/* PQ PDF - PDF Tools Main Styles */
/* CSP Compliant: No inline styles */

/* ===== CSS Variables ===== */
:root {
    --pdf-primary:       #ff8c00;
    --pdf-primary-dark:  #cc7000;
    --pdf-primary-light: #ffaa44;
    --pdf-secondary:     #ffd700;
    --pdf-accent:        #ff6b35;
    --pdf-accent-dark:   #cc4a15;

    --pdf-bg-deep:       #040810;
    --pdf-bg-card:       #0c1525;
    --pdf-bg-card-hover: #121e35;
    --pdf-bg-panel:      #0a1428;
    --pdf-bg-input:      #0e1a2e;

    --pdf-text:          #f0e6d3;
    --pdf-text-dim:      #a89070;
    --pdf-text-muted:    #5a4a38;

    --pdf-border:        #1a2840;
    --pdf-border-hover:  #2a3c58;
    --pdf-border-amber:  rgba(255, 140, 0, 0.3);

    --pdf-green:         #00e676;
    --pdf-green-glow:    rgba(0, 230, 118, 0.3);
    --pdf-red:           #ff1744;
    --pdf-red-glow:      rgba(255, 23, 68, 0.3);
    --pdf-amber:         #ff8c00;
    --pdf-amber-glow:    rgba(255, 140, 0, 0.25);
    --pdf-gold:          #ffd700;
    --pdf-gold-glow:     rgba(255, 215, 0, 0.25);

    --pdf-transition:    0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --pdf-shadow:        0 4px 24px rgba(0, 0, 0, 0.5);
    --pdf-shadow-amber:  0 0 20px rgba(255, 140, 0, 0.25);
    --pdf-radius:        12px;
    --pdf-radius-sm:     8px;
    --pdf-radius-lg:     16px;
}

/* ===== Reset ===== */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* Ensure [hidden] is always respected even when a class sets display */
[hidden] { display: none !important; }

html, body {
    background: transparent;
    min-height: 100%;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    color: var(--pdf-text);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* ===== Custom Scrollbar ===== */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track {
    background: linear-gradient(180deg, #040810 0%, #0a1428 100%);
    border-radius: 5px;
}
::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, var(--pdf-primary) 0%, var(--pdf-secondary) 100%);
    border-radius: 5px;
    border: 2px solid rgba(0,0,0,0.3);
    box-shadow: 0 0 8px rgba(255,140,0,0.4);
}
::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(180deg, var(--pdf-secondary) 0%, var(--pdf-primary-light) 100%);
    box-shadow: 0 0 14px rgba(255,140,0,0.6);
}
* { scrollbar-width: thin; scrollbar-color: var(--pdf-primary) #040810; }

/* ===== Content z-index layering ===== */
.pdf-main {
    position: relative;
    z-index: 10;
    flex: 1;
}

.pdf-content-wrapper {
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem 1.5rem 2rem;
}

/* ===== Header ===== */
.pdf-header {
    background:
        linear-gradient(135deg, #060c16 0%, #0c1628 30%, #10182e 60%, #080e1c 100%);
    padding: 1.75rem 1rem;
    box-shadow:
        0 4px 32px rgba(255, 140, 0, 0.12),
        inset 0 -1px 0 rgba(255, 140, 0, 0.1);
    border-bottom: 3px solid transparent;
    border-image: linear-gradient(90deg, transparent, var(--pdf-primary), var(--pdf-secondary), var(--pdf-primary), transparent) 1;
    position: relative;
    z-index: 50;
    overflow: hidden;
}

.pdf-header::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg,
        transparent 0%,
        rgba(255,140,0,0.4) 20%,
        rgba(255,215,0,0.8) 50%,
        rgba(255,140,0,0.4) 80%,
        transparent 100%);
    animation: pdf-shimmer 3s ease-in-out infinite;
}

.pdf-header-tool {
    padding: 1.25rem 1rem;
}

.pdf-header-inner {
    max-width: 1400px;
    margin: 0 auto;
}

.pdf-header-content {
    display: flex;
    align-items: flex-start;
    gap: 1.25rem;
}

.pdf-logo-link {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    text-decoration: none;
}

.pdf-logo-image {
    width: 52px;
    height: 52px;
    border-radius: 10px;
    border: 2px solid rgba(255,140,0,0.3);
    box-shadow: 0 0 12px rgba(255,140,0,0.2);
    object-fit: cover;
    transition: border-color var(--pdf-transition), box-shadow var(--pdf-transition);
}

.pdf-logo-image:hover {
    border-color: rgba(255,215,0,0.6);
    box-shadow: 0 0 20px rgba(255,140,0,0.4);
}

.pdf-logo-tagline {
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
    margin-left: 0.65rem;
}

.pdf-logo-tagline-name {
    font-size: 0.78rem;
    font-weight: 700;
    color: var(--pdf-primary);
    letter-spacing: 0.02em;
    line-height: 1.2;
}

.pdf-logo-tagline-sub {
    font-size: 0.67rem;
    color: var(--pdf-text-muted);
    line-height: 1.3;
    max-width: 180px;
}

.pdf-no-ads-row {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    gap: 0.75rem;
    margin-top: 0.45rem;
    flex-wrap: wrap;
}

.pdf-no-ads-line {
    font-size: 0.7rem;
    color: var(--pdf-text-muted);
    letter-spacing: 0.01em;
    white-space: nowrap;
}

.pdf-tool-switcher {
    flex-shrink: 0;
}

.pdf-tool-nav-select {
    background: var(--pdf-bg-input);
    color: var(--pdf-text);
    border: 1px solid var(--pdf-border-amber);
    border-radius: 6px;
    padding: 0.3rem 2rem 0.3rem 0.65rem;
    font-size: 0.72rem;
    font-family: inherit;
    cursor: pointer;
    appearance: none;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'%3E%3Cpath d='M0 0l5 6 5-6z' fill='%23ff8c00'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.55rem center;
    max-width: 200px;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.pdf-tool-nav-select:hover,
.pdf-tool-nav-select:focus {
    border-color: var(--pdf-primary);
    box-shadow: 0 0 0 2px var(--pdf-amber-glow);
    outline: none;
}

.pdf-tool-nav-select option,
.pdf-tool-nav-select optgroup {
    background: var(--pdf-bg-card);
    color: var(--pdf-text);
}

.pdf-visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0,0,0,0);
    white-space: nowrap;
    border: 0;
}

.pdf-title-block {
    flex: 1;
}

.pdf-page-title {
    font-size: clamp(1.25rem, 2.5vw, 1.9rem);
    font-weight: 800;
    background: linear-gradient(135deg, var(--pdf-secondary) 0%, var(--pdf-primary) 50%, var(--pdf-accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.02em;
    margin-bottom: 0.35rem;
    line-height: 1.25;
}

.pdf-hero-subline {
    font-size: 0.92rem;
    color: var(--pdf-text);
    font-weight: 500;
    margin-bottom: 0.75rem;
    opacity: 0.85;
    letter-spacing: 0.01em;
}

.pdf-page-subtitle {
    font-size: 0.875rem;
    color: var(--pdf-text-dim);
    margin-bottom: 0.75rem;
    max-width: 600px;
}

.pdf-badge-container {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    align-items: center;
}

.pdf-header-badge {
    display: inline-flex;
    align-items: center;
    padding: 0.2rem 0.65rem;
    border-radius: 20px;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    border: 1px solid;
}

.pdf-header-badge-amber {
    background: rgba(255,140,0,0.12);
    color: var(--pdf-primary);
    border-color: rgba(255,140,0,0.3);
}
.pdf-header-badge-gold {
    background: rgba(255,215,0,0.1);
    color: var(--pdf-secondary);
    border-color: rgba(255,215,0,0.25);
}
.pdf-header-badge-orange {
    background: rgba(255,107,53,0.12);
    color: var(--pdf-accent);
    border-color: rgba(255,107,53,0.3);
}
.pdf-header-badge-green {
    background: rgba(0,230,118,0.1);
    color: var(--pdf-green);
    border-color: rgba(0,230,118,0.25);
}

/* ===== Breadcrumb ===== */
.pdf-breadcrumb {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.8rem;
    margin-bottom: 0.4rem;
    color: var(--pdf-text-dim);
}

.pdf-breadcrumb-item {
    color: var(--pdf-text-dim);
    text-decoration: none;
    transition: color var(--pdf-transition);
}

.pdf-breadcrumb-item:hover {
    color: var(--pdf-primary);
}

.pdf-breadcrumb-current {
    color: var(--pdf-primary);
}

.pdf-breadcrumb-sep {
    color: var(--pdf-text-muted);
    font-size: 1rem;
}

/* ===== Stats Tagline ===== */
.pdf-stats-tagline {
    font-size: 0.8rem;
    color: var(--pdf-text-dim);
    text-align: center;
    margin-bottom: 1rem;
    font-style: italic;
    letter-spacing: 0.01em;
}

/* ===== Stats Bar ===== */
.pdf-stats-bar {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
    margin-bottom: 2.5rem;
    background: var(--pdf-bg-card);
    border: 1px solid var(--pdf-border);
    border-radius: var(--pdf-radius);
    padding: 1.25rem 1.5rem;
    box-shadow: var(--pdf-shadow);
}

.pdf-stat-item {
    text-align: center;
    padding: 0.5rem;
    border-right: 1px solid var(--pdf-border);
}

.pdf-stat-item:last-child {
    border-right: none;
}

.pdf-stat-value {
    font-size: 1.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--pdf-secondary), var(--pdf-primary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.2;
    margin-bottom: 0.25rem;
}

.pdf-stat-label {
    font-size: 0.7rem;
    color: var(--pdf-text-dim);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    font-weight: 600;
}

.pdf-stats-note {
    text-align: center;
    font-size: 0.75rem;
    color: var(--pdf-text-muted);
    margin-top: 0.75rem;
    margin-bottom: 1.75rem;
    letter-spacing: 0.02em;
}

/* ===== Section Headings ===== */
.pdf-section-title {
    font-size: clamp(1.25rem, 2.5vw, 1.75rem);
    font-weight: 700;
    color: var(--pdf-text);
    margin-bottom: 0.6rem;
    position: relative;
    padding-left: 1rem;
}

.pdf-section-title::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 70%;
    background: linear-gradient(180deg, var(--pdf-secondary), var(--pdf-primary));
    border-radius: 2px;
}

.pdf-section-subtitle {
    color: var(--pdf-text-dim);
    font-size: 0.9rem;
    margin-bottom: 1.75rem;
    padding-left: 1rem;
    max-width: 720px;
}

/* ===== Tools Section ===== */
.pdf-tools-section {
    margin-top: 2.5rem;
    padding-top: 2rem;
    border-top: 1px solid var(--pdf-border);
    margin-bottom: 3rem;
}

/* ===== Tool Grid ===== */
.pdf-tool-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.75rem;
}

/* ===== Tool Cards ===== */
.pdf-tool-card {
    background: var(--pdf-bg-card);
    border: 1px solid var(--pdf-border);
    border-radius: var(--pdf-radius);
    text-decoration: none;
    color: var(--pdf-text);
    display: block;
    transition:
        transform var(--pdf-transition),
        border-color var(--pdf-transition),
        box-shadow var(--pdf-transition),
        background var(--pdf-transition);
    position: relative;
    overflow: hidden;
}

.pdf-tool-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--pdf-primary), var(--pdf-secondary));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--pdf-transition);
    z-index: 2;
}

/* Diagonal shimmer sweep on hover */
.pdf-tool-card::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(
        112deg,
        transparent 28%,
        rgba(255,255,255,0.055) 50%,
        transparent 72%
    );
    transform: translateX(-120%);
    pointer-events: none;
    z-index: 1;
    will-change: transform;
}

.pdf-tool-card:hover::after {
    transition: transform 0.65s ease;
    transform: translateX(120%);
}

.pdf-tool-card:hover,
.pdf-tool-card-hover {
    transform: translateY(-5px);
    border-color: var(--pdf-border-amber);
    box-shadow:
        0 4px 24px rgba(0,0,0,0.55),
        0 0 18px rgba(255,140,0,0.15),
        0 24px 40px -8px rgba(255,140,0,0.10);
    background: var(--pdf-bg-card-hover);
}

.pdf-tool-card:active {
    transform: translateY(-1px) scale(0.99);
    transition-duration: 0.08s;
}

.pdf-tool-card:hover::before {
    transform: scaleX(1);
}

/* Color-specific glow spills */
.pdf-tool-card-amber:hover {
    border-color: rgba(255,140,0,0.45);
    box-shadow:
        0 4px 24px rgba(0,0,0,0.55),
        0 0 22px rgba(255,140,0,0.22),
        0 22px 42px -8px rgba(255,140,0,0.16);
}
.pdf-tool-card-gold:hover {
    border-color: rgba(255,215,0,0.40);
    box-shadow:
        0 4px 24px rgba(0,0,0,0.55),
        0 0 22px rgba(255,215,0,0.18),
        0 22px 42px -8px rgba(255,215,0,0.13);
}
.pdf-tool-card-orange:hover {
    border-color: rgba(255,107,53,0.42);
    box-shadow:
        0 4px 24px rgba(0,0,0,0.55),
        0 0 22px rgba(255,107,53,0.20),
        0 22px 42px -8px rgba(255,107,53,0.14);
}

/* Protect PDF card — teal/shield accents */
.pdf-tool-card-protect .pdf-tool-icon-wrap {
    background: rgba(20,184,166,0.09);
    border-color: rgba(20,184,166,0.22);
}
.pdf-tool-card-protect .pdf-tool-icon {
    filter:
        drop-shadow(0 1px 0 rgba(0,0,0,0.85))
        drop-shadow(0 2px 0 rgba(0,0,0,0.60))
        drop-shadow(0 3px 0 rgba(0,0,0,0.35))
        drop-shadow(0 5px 10px rgba(20,184,166,0.40));
}
.pdf-tool-card-protect .pdf-tool-badge {
    background: rgba(20,184,166,0.13);
    color: #4dd9c8;
    border-color: rgba(20,184,166,0.30);
}
.pdf-tool-card-protect:hover {
    border-color: rgba(20,184,166,0.42);
    box-shadow:
        0 4px 24px rgba(0,0,0,0.58),
        0 0 22px rgba(20,184,166,0.20),
        0 22px 42px -8px rgba(20,184,166,0.14);
}
.pdf-tool-card-protect:hover .pdf-tool-icon-wrap {
    background: rgba(20,184,166,0.16);
    border-color: rgba(20,184,166,0.38);
    box-shadow: 0 0 14px rgba(20,184,166,0.22);
}
.pdf-tool-card-protect:hover .pdf-tool-icon {
    filter:
        drop-shadow(0 2px 0 rgba(0,0,0,0.90))
        drop-shadow(0 4px 0 rgba(0,0,0,0.65))
        drop-shadow(0 6px 0 rgba(0,0,0,0.35))
        drop-shadow(0 10px 18px rgba(20,220,200,0.50));
}

/* Redact PDF card — steel/slate accents */
.pdf-tool-card-redact .pdf-tool-icon-wrap {
    background: rgba(80,110,130,0.10);
    border-color: rgba(80,110,130,0.24);
}
.pdf-tool-card-redact .pdf-tool-icon {
    filter:
        drop-shadow(0 1px 0 rgba(0,0,0,0.85))
        drop-shadow(0 2px 0 rgba(0,0,0,0.60))
        drop-shadow(0 3px 0 rgba(0,0,0,0.35))
        drop-shadow(0 5px 10px rgba(80,110,130,0.50));
}
.pdf-tool-card-redact .pdf-tool-badge {
    background: rgba(80,110,130,0.14);
    color: #8eb4cc;
    border-color: rgba(80,110,130,0.32);
}
.pdf-tool-card-redact:hover {
    border-color: rgba(80,110,130,0.44);
    box-shadow:
        0 4px 24px rgba(0,0,0,0.60),
        0 0 22px rgba(80,110,130,0.22),
        0 22px 42px -8px rgba(80,110,130,0.16);
}
.pdf-tool-card-redact:hover .pdf-tool-icon-wrap {
    background: rgba(80,110,130,0.18);
    border-color: rgba(80,110,130,0.40);
    box-shadow: 0 0 14px rgba(80,110,130,0.26);
}
.pdf-tool-card-redact:hover .pdf-tool-icon {
    filter:
        drop-shadow(0 2px 0 rgba(0,0,0,0.90))
        drop-shadow(0 4px 0 rgba(0,0,0,0.65))
        drop-shadow(0 6px 0 rgba(0,0,0,0.35))
        drop-shadow(0 10px 18px rgba(100,140,165,0.55));
}

/* Threat Scanner card — crimson accents */
.pdf-tool-card-threat .pdf-tool-icon-wrap {
    background: rgba(200,40,40,0.09);
    border-color: rgba(200,40,40,0.22);
}
.pdf-tool-card-threat .pdf-tool-icon {
    filter:
        drop-shadow(0 1px 0 rgba(0,0,0,0.85))
        drop-shadow(0 2px 0 rgba(0,0,0,0.60))
        drop-shadow(0 3px 0 rgba(0,0,0,0.35))
        drop-shadow(0 5px 10px rgba(200,40,40,0.45));
}
.pdf-tool-card-threat .pdf-tool-badge {
    background: rgba(200,40,40,0.13);
    color: #e87070;
    border-color: rgba(200,40,40,0.30);
}
.pdf-tool-card-threat:hover {
    border-color: rgba(200,40,40,0.45);
    box-shadow:
        0 4px 24px rgba(0,0,0,0.58),
        0 0 22px rgba(200,40,40,0.22),
        0 22px 42px -8px rgba(200,40,40,0.16);
}
.pdf-tool-card-threat:hover .pdf-tool-icon-wrap {
    background: rgba(200,40,40,0.16);
    border-color: rgba(200,40,40,0.40);
    box-shadow: 0 0 14px rgba(200,40,40,0.25);
}
.pdf-tool-card-threat:hover .pdf-tool-icon {
    filter:
        drop-shadow(0 2px 0 rgba(0,0,0,0.90))
        drop-shadow(0 4px 0 rgba(0,0,0,0.65))
        drop-shadow(0 6px 0 rgba(0,0,0,0.35))
        drop-shadow(0 10px 18px rgba(220,60,60,0.55));
}

.pdf-tool-group {
    margin-bottom: 2.25rem;
}
.pdf-tool-group-title {
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--pdf-text-dim);
    border-bottom: 1px solid var(--pdf-border);
    padding-bottom: 0.5rem;
    margin-bottom: 0.85rem;
}

.pdf-tool-card-inner {
    padding: 0.85rem 1rem;
    display: flex;
    flex-direction: row;
    align-items: flex-start;
    gap: 0.75rem;
    height: 100%;
}

.pdf-tool-icon-wrap {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    background: rgba(255,140,0,0.08);
    border: 1px solid rgba(255,140,0,0.15);
    border-radius: var(--pdf-radius-sm);
    flex-shrink: 0;
    transition: background var(--pdf-transition), border-color var(--pdf-transition), box-shadow var(--pdf-transition);
}

.pdf-tool-card:hover .pdf-tool-icon-wrap {
    background: rgba(255,140,0,0.15);
    border-color: rgba(255,140,0,0.35);
    box-shadow: 0 0 12px rgba(255,140,0,0.2);
}

.pdf-tool-icon {
    font-size: 1.25rem;
    line-height: 1;
    display: inline-block;
    filter:
        drop-shadow(0 1px 0 rgba(0,0,0,0.85))
        drop-shadow(0 2px 0 rgba(0,0,0,0.60))
        drop-shadow(0 3px 0 rgba(0,0,0,0.35))
        drop-shadow(0 5px 10px rgba(255,140,0,0.40));
    transition: transform 0.22s ease, filter 0.22s ease;
}

.pdf-tool-card:hover .pdf-tool-icon {
    transform: translateY(-3px) scale(1.18);
    filter:
        drop-shadow(0 2px 0 rgba(0,0,0,0.90))
        drop-shadow(0 4px 0 rgba(0,0,0,0.65))
        drop-shadow(0 6px 0 rgba(0,0,0,0.35))
        drop-shadow(0 10px 18px rgba(255,180,0,0.55));
}

/* ===== Tool page title emoji — 3D colorful ===== */
.pdf-title-emoji {
    display: inline-block;
    font-size: 1.05em;
    /* break out of parent's gradient clip so emoji shows its native colour */
    -webkit-text-fill-color: initial;
    background: none;
    -webkit-background-clip: unset;
    background-clip: unset;
    filter:
        drop-shadow(0 1px 0 rgba(0,0,0,0.90))
        drop-shadow(0 2px 0 rgba(0,0,0,0.70))
        drop-shadow(0 3px 0 rgba(0,0,0,0.50))
        drop-shadow(0 4px 0 rgba(0,0,0,0.25))
        drop-shadow(0 7px 16px rgba(255,140,0,0.50));
    transform: translateY(-1px);
    transition: transform 0.22s ease, filter 0.22s ease;
    margin-right: 0.05em;
    vertical-align: middle;
}

.pdf-page-title:hover .pdf-title-emoji {
    transform: translateY(-4px) scale(1.12);
    filter:
        drop-shadow(0 2px 0 rgba(0,0,0,0.95))
        drop-shadow(0 4px 0 rgba(0,0,0,0.70))
        drop-shadow(0 6px 0 rgba(0,0,0,0.40))
        drop-shadow(0 8px 0 rgba(0,0,0,0.15))
        drop-shadow(0 12px 22px rgba(255,180,0,0.65));
}

.pdf-tool-body {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
    min-width: 0;
}

.pdf-tool-header-row {
    display: flex;
    align-items: center;
    gap: 0.45rem;
    flex-wrap: wrap;
}

.pdf-tool-title {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--pdf-text);
    line-height: 1.3;
}

.pdf-tool-badge {
    display: inline-block;
    padding: 0.15rem 0.55rem;
    border-radius: 12px;
    font-size: 0.65rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    background: rgba(255,140,0,0.12);
    color: var(--pdf-primary);
    border: 1px solid rgba(255,140,0,0.25);
    white-space: nowrap;
    flex-shrink: 0;
}

.pdf-tool-desc {
    font-size: 0.775rem;
    color: var(--pdf-text-dim);
    line-height: 1.45;
}

.pdf-tool-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem;
    margin-top: auto;
}

.pdf-tool-tag {
    display: inline-block;
    padding: 0.12rem 0.45rem;
    border-radius: 8px;
    font-size: 0.65rem;
    color: var(--pdf-text-muted);
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.06);
}

.pdf-tool-arrow { display: none; }

/* hidden state for search filter */
.pdf-tool-hidden { display: none !important; }

/* ===== Privacy Section ===== */
.pdf-privacy-section {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.25rem;
    margin-bottom: 3rem;
}

.pdf-privacy-card {
    background: var(--pdf-bg-card);
    border: 1px solid var(--pdf-border);
    border-radius: var(--pdf-radius);
    padding: 1.5rem;
    display: flex;
    gap: 1rem;
    align-items: flex-start;
    transition: border-color var(--pdf-transition), box-shadow var(--pdf-transition);
}

.pdf-privacy-card:hover {
    border-color: var(--pdf-border-amber);
    box-shadow: var(--pdf-shadow-amber);
}

.pdf-privacy-icon {
    font-size: 1.75rem;
    flex-shrink: 0;
    line-height: 1;
}

.pdf-privacy-title {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--pdf-primary);
    margin-bottom: 0.4rem;
}

.pdf-privacy-desc {
    font-size: 0.8rem;
    color: var(--pdf-text-dim);
    line-height: 1.55;
}

/* ===== Tech Section ===== */
.pdf-tech-section {
    margin-bottom: 3rem;
}

.pdf-tech-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.25rem;
    margin-top: 1.5rem;
}

.pdf-tech-card {
    background: var(--pdf-bg-card);
    border: 1px solid var(--pdf-border);
    border-radius: var(--pdf-radius);
    padding: 1.5rem;
    transition: border-color var(--pdf-transition), box-shadow var(--pdf-transition);
}

.pdf-tech-card:hover {
    border-color: var(--pdf-border-amber);
    box-shadow: var(--pdf-shadow-amber);
}

.pdf-tech-icon { font-size: 2rem; margin-bottom: 0.75rem; }

.pdf-tech-title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--pdf-secondary);
    margin-bottom: 0.5rem;
}

.pdf-tech-desc {
    font-size: 0.8rem;
    color: var(--pdf-text-dim);
    line-height: 1.55;
    margin-bottom: 1rem;
}

.pdf-tech-ops {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
}

.pdf-tech-op {
    display: inline-block;
    padding: 0.2rem 0.55rem;
    border-radius: 10px;
    font-size: 0.68rem;
    font-weight: 600;
    color: var(--pdf-primary);
    background: rgba(255,140,0,0.08);
    border: 1px solid rgba(255,140,0,0.2);
}

/* ===== Tool Page Layout ===== */
.pdf-tool-page {
    max-width: 800px;
    margin: 0 auto;
}

/* Editor page breaks out of the narrow tool-page constraint */
.pdf-tool-page-wide {
    max-width: min(72vw, 1050px);
}

.pdf-tool-card-main {
    background: var(--pdf-bg-card);
    border: 1px solid var(--pdf-border);
    border-radius: var(--pdf-radius-lg);
    padding: 2rem;
    margin-bottom: 1.5rem;
    box-shadow: var(--pdf-shadow);
}

/* ===== Upload Zone ===== */
.pdf-upload-zone {
    border: 2px dashed rgba(255,140,0,0.3);
    border-radius: var(--pdf-radius);
    padding: 2.5rem;
    text-align: center;
    cursor: pointer;
    transition:
        border-color var(--pdf-transition),
        background var(--pdf-transition),
        box-shadow var(--pdf-transition);
    position: relative;
    background: rgba(255,140,0,0.02);
    margin-bottom: 1rem;
}

.pdf-upload-zone:hover,
.pdf-upload-zone-active {
    border-color: rgba(255,140,0,0.65);
    background: rgba(255,140,0,0.06);
    box-shadow: inset 0 0 20px rgba(255,140,0,0.05), 0 0 20px rgba(255,140,0,0.08);
}

.pdf-upload-zone-active {
    border-style: solid;
}

.pdf-upload-icon {
    font-size: 2.5rem;
    margin-bottom: 0.75rem;
    display: block;
    opacity: 0.7;
}

.pdf-upload-text {
    font-size: 1rem;
    font-weight: 600;
    color: var(--pdf-text);
    margin-bottom: 0.4rem;
}

.pdf-upload-hint {
    font-size: 0.8rem;
    color: var(--pdf-text-dim);
}

/* hidden file input */
.pdf-file-input-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    opacity: 0;
    overflow: hidden;
    pointer-events: none;
}

/* ===== File List ===== */
.pdf-file-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.pdf-file-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.65rem 0.85rem;
    background: var(--pdf-bg-panel);
    border: 1px solid var(--pdf-border);
    border-radius: var(--pdf-radius-sm);
    transition: border-color var(--pdf-transition);
}

.pdf-file-item:hover {
    border-color: rgba(255,140,0,0.2);
}

.pdf-file-drag-handle {
    color: var(--pdf-text-muted);
    font-size: 1rem;
    cursor: grab;
    flex-shrink: 0;
}

.pdf-file-icon {
    font-size: 1.2rem;
    flex-shrink: 0;
}

.pdf-file-name {
    flex: 1;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--pdf-text);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.pdf-file-size {
    font-size: 0.75rem;
    color: var(--pdf-text-dim);
    flex-shrink: 0;
}

.pdf-file-remove {
    background: none;
    border: 1px solid rgba(255,23,68,0.2);
    color: rgba(255,23,68,0.5);
    border-radius: 50%;
    width: 22px;
    height: 22px;
    font-size: 0.9rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: background var(--pdf-transition), color var(--pdf-transition), border-color var(--pdf-transition);
    line-height: 1;
}

.pdf-file-remove:hover {
    background: rgba(255,23,68,0.12);
    color: var(--pdf-red);
    border-color: rgba(255,23,68,0.45);
}

/* Spacing utilities */
.pdf-mt   { margin-top: 1.25rem; }
.pdf-mt-sm { margin-top: 0.6rem; }
.pdf-mb   { margin-bottom: 1.25rem; }
.pdf-mb-sm { margin-bottom: 0.6rem; }

/* Small section label inside options panel */
.pdf-subsection-label {
    font-size: 0.7rem;
    font-weight: 700;
    color: var(--pdf-text-dim);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 0.5rem;
}

/* ===== Options Panel ===== */
.pdf-options-panel {
    background: var(--pdf-bg-panel);
    border: 1px solid var(--pdf-border);
    border-radius: var(--pdf-radius);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}

.pdf-options-title {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--pdf-primary);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-bottom: 1.25rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.pdf-options-title:not(:first-child) {
    margin-top: 1.5rem;
}

.pdf-options-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

.pdf-options-grid-1 {
    grid-template-columns: 1fr;
}

/* ===== Form Controls ===== */
.pdf-form-group {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

/* Inline row — stacks form groups side by side */
.pdf-form-row {
    display: flex;
    flex-direction: row;
    gap: 1.25rem;
    align-items: flex-start;
    flex-wrap: wrap;
}

.pdf-form-row .pdf-form-group {
    flex: 1 1 0;
    min-width: 7rem;
}

.pdf-label {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--pdf-text-dim);
    letter-spacing: 0.02em;
}

.pdf-label-required {
    color: #ff6b6b;
    font-weight: 700;
}

.pdf-input,
.pdf-select,
.pdf-textarea {
    background: var(--pdf-bg-input);
    border: 1px solid var(--pdf-border);
    border-radius: var(--pdf-radius-sm);
    color: var(--pdf-text);
    font-size: 0.9rem;
    font-family: inherit;
    padding: 0.6rem 0.85rem;
    width: 100%;
    transition: border-color var(--pdf-transition), box-shadow var(--pdf-transition);
    -webkit-appearance: none;
    appearance: none;
}

.pdf-input:focus,
.pdf-select:focus,
.pdf-textarea:focus {
    outline: none;
    border-color: rgba(255,140,0,0.55);
    box-shadow: 0 0 0 3px rgba(255,140,0,0.1);
}

.pdf-input::placeholder,
.pdf-textarea::placeholder {
    color: var(--pdf-text-muted);
}

.pdf-input-sm { width: auto; max-width: 120px; }

/* Color picker — override text-input styles so the swatch renders correctly */
.pdf-input-color {
    width: 3rem;
    height: 2.6rem;
    padding: 0.2rem;
    cursor: pointer;
    -webkit-appearance: auto;
    appearance: auto;
    background: none;
    border-radius: var(--pdf-radius-sm);
}

.pdf-input-color::-webkit-color-swatch-wrapper {
    padding: 0;
    border-radius: calc(var(--pdf-radius-sm) - 2px);
}

.pdf-input-color::-webkit-color-swatch {
    border: none;
    border-radius: calc(var(--pdf-radius-sm) - 2px);
}

.pdf-input-color::-moz-color-swatch {
    border: none;
    border-radius: calc(var(--pdf-radius-sm) - 2px);
}

.pdf-select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%23a89070' d='M6 8L0 0h12z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.8rem center;
    padding-right: 2.2rem;
}

.pdf-textarea {
    resize: vertical;
    min-height: 80px;
}

/* Range input */
.pdf-range-group {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.pdf-range-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.pdf-range-value {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--pdf-primary);
    min-width: 2.5rem;
    text-align: right;
}

.pdf-range {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 6px;
    background: linear-gradient(90deg, var(--pdf-primary) var(--range-pct, 50%), var(--pdf-border) var(--range-pct, 50%));
    border-radius: 3px;
    outline: none;
    cursor: pointer;
}

.pdf-range::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--pdf-primary);
    border: 2px solid var(--pdf-bg-deep);
    box-shadow: 0 0 8px rgba(255,140,0,0.5);
    cursor: pointer;
    transition: box-shadow var(--pdf-transition);
}

.pdf-range::-webkit-slider-thumb:hover {
    box-shadow: 0 0 14px rgba(255,140,0,0.75);
}

.pdf-range::-moz-range-thumb {
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--pdf-primary);
    border: 2px solid var(--pdf-bg-deep);
    cursor: pointer;
}

/* Checkboxes and radios */
.pdf-radio-group,
.pdf-checkbox-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.pdf-radio-group-inline {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 0.75rem 1.5rem;
}

.pdf-radio-label,
.pdf-checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    font-size: 0.85rem;
    color: var(--pdf-text);
    cursor: pointer;
    user-select: none;
}

.pdf-radio-label input[type="radio"],
.pdf-checkbox-label input[type="checkbox"] {
    width: 16px;
    height: 16px;
    accent-color: var(--pdf-primary);
    cursor: pointer;
    flex-shrink: 0;
}

/* Color input */
.pdf-color-input {
    width: 48px;
    height: 32px;
    padding: 2px;
    border: 1px solid var(--pdf-border);
    border-radius: var(--pdf-radius-sm);
    background: var(--pdf-bg-input);
    cursor: pointer;
    -webkit-appearance: none;
    appearance: none;
}

.pdf-color-input::-webkit-color-swatch-wrapper { padding: 2px; }
.pdf-color-input::-webkit-color-swatch { border-radius: 4px; border: none; }

/* ===== Buttons ===== */
.pdf-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.7rem 1.5rem;
    border-radius: var(--pdf-radius-sm);
    font-size: 0.9rem;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    border: 1px solid;
    transition:
        background var(--pdf-transition),
        border-color var(--pdf-transition),
        box-shadow var(--pdf-transition),
        transform 0.1s ease;
    text-decoration: none;
    white-space: nowrap;
    -webkit-appearance: none;
    appearance: none;
}

.pdf-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none !important;
}

.pdf-btn:active:not(:disabled) {
    transform: translateY(1px);
}

.pdf-btn-primary {
    background: linear-gradient(135deg, var(--pdf-primary), var(--pdf-accent));
    color: #fff;
    border-color: var(--pdf-primary);
    box-shadow: 0 2px 12px rgba(255,140,0,0.3);
}

.pdf-btn-primary:hover:not(:disabled) {
    background: linear-gradient(135deg, var(--pdf-primary-light), var(--pdf-primary));
    box-shadow: 0 4px 20px rgba(255,140,0,0.5);
}

.pdf-btn-secondary {
    background: rgba(255,140,0,0.06);
    color: var(--pdf-primary);
    border-color: rgba(255,140,0,0.25);
}

.pdf-btn-secondary:hover:not(:disabled) {
    background: rgba(255,140,0,0.12);
    border-color: rgba(255,140,0,0.5);
}

.pdf-btn-danger {
    background: rgba(255,23,68,0.08);
    color: var(--pdf-red);
    border-color: rgba(255,23,68,0.25);
}

.pdf-btn-danger:hover:not(:disabled) {
    background: rgba(255,23,68,0.15);
    border-color: rgba(255,23,68,0.5);
}

.pdf-btn-ghost {
    background: transparent;
    color: var(--pdf-text-dim);
    border-color: var(--pdf-border);
}

.pdf-btn-ghost:hover:not(:disabled) {
    color: var(--pdf-text);
    border-color: var(--pdf-border-hover);
    background: rgba(255,255,255,0.03);
}

.pdf-btn-full { width: 100%; }
.pdf-btn-lg { padding: 0.9rem 2rem; font-size: 1rem; }
.pdf-btn-sm { padding: 0.45rem 1rem; font-size: 0.8rem; }

/* Submit row: ensures top spacing above primary action buttons */
[id$="-submit-row"] {
    margin-top: 1.25rem;
}

/* Tool options button bar (image-to-pdf multi-button row) */
.pdf-tool-options {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-top: 1.25rem;
    margin-bottom: 1.25rem;
}

/* ===== Progress Bar ===== */
.pdf-progress {
    margin: 1rem 0;
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.pdf-hidden { display: none !important; }

.pdf-progress-track {
    height: 8px;
    background: rgba(255,255,255,0.06);
    border-radius: 4px;
    overflow: hidden;
}

.pdf-progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--pdf-primary), var(--pdf-secondary));
    border-radius: 4px;
    width: 0%;
    transition: width 0.25s ease;
    box-shadow: 0 0 8px rgba(255,140,0,0.4);
    position: relative;
    overflow: hidden;
}

/* CSS-driven creep + moving stripes during server-side processing */
.pdf-progress-bar-busy {
    /* JS drives width; CSS only adds marching stripes overlay */
    transition: width 0.6s ease;
    animation: pdf-stripes-march 0.45s linear infinite;
}

.pdf-progress-bar-busy::after {
    content: '';
    position: absolute;
    inset: 0;
    background-image: repeating-linear-gradient(
        45deg,
        rgba(255,255,255,0.14) 0px,
        rgba(255,255,255,0.14) 8px,
        transparent            8px,
        transparent            18px
    );
    background-size: 25px 100%;
    animation: pdf-stripes-march 0.45s linear infinite;
}

@keyframes pdf-progress-creep {
    from { width: var(--pdf-creep-from, 0%); }
    to   { width: 88%; }
}

@keyframes pdf-stripes-march {
    from { background-position: 0 0; }
    to   { background-position: 25px 0; }
}

.pdf-progress-text {
    font-size: 0.75rem;
    color: var(--pdf-text-dim);
    text-align: right;
    visibility: hidden;
}
.pdf-progress-text.active {
    visibility: visible;
}

/* ===== Result Panel ===== */
.pdf-result {
    border-radius: var(--pdf-radius);
    padding: 1.25rem 1.5rem;
    margin-top: 1.25rem;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    border: 1px solid;
}

.pdf-result-hidden { display: none; }

.pdf-result-success {
    background: rgba(0,230,118,0.07);
    border-color: rgba(0,230,118,0.25);
}

.pdf-result-error {
    background: rgba(255,23,68,0.07);
    border-color: rgba(255,23,68,0.25);
}

.pdf-result-info {
    background: rgba(255,140,0,0.06);
    border-color: rgba(255,140,0,0.2);
}

.pdf-result-icon {
    font-size: 1.5rem;
    flex-shrink: 0;
    line-height: 1;
}

.pdf-result-body { flex: 1; }

.pdf-result-title {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--pdf-text);
    margin-bottom: 0.3rem;
}

.pdf-result-msg {
    font-size: 0.82rem;
    color: var(--pdf-text-dim);
    line-height: 1.5;
    white-space: pre-wrap;
}

.pdf-result-actions {
    margin-top: 0.85rem;
    display: flex;
    gap: 0.6rem;
    flex-wrap: wrap;
}

/* ===== Download Button ===== */
.pdf-download-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.65rem 1.35rem;
    background: linear-gradient(135deg, var(--pdf-primary), var(--pdf-accent));
    color: #fff;
    border-radius: var(--pdf-radius-sm);
    text-decoration: none;
    font-size: 0.88rem;
    font-weight: 700;
    border: none;
    cursor: pointer;
    transition: box-shadow var(--pdf-transition);
    font-family: inherit;
    box-shadow: 0 2px 12px rgba(255,140,0,0.35);
}

.pdf-download-btn:hover {
    box-shadow: 0 4px 20px rgba(255,140,0,0.55);
}

/* ===== Info Cards ===== */
.pdf-info-card {
    background: rgba(255,140,0,0.05);
    border: 1px solid rgba(255,140,0,0.15);
    border-radius: var(--pdf-radius);
    padding: 1rem 1.25rem;
    margin-bottom: 1rem;
    display: flex;
    align-items: flex-start;
    gap: 0.85rem;
}

.pdf-info-card-blue {
    background: rgba(0,180,255,0.05);
    border-color: rgba(0,180,255,0.15);
}

.pdf-info-card-red {
    background: rgba(255,23,68,0.05);
    border-color: rgba(255,23,68,0.15);
}

.pdf-info-card-warn {
    background: rgba(255,180,0,0.06);
    border-color: rgba(255,180,0,0.25);
}

/* ===== Checkbox ===== */
.pdf-checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    cursor: pointer;
    font-size: 0.9rem;
    color: var(--pdf-text);
    user-select: none;
}

.pdf-checkbox {
    width: 1.1rem;
    height: 1.1rem;
    flex-shrink: 0;
    accent-color: var(--pdf-primary);
    cursor: pointer;
}

/* ===== Accordion toggle button (e.g. Digital Signature section) ===== */
.pdf-accordion-btn {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    width: 100%;
    padding: 0.75rem 1rem;
    background: rgba(255, 140, 0, 0.06);
    border: 1px solid var(--pdf-border-amber);
    border-radius: var(--pdf-radius-sm);
    color: var(--pdf-text);
    font-size: 0.88rem;
    font-weight: 600;
    cursor: pointer;
    text-align: left;
    transition: background var(--pdf-transition), border-color var(--pdf-transition);
}

.pdf-accordion-btn:hover {
    background: rgba(255, 140, 0, 0.12);
    border-color: rgba(255, 140, 0, 0.5);
}

.pdf-accordion-icon {
    font-size: 1.05rem;
    flex-shrink: 0;
}

.pdf-accordion-label {
    flex: 1;
}

.pdf-accordion-hint {
    font-size: 0.75rem;
    font-weight: 400;
    color: var(--pdf-text-dim);
    margin-left: 0.4rem;
}

.pdf-accordion-arrow {
    font-size: 0.65rem;
    color: var(--pdf-primary);
    transition: transform 0.25s ease;
    display: inline-block;
}

.pdf-accordion-arrow--open {
    transform: rotate(90deg);
}

.pdf-accordion-body {
    margin-top: 0.5rem;
    padding: 1rem;
    background: var(--pdf-bg-panel);
    border: 1px solid var(--pdf-border);
    border-radius: var(--pdf-radius-sm);
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.pdf-info-icon { font-size: 1.2rem; flex-shrink: 0; line-height: 1.4; }

.pdf-info-title {
    font-size: 0.82rem;
    font-weight: 700;
    color: var(--pdf-primary);
    margin-bottom: 0.2rem;
}

.pdf-info-desc {
    font-size: 0.78rem;
    color: var(--pdf-text-dim);
    line-height: 1.5;
}

/* ===== Feature List ===== */
.pdf-feature-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
    padding: 0;
}

.pdf-feature-item {
    font-size: 0.82rem;
    color: var(--pdf-text-dim);
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    line-height: 1.5;
}

.pdf-feature-item::before {
    content: '✓';
    color: var(--pdf-primary);
    flex-shrink: 0;
    font-size: 0.7rem;
    margin-top: 0.2rem;
}

/* ===== Metadata Table ===== */
.pdf-metadata-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.82rem;
}

.pdf-metadata-row {
    border-bottom: 1px solid var(--pdf-border);
    transition: background var(--pdf-transition);
}

.pdf-metadata-row:hover {
    background: rgba(255,140,0,0.03);
}

.pdf-metadata-row:last-child {
    border-bottom: none;
}

.pdf-metadata-key {
    padding: 0.65rem 0.85rem 0.65rem 0;
    color: var(--pdf-text-dim);
    font-weight: 600;
    width: 40%;
    vertical-align: top;
}

.pdf-metadata-value {
    padding: 0.65rem 0;
    color: var(--pdf-text);
    word-break: break-word;
}

/* ===== Signature Canvas ===== */
.pdf-signature-canvas {
    border: 1px solid var(--pdf-border);
    border-radius: var(--pdf-radius-sm);
    background: #fff;
    cursor: crosshair;
    display: block;
    width: 100%;
    max-width: 500px;
    touch-action: none;
}

.pdf-sig-preview {
    font-family: 'Brush Script MT', cursive, serif;
    font-size: 2rem;
    color: #1a1a2e;
    border-bottom: 2px solid var(--pdf-border);
    padding: 0.5rem;
    min-height: 3rem;
    display: flex;
    align-items: flex-end;
}

/* ===== Signature Canvas & Controls ===== */
.pdf-canvas-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-top: 0.5rem;
}

.pdf-sig-image-preview {
    margin-top: 0.75rem;
    background: var(--pdf-bg-card);
    border: 1px solid var(--pdf-border);
    border-radius: var(--pdf-radius-sm);
    padding: 0.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    max-height: 160px;
    overflow: hidden;
}

.pdf-sig-image {
    max-width: 100%;
    max-height: 140px;
    object-fit: contain;
    display: block;
}

.pdf-position-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

/* ===== Tabs ===== */
.pdf-tabs {
    display: flex;
    gap: 0;
    border-bottom: 2px solid var(--pdf-border);
    margin-bottom: 1.25rem;
}

.pdf-tab {
    padding: 0.65rem 1.25rem;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--pdf-text-dim);
    border: none;
    background: transparent;
    cursor: pointer;
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    font-family: inherit;
    transition: color var(--pdf-transition), border-color var(--pdf-transition);
}

.pdf-tab:hover {
    color: var(--pdf-text);
}

.pdf-tab-active {
    color: var(--pdf-primary);
    border-bottom-color: var(--pdf-primary);
}

.pdf-tab-panel { display: block; }
.pdf-tab-panel.pdf-hidden { display: none; }

/* ===== Rotation Buttons ===== */
.pdf-rotate-btns,
.pdf-rotate-btn-group {
    display: flex;
    gap: 0.6rem;
    flex-wrap: wrap;
}

.pdf-rotate-btn {
    flex: 1;
    min-width: 80px;
    padding: 0.85rem 0.5rem 0.7rem;
    background: var(--pdf-bg-panel);
    border: 2px solid var(--pdf-border);
    border-radius: var(--pdf-radius-sm);
    color: var(--pdf-text-dim);
    cursor: pointer;
    font-family: inherit;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.45rem;
    transition: border-color var(--pdf-transition), background var(--pdf-transition), color var(--pdf-transition), box-shadow var(--pdf-transition);
}

.pdf-rotate-btn:hover {
    border-color: rgba(255,140,0,0.4);
    background: rgba(255,140,0,0.05);
    color: var(--pdf-text);
}

.pdf-rotate-btn-active {
    border-color: var(--pdf-primary);
    background: rgba(255,140,0,0.1);
    color: var(--pdf-primary);
    box-shadow: 0 0 14px rgba(255,140,0,0.22);
}

.pdf-rotate-btn-label {
    font-size: 0.68rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.07em;
    line-height: 1;
}

/* SVG icon inside rotation buttons — inherits currentColor */
.pdf-rotate-icon {
    display: block;
    width: 28px;
    height: 28px;
    flex-shrink: 0;
}

/* Custom angle row */
.pdf-rotate-custom-row {
    margin-top: 0.5rem;
}

/* ===== Rotate — Live Preview ===== */
.pdf-rotate-preview {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.6rem;
    padding: 1rem;
    background: var(--pdf-bg-deep);
    border: 1px solid var(--pdf-border);
    border-radius: var(--pdf-radius-sm);
    margin-top: 0.25rem;
}

.pdf-rotate-preview-viewport {
    width: 160px;
    height: 160px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.pdf-rotate-preview-doc {
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.35s ease;
    transform-origin: center;
}

.pdf-rotate-preview-doc--90  { transform: rotate(90deg);  }
.pdf-rotate-preview-doc--180 { transform: rotate(180deg); }
.pdf-rotate-preview-doc--270 { transform: rotate(270deg); }
.pdf-rotate-preview-doc--custom { transform: rotate(var(--pdf-rotate-angle, 0deg)); }

.pdf-rotate-preview-canvas {
    display: block;
    max-width: 110px;
    height: auto;
    border: 1px solid var(--pdf-border);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.5);
}

/* Placeholder shown before file upload */
.pdf-rotate-preview-lines {
    width: 66px;
    padding: 10px 8px;
    background: var(--pdf-bg-panel);
    border: 1px solid var(--pdf-border);
    border-radius: 2px;
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.pdf-rotate-preview-line {
    display: block;
    height: 3px;
    background: var(--pdf-border);
    border-radius: 1px;
}

.pdf-rotate-preview-line-title {
    height: 5px;
    background: var(--pdf-amber);
    opacity: 0.4;
    width: 70%;
}

.pdf-rotate-preview-line-short { width: 40%; }
.pdf-rotate-preview-line-med   { width: 60%; }

.pdf-rotate-preview-label {
    font-size: 0.75rem;
    color: var(--pdf-text-dim);
    margin: 0;
    text-align: center;
}

/* ===== Workflow Builder ===== */
.pdf-workflow-steps {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
    margin-bottom: 0.5rem;
}

.pdf-workflow-empty {
    text-align: center;
    padding: 1.5rem;
    color: var(--pdf-text-dim);
    font-size: 0.85rem;
    border: 1px dashed var(--pdf-border);
    border-radius: var(--pdf-radius-sm);
}

.pdf-workflow-step {
    background: var(--pdf-bg-card);
    border: 1px solid var(--pdf-border);
    border-radius: var(--pdf-radius-sm);
    overflow: hidden;
    transition: border-color var(--pdf-transition);
}

.pdf-workflow-step:hover {
    border-color: var(--pdf-border-hover);
}

.pdf-workflow-step-header {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.6rem 0.85rem;
    background: var(--pdf-bg-panel);
    border-bottom: 1px solid var(--pdf-border);
}

.pdf-workflow-step-num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 22px;
    height: 22px;
    background: var(--pdf-primary);
    color: #000;
    font-size: 0.7rem;
    font-weight: 800;
    border-radius: 50%;
    flex-shrink: 0;
}

.pdf-workflow-step-icon {
    font-size: 1rem;
    flex-shrink: 0;
}

.pdf-workflow-step-name {
    flex: 1;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--pdf-text);
}

.pdf-workflow-step-actions {
    display: flex;
    gap: 0.3rem;
}

.pdf-workflow-step-move,
.pdf-workflow-step-remove {
    background: transparent;
    border: 1px solid var(--pdf-border);
    border-radius: 4px;
    color: var(--pdf-text-dim);
    font-size: 0.8rem;
    cursor: pointer;
    padding: 0.2rem 0.45rem;
    line-height: 1;
    transition: background var(--pdf-transition), color var(--pdf-transition), border-color var(--pdf-transition);
}

.pdf-workflow-step-move:hover {
    background: rgba(255,140,0,0.1);
    border-color: var(--pdf-primary);
    color: var(--pdf-primary);
}

.pdf-workflow-step-remove:hover {
    background: rgba(255,23,68,0.1);
    border-color: var(--pdf-red);
    color: var(--pdf-red);
}

.pdf-workflow-step-body {
    padding: 0.85rem;
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}

.pdf-workflow-step-body .pdf-form-group {
    margin: 0;
}

.pdf-wf-run-row {
    margin-top: 1.5rem;
}

.pdf-workflow-step-hint {
    margin: 0;
    padding: 0.5rem 0.85rem 0.7rem;
    font-size: 0.78rem;
    color: var(--pdf-text-dim);
    border-top: 1px solid var(--pdf-border);
    line-height: 1.4;
}

/* Step picker grid */
.pdf-step-picker {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 0.5rem;
}

.pdf-step-pick-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0.85rem;
    background: var(--pdf-bg-panel);
    border: 1px solid var(--pdf-border);
    border-radius: 20px;
    color: var(--pdf-text-dim);
    font-size: 0.82rem;
    font-family: inherit;
    cursor: pointer;
    transition: background var(--pdf-transition), border-color var(--pdf-transition), color var(--pdf-transition);
}

.pdf-step-pick-btn:hover {
    background: rgba(255,140,0,0.1);
    border-color: var(--pdf-primary);
    color: var(--pdf-primary);
}

.pdf-step-pick-btn:disabled {
    opacity: 0.38;
    cursor: not-allowed;
}

.pdf-step-pick-btn:disabled:hover {
    background: var(--pdf-bg-panel);
    border-color: var(--pdf-border);
    color: var(--pdf-text-dim);
}

.pdf-step-pick-icon {
    font-size: 0.9rem;
}

/* ===== Server-Side Notice ===== */
.pdf-serverside-notice {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    background: rgba(255, 140, 0, 0.07);
    border: 1px solid rgba(255, 140, 0, 0.2);
    border-radius: var(--pdf-radius);
    padding: 0.85rem 1.25rem;
    margin-bottom: 2rem;
}

.pdf-serverside-notice-icon {
    font-size: 1.25rem;
    flex-shrink: 0;
}

.pdf-serverside-notice-text {
    font-size: 0.875rem;
    color: var(--pdf-text-dim);
    line-height: 1.5;
}

/* ===== How It Works ===== */
.pdf-how-it-works-section {
    margin-top: 2.5rem;
    padding-top: 2rem;
    border-top: 1px solid var(--pdf-border);
    margin-bottom: 3rem;
}

.pdf-steps-row {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-top: 1.5rem;
}

.pdf-step {
    flex: 1;
    background: var(--pdf-bg-card);
    border: 1px solid var(--pdf-border);
    border-radius: var(--pdf-radius);
    padding: 1.5rem 1.25rem;
    text-align: center;
    transition: border-color var(--pdf-transition), box-shadow var(--pdf-transition);
}

.pdf-step:hover {
    border-color: var(--pdf-border-amber);
    box-shadow: var(--pdf-shadow-amber);
}

.pdf-step-number {
    width: 2.25rem;
    height: 2.25rem;
    line-height: 2.25rem;
    font-size: 1.1rem;
    font-weight: 900;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--pdf-primary) 0%, var(--pdf-accent) 100%);
    color: #fff;
    font-size: 1rem;
    font-weight: 800;
    margin: 0 auto 0.75rem;
    box-shadow: 0 0 14px rgba(255, 140, 0, 0.35);
}

.pdf-step-title {
    font-size: 0.95rem;
    font-weight: 800;
    color: var(--pdf-primary);
    margin-bottom: 0.5rem;
    line-height: 1.3;
}

.pdf-step-desc {
    font-size: 0.78rem;
    color: var(--pdf-text-dim);
    line-height: 1.55;
}

.pdf-step-connector {
    font-size: 1.5rem;
    color: var(--pdf-primary);
    opacity: 0.5;
    flex-shrink: 0;
    margin-top: 3.25rem;
    align-self: flex-start;
}

/* ===== Reorder Preview ===== */
.pdf-reorder-grid {
    cursor: default;
}

.pdf-reorder-item {
    cursor: grab;
    position: relative;
    user-select: none;
    transition: opacity var(--pdf-transition), box-shadow var(--pdf-transition), border-color var(--pdf-transition);
}

.pdf-reorder-item:hover {
    border-color: var(--pdf-border-amber);
    box-shadow: var(--pdf-shadow-amber);
}

.pdf-reorder-item.pdf-reorder-dragging {
    opacity: 0.35;
    cursor: grabbing;
}

.pdf-reorder-item.pdf-reorder-over {
    border-color: var(--pdf-secondary);
    box-shadow: 0 0 0 2px var(--pdf-secondary), var(--pdf-shadow-amber);
}

.pdf-reorder-handle {
    position: absolute;
    top: 4px;
    right: 4px;
    font-size: 0.7rem;
    color: var(--pdf-text-muted);
    line-height: 1;
    pointer-events: none;
    content: '⠿';
}

.pdf-reorder-handle::after {
    content: '⠿';
}

/* ===== Merge Preview (per-file first-page thumbnails) ===== */
.pdf-merge-preview {
    margin: 1rem 0 0.25rem;
}

.pdf-merge-preview-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: 0.75rem;
    max-height: 420px;
    overflow-y: auto;
    padding: 0.75rem;
    background: var(--pdf-bg-deep);
    border: 1px solid var(--pdf-border);
    border-radius: var(--pdf-radius-sm);
}

.pdf-merge-preview-grid::-webkit-scrollbar { width: 6px; }
.pdf-merge-preview-grid::-webkit-scrollbar-track { background: transparent; }
.pdf-merge-preview-grid::-webkit-scrollbar-thumb { background: var(--pdf-border); border-radius: 3px; }

.pdf-merge-thumb {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.35rem;
    padding: 0.5rem 0.4rem 0.4rem;
    background: var(--pdf-bg-card);
    border: 2px solid var(--pdf-border);
    border-radius: 6px;
    cursor: grab;
    user-select: none;
    transition: border-color 0.18s ease, background 0.18s ease, box-shadow 0.18s ease;
}

.pdf-merge-thumb:hover {
    border-color: var(--pdf-border-hover);
    background: var(--pdf-bg-card-hover);
}

.pdf-merge-thumb.pdf-merge-thumb-dragging {
    opacity: 0.45;
    cursor: grabbing;
}

.pdf-merge-thumb.pdf-merge-thumb-over {
    border-color: var(--pdf-primary);
    box-shadow: 0 0 0 2px var(--pdf-amber-glow);
    background: rgba(255, 140, 0, 0.07);
}

/* Order badge — top-left corner */
.pdf-merge-thumb-badge {
    position: absolute;
    top: 4px;
    left: 6px;
    font-size: 0.62rem;
    font-weight: 700;
    color: var(--pdf-primary);
    line-height: 1;
    background: var(--pdf-bg-deep);
    padding: 1px 4px;
    border-radius: 3px;
    border: 1px solid var(--pdf-border-amber);
}

/* Canvas area */
.pdf-merge-thumb-canvas-wrap {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.pdf-merge-thumb-canvas-wrap canvas {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 3px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.45);
}

.pdf-merge-thumb-placeholder {
    width: 100%;
    aspect-ratio: 3 / 4;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.7rem;
    color: var(--pdf-text-muted);
    background: var(--pdf-bg-panel);
    border-radius: 3px;
}

/* Filename */
.pdf-merge-thumb-name {
    width: 100%;
    font-size: 0.68rem;
    color: var(--pdf-text);
    text-align: center;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    line-height: 1.2;
}

/* Page count */
.pdf-merge-thumb-pages {
    font-size: 0.62rem;
    color: var(--pdf-text-dim);
    line-height: 1;
}

/* ===== Delete-mode Preview ===== */
.pdf-preview-delete-mode .pdf-page-thumb.selected {
    border-color: var(--pdf-red) !important;
    box-shadow: 0 0 0 2px var(--pdf-red), 0 0 12px var(--pdf-red-glow) !important;
}

.pdf-preview-delete-mode .pdf-page-thumb.selected .pdf-page-thumb-num {
    background: var(--pdf-red);
    color: #fff;
}

/* ===== Form Actions Row ===== */
.pdf-form-actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    margin-top: 1.25rem;
}

.pdf-options-panel > .pdf-btn {
    margin-top: 1.25rem;
}

.pdf-options-panel > .pdf-form-group {
    margin-bottom: 1rem;
}

/* ===== Pre-footer Rule ===== */
.pdf-pre-footer-hr {
    border: none;
    border-top: 1px solid var(--pdf-border);
    margin: 0 2rem;
    opacity: 0.6;
    position: relative;
    z-index: 2;
}

/* ===== Footer ===== */
.pdf-footer {
    background: linear-gradient(135deg, #060c16 0%, #0c1628 100%);
    border-top: 1px solid rgba(255,140,0,0.1);
    padding: 2rem 1.5rem;
    margin-top: 2rem;
    position: relative;
    z-index: 2;
}

.pdf-footer::before {
    content: '';
    display: block;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--pdf-primary), var(--pdf-secondary), var(--pdf-primary), transparent);
    position: absolute;
    top: -1px;
    left: 0;
    right: 0;
    opacity: 0.5;
}

.pdf-footer-inner {
    max-width: 1400px;
    margin: 0 auto;
    text-align: center;
}

.pdf-footer-copy {
    font-size: 0.85rem;
    color: var(--pdf-text-dim);
    margin-bottom: 0.75rem;
}

.pdf-footer-links {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.75rem;
    flex-wrap: wrap;
    margin-bottom: 0.75rem;
}

.pdf-footer-link {
    font-size: 0.82rem;
    color: var(--pdf-text-dim);
    text-decoration: none;
    transition: color var(--pdf-transition);
}

.pdf-footer-link:hover {
    color: var(--pdf-primary);
}

.pdf-footer-sep {
    color: var(--pdf-text-muted);
    font-size: 0.6rem;
}

.pdf-footer-info {
    font-size: 0.72rem;
    color: var(--pdf-text-muted);
}

.pdf-footer-brand {
    font-size: 0.75rem;
    color: var(--pdf-text-muted);
    margin-top: 0.5rem;
}

.pdf-footer-brand-link {
    color: var(--pdf-primary);
    text-decoration: none;
    transition: color var(--pdf-transition);
}

.pdf-footer-brand-link:hover {
    color: var(--pdf-secondary);
}

/* ===== Legal Notice ===== */
.legal-notice {
    font-size: 0.72rem;
    color: var(--pdf-text-muted);
    padding: 0.75rem 1.5rem;
    border-top: 1px solid rgba(255,255,255,0.04);
    background: var(--pdf-bg-deep);
    position: relative;
    z-index: 2;
}

.legal-notice-center { text-align: center; }

/* ===== Animations ===== */
@keyframes pdf-pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

@keyframes pdf-float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-6px); }
}

@keyframes pdf-shimmer {
    0%, 100% { opacity: 0.4; }
    50% { opacity: 1; }
}

@keyframes pdf-spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

@keyframes pdf-fade-in-up {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Scroll / entrance animation classes */
.pdf-fade-in {
    opacity: 0;
    transform: translateY(18px);
}

.pdf-visible {
    animation: pdf-card-reveal 0.55s cubic-bezier(0.22, 1, 0.36, 1) both;
    animation-delay: var(--stagger-delay, 0ms);
}

@keyframes pdf-card-reveal {
    from { opacity: 0; transform: translateY(18px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* ===== Responsive ===== */
@media (max-width: 1200px) {
    .pdf-tool-grid { grid-template-columns: repeat(2, 1fr); }
    .pdf-stats-bar { grid-template-columns: repeat(2, 1fr); }
    .pdf-stat-item { border-right: none; }
}

@media (max-width: 900px) {
    .pdf-tool-grid     { grid-template-columns: repeat(2, 1fr); gap: 0.6rem; }
    .pdf-privacy-section { grid-template-columns: 1fr; }
    .pdf-tech-grid     { grid-template-columns: 1fr; }
    .pdf-options-grid  { grid-template-columns: 1fr; }
    .pdf-steps-row     { flex-direction: column; }
    .pdf-step-connector { display: none; }
}

@media (max-width: 600px) {
    .pdf-tool-grid { grid-template-columns: 1fr; }
    .pdf-stats-bar { grid-template-columns: repeat(2, 1fr); }
    .pdf-content-wrapper { padding: 1.25rem 1rem 3rem; }
    .pdf-tool-card-main { padding: 1.25rem; }
    .pdf-header-badge { font-size: 0.62rem; }
    .pdf-rotate-btns, .pdf-rotate-btn-group { gap: 0.4rem; }
    .pdf-rotate-btn { min-width: 70px; padding: 0.7rem 0.4rem; }
}

/* ===== PDF Page Preview Grid ===== */
.pdf-page-preview {
    margin: 1.25rem 0;
}

.pdf-page-preview-label {
    font-size: 0.8rem;
    color: var(--pdf-text-dim);
    margin-bottom: 0.75rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.pdf-page-preview-label strong {
    color: var(--pdf-text);
    font-weight: 600;
}

.pdf-page-preview-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
    gap: 0.75rem;
    max-height: 420px;
    overflow-y: auto;
    padding: 0.5rem;
    background: var(--pdf-bg-deep);
    border: 1px solid var(--pdf-border);
    border-radius: var(--pdf-radius-sm);
}

.pdf-page-thumb {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.35rem;
    cursor: pointer;
    border-radius: 6px;
    padding: 0.4rem;
    border: 2px solid transparent;
    transition: border-color 0.18s ease, background 0.18s ease;
    background: var(--pdf-bg-card);
    user-select: none;
}

.pdf-page-thumb:hover {
    border-color: var(--pdf-border-hover);
    background: var(--pdf-bg-card-hover);
}

.pdf-page-thumb.selected {
    border-color: var(--pdf-primary);
    background: rgba(255, 140, 0, 0.08);
}

.pdf-page-thumb canvas {
    width: 100%;
    height: auto;
    border-radius: 3px;
    display: block;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
}

.pdf-page-thumb-num {
    font-size: 0.7rem;
    color: var(--pdf-text-dim);
    font-weight: 500;
    line-height: 1;
}

.pdf-page-thumb.selected .pdf-page-thumb-num {
    color: var(--pdf-primary);
}

.pdf-page-thumb-loading {
    width: 100%;
    aspect-ratio: 3/4;
    background: var(--pdf-bg-panel);
    border-radius: 3px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.65rem;
    color: var(--pdf-text-muted);
}

.pdf-preview-loading {
    padding: 1.5rem;
    text-align: center;
    color: var(--pdf-text-dim);
    font-size: 0.85rem;
}

.pdf-preview-selection-hint {
    font-size: 0.75rem;
    color: var(--pdf-text-dim);
    margin-top: 0.5rem;
}

.pdf-page-preview-grid::-webkit-scrollbar { width: 6px; }
.pdf-page-preview-grid::-webkit-scrollbar-track { background: transparent; }
.pdf-page-preview-grid::-webkit-scrollbar-thumb { background: var(--pdf-border); border-radius: 3px; }

/* ===== PDF Split Preview Strip ===== */
.pdf-split-preview {
    margin: 1.25rem 0 0.5rem;
}

.pdf-split-strip {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-start;
    gap: 0.5rem 0;
    background: var(--pdf-bg-deep);
    border: 1px solid var(--pdf-border);
    border-radius: var(--pdf-radius-sm);
    padding: 0.75rem 0.5rem;
    max-height: 420px;
    overflow-y: auto;
}

.pdf-split-page-wrap {
    display: flex;
    align-items: center;
    margin-bottom: 0.35rem;
}

/* Group tints — alternating every cut point */
.pdf-split-group-0 .pdf-split-thumb { border-color: rgba(255, 140, 0, 0.35); background: rgba(255, 140, 0, 0.06); }
.pdf-split-group-1 .pdf-split-thumb { border-color: rgba(0, 200, 200, 0.35); background: rgba(0, 200, 200, 0.06); }
.pdf-split-group-2 .pdf-split-thumb { border-color: rgba(160, 100, 255, 0.35); background: rgba(160, 100, 255, 0.06); }
.pdf-split-group-3 .pdf-split-thumb { border-color: rgba(0, 220, 120, 0.35); background: rgba(0, 220, 120, 0.06); }

.pdf-split-thumb {
    width: 76px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.3rem;
    padding: 0.35rem;
    border: 2px solid var(--pdf-border);
    border-radius: 5px;
    background: var(--pdf-bg-card);
    transition: border-color 0.18s ease, background 0.18s ease;
}

.pdf-split-thumb canvas {
    width: 100%;
    height: auto;
    border-radius: 2px;
    display: block;
    box-shadow: 0 1px 6px rgba(0,0,0,0.4);
}

/* Cut zone between pages */
.pdf-split-cut {
    width: 20px;
    height: 100%;
    min-height: 80px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    position: relative;
    cursor: default;
}

.pdf-split-cut-line {
    position: absolute;
    top: 10%;
    bottom: 10%;
    left: 50%;
    width: 2px;
    transform: translateX(-50%);
    background: var(--pdf-border);
    border-radius: 1px;
    transition: background 0.15s ease, width 0.15s ease;
}

.pdf-split-cut-icon {
    position: relative;
    font-size: 0.65rem;
    color: transparent;
    transition: color 0.15s ease;
    z-index: 1;
    background: var(--pdf-bg-deep);
    padding: 1px 0;
    line-height: 1;
}

.pdf-split-cut.active .pdf-split-cut-line {
    background: var(--pdf-primary);
    width: 3px;
}

.pdf-split-cut.active .pdf-split-cut-icon {
    color: var(--pdf-primary);
}

.pdf-split-cut.clickable {
    cursor: pointer;
}

.pdf-split-cut.clickable:hover .pdf-split-cut-line {
    background: var(--pdf-primary-light);
    width: 3px;
}

.pdf-split-cut.clickable:hover .pdf-split-cut-icon {
    color: var(--pdf-primary-light);
}

.pdf-split-summary {
    font-size: 0.78rem;
    color: var(--pdf-primary);
    font-weight: 600;
    margin-top: 0.5rem;
    padding: 0.35rem 0.5rem;
    background: rgba(255, 140, 0, 0.07);
    border-radius: var(--pdf-radius-sm);
    border: 1px solid rgba(255, 140, 0, 0.2);
}

.pdf-split-strip::-webkit-scrollbar { width: 6px; }
.pdf-split-strip::-webkit-scrollbar-track { background: transparent; }
.pdf-split-strip::-webkit-scrollbar-thumb { background: var(--pdf-border); border-radius: 3px; }

/* ===== Reduced motion ===== */
@media (prefers-reduced-motion: reduce) {
    .pdf-header, .pdf-header *,
    .pdf-tool-card, .pdf-tool-card *,
    .pdf-hero, .pdf-hero *,
    .pdf-privacy-card, .pdf-privacy-card *,
    .pdf-tech-card, .pdf-tech-card *,
    .pdf-stat, .pdf-stat *,
    .pdf-upload-zone, .pdf-upload-zone *,
    .pdf-btn, .pdf-result, .pdf-bg-container, .pdf-bg-container * {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
    }
    .pdf-tool-card:hover { transform: none; }
}

/* ===================================================================
   Hub Page — Drag & Drop Anywhere Overlay
   =================================================================== */

.pdf-hub-drop-overlay {
    position: fixed;
    inset: 0;
    z-index: 9100;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(4, 8, 16, 0.90);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    opacity: 1;
    transition: opacity 0.22s ease;
}

.pdf-hub-drop-overlay.pdf-hub-drop-hidden {
    opacity: 0;
    pointer-events: none;
}

/* ── Waiting panel (file is hovering) ─────── */
.pdf-hub-wait {
    text-align: center;
    transition: opacity 0.2s ease, transform 0.2s ease;
}

.pdf-hub-drop-overlay.pdf-hub-choosing .pdf-hub-wait {
    opacity: 0;
    transform: scale(0.88);
    pointer-events: none;
    position: absolute;
}

/* Ring animation container */
.pdf-hub-ring-wrap {
    width: 170px;
    height: 170px;
    position: relative;
    margin: 0 auto 1.5rem;
}

.pdf-hub-ring-outer {
    position: absolute;
    inset: 0;
    border-radius: 50%;
    border: 2px dashed var(--pdf-primary);
    animation: pdf-hub-cw 10s linear infinite;
}

.pdf-hub-ring-inner {
    position: absolute;
    inset: 18px;
    border-radius: 50%;
    border: 2px dashed var(--pdf-secondary);
    animation: pdf-hub-ccw 6s linear infinite;
}

.pdf-hub-ring-center {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3.5rem;
    filter:
        drop-shadow(0 2px 0 rgba(0,0,0,0.85))
        drop-shadow(0 0 24px rgba(255,140,0,0.55));
    animation: pdf-hub-float 2.8s ease-in-out infinite;
}

@keyframes pdf-hub-cw  { to { transform: rotate( 360deg); } }
@keyframes pdf-hub-ccw { to { transform: rotate(-360deg); } }
@keyframes pdf-hub-float {
    0%, 100% { transform: translateY(0);     }
    50%       { transform: translateY(-10px); }
}

.pdf-hub-wait-title {
    font-size: 1.6rem;
    font-weight: 900;
    color: var(--pdf-text);
    letter-spacing: -0.03em;
    margin-bottom: 0.4rem;
}

.pdf-hub-wait-sub {
    font-size: 0.85rem;
    color: var(--pdf-text-dim);
}

/* ── Pick panel (shown after drop) ───────── */
.pdf-hub-pick {
    background: var(--pdf-bg-card);
    border: 1px solid var(--pdf-border-amber);
    border-radius: var(--pdf-radius-lg);
    padding: 2rem 2rem 1.5rem;
    max-width: 620px;
    width: 94vw;
    box-shadow: 0 0 60px rgba(255,140,0,0.18), 0 24px 64px rgba(0,0,0,0.65);
    transition: opacity 0.2s ease, transform 0.2s ease;
    opacity: 0;
    transform: scale(1.06);
    pointer-events: none;
    position: absolute;
}

.pdf-hub-drop-overlay.pdf-hub-choosing .pdf-hub-pick {
    opacity: 1;
    transform: scale(1);
    pointer-events: auto;
    position: relative;
}

.pdf-hub-pick-file {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    background: var(--pdf-bg-panel);
    border: 1px solid var(--pdf-border);
    border-radius: var(--pdf-radius-sm);
    padding: 0.55rem 0.85rem;
    margin-bottom: 1.1rem;
    font-size: 0.82rem;
    color: var(--pdf-text-dim);
    min-width: 0;
}

.pdf-hub-pick-file-name {
    color: var(--pdf-text);
    font-weight: 600;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.pdf-hub-pick-title {
    font-size: 1rem;
    font-weight: 800;
    color: var(--pdf-text);
    margin-bottom: 1rem;
    letter-spacing: -0.01em;
}

.pdf-hub-actions {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(88px, 1fr));
    gap: 0.6rem;
    margin-bottom: 1.25rem;
    max-height: 52vh;
    overflow-y: auto;
    overscroll-behavior: contain;
    scrollbar-width: thin;
    scrollbar-color: var(--pdf-primary) transparent;
}

.pdf-hub-action {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.35rem;
    padding: 0.8rem 0.4rem;
    background: var(--pdf-bg-panel);
    border: 1px solid var(--pdf-border);
    border-radius: var(--pdf-radius-sm);
    text-decoration: none;
    color: var(--pdf-text);
    font-size: 0.68rem;
    font-weight: 700;
    text-align: center;
    line-height: 1.3;
    transition: border-color var(--pdf-transition), background var(--pdf-transition), transform 0.15s ease;
}

.pdf-hub-action:hover {
    border-color: var(--pdf-border-amber);
    background: var(--pdf-bg-card-hover);
    transform: translateY(-2px);
}

.pdf-hub-action-icon {
    font-size: 1.45rem;
    filter:
        drop-shadow(0 1px 0 rgba(0,0,0,0.75))
        drop-shadow(0 2px 6px rgba(255,140,0,0.28));
}

/* Hidden when file type doesn't match this tool */
.pdf-hub-action-hidden {
    display: none !important;
}

.pdf-hub-no-match {
    text-align: center;
    color: var(--pdf-text-muted);
    font-size: 0.8rem;
    padding: 1rem 0;
}

.pdf-hub-dismiss {
    display: block;
    width: 100%;
    padding: 0.5rem;
    background: transparent;
    border: 1px solid var(--pdf-border);
    border-radius: var(--pdf-radius-sm);
    color: var(--pdf-text-muted);
    font-size: 0.75rem;
    font-family: inherit;
    cursor: pointer;
    transition: border-color var(--pdf-transition), color var(--pdf-transition);
}

.pdf-hub-dismiss:hover {
    border-color: var(--pdf-border-hover);
    color: var(--pdf-text-dim);
}

@media (max-width: 480px) {
    .pdf-hub-actions { grid-template-columns: repeat(auto-fill, minmax(72px, 1fr)); gap: 0.4rem; }
    .pdf-hub-action  { padding: 0.65rem 0.25rem; font-size: 0.62rem; }
    .pdf-hub-action-icon { font-size: 1.2rem; }
    .pdf-hub-wait-title  { font-size: 1.25rem; }
}

/* ===================================================================
   Privacy Proof Badges Strip
   =================================================================== */

.pdf-proof-strip {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.65rem;
    margin: 1.25rem 0 1.75rem;
}

.pdf-proof-badge {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.3rem;
    background: var(--pdf-bg-card);
    border: 1px solid var(--pdf-border-amber);
    border-radius: var(--pdf-radius-sm);
    padding: 0.65rem 1rem;
    min-width: 92px;
    cursor: default;
    transition: border-color var(--pdf-transition), box-shadow var(--pdf-transition), transform var(--pdf-transition);
}

.pdf-proof-badge:hover {
    border-color: var(--pdf-primary);
    box-shadow: 0 0 14px rgba(255,140,0,0.18);
    transform: translateY(-2px);
}

.pdf-proof-badge-icon {
    font-size: 1.35rem;
    filter:
        drop-shadow(0 1px 0 rgba(0,0,0,0.7))
        drop-shadow(0 2px 5px rgba(255,140,0,0.30));
    line-height: 1;
}

.pdf-proof-badge-label {
    font-size: 0.67rem;
    font-weight: 700;
    color: var(--pdf-text-dim);
    text-align: center;
    line-height: 1.3;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* ===================================================================
   PDF Processing Overlay — 3D animated feedback for all tools
   =================================================================== */

.pdf-proc-overlay {
    position: fixed;
    inset: 0;
    z-index: 9000;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(4, 8, 16, 0.82);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    opacity: 1;
    transition: opacity 0.32s ease;
}

.pdf-proc-overlay.pdf-proc-hidden {
    opacity: 0;
    pointer-events: none;
}

.pdf-proc-card {
    background: var(--pdf-bg-card);
    border: 1px solid var(--pdf-border-amber);
    border-radius: var(--pdf-radius-lg);
    padding: 2.5rem 2.25rem 2rem;
    text-align: center;
    min-width: 280px;
    max-width: 360px;
    width: 90vw;
    box-shadow:
        0 0 60px rgba(255,140,0,0.18),
        0 0 120px rgba(255,140,0,0.08),
        0 24px 64px rgba(0,0,0,0.65);
    animation: pdf-proc-card-in 0.4s cubic-bezier(0.34, 1.56, 0.64, 1) both;
}

@keyframes pdf-proc-card-in {
    from { transform: scale(0.82) translateY(24px); opacity: 0; }
    to   { transform: scale(1)    translateY(0);    opacity: 1; }
}

/* ── 3D ring scene ───────────────────────────────────── */

.pdf-proc-visual {
    position: relative;
    width: 130px;
    height: 130px;
    perspective: 420px;
    margin: 0 auto 1.75rem;
}

.pdf-proc-sphere {
    position: absolute;
    inset: 38px;
    border-radius: 50%;
    background: radial-gradient(
        circle at 35% 32%,
        var(--pdf-secondary) 0%,
        var(--pdf-primary)   45%,
        var(--pdf-accent-dark) 100%
    );
    box-shadow:
        0 0 18px 5px  rgba(255,140,0,0.55),
        0 0 40px 10px rgba(255,140,0,0.22);
    animation: pdf-sphere-pulse 2.2s ease-in-out infinite;
}

@keyframes pdf-sphere-pulse {
    0%, 100% {
        box-shadow:
            0 0 18px 5px  rgba(255,140,0,0.55),
            0 0 40px 10px rgba(255,140,0,0.22);
    }
    50% {
        box-shadow:
            0 0 28px 9px  rgba(255,215,0,0.70),
            0 0 64px 18px rgba(255,140,0,0.30);
    }
}

.pdf-proc-ring {
    position: absolute;
    border-radius: 50%;
    border: 3px solid transparent;
}

/* Ring 1 — large, amber, tilted, slow */
.pdf-proc-ring-1 {
    inset: 6px;
    border-top-color:    var(--pdf-primary);
    border-bottom-color: rgba(255,140,0,0.12);
    animation: pdf-ring-1 1.8s linear infinite;
}

@keyframes pdf-ring-1 {
    from { transform: rotateX(68deg) rotateY(0deg); }
    to   { transform: rotateX(68deg) rotateY(360deg); }
}

/* Ring 2 — medium, gold, different tilt, reverse */
.pdf-proc-ring-2 {
    inset: 18px;
    border-left-color:  var(--pdf-secondary);
    border-right-color: rgba(255,215,0,0.12);
    animation: pdf-ring-2 2.4s linear infinite reverse;
}

@keyframes pdf-ring-2 {
    from { transform: rotateX(55deg) rotateZ(48deg) rotateY(0deg); }
    to   { transform: rotateX(55deg) rotateZ(48deg) rotateY(360deg); }
}

/* Ring 3 — small, accent, steep tilt, fast */
.pdf-proc-ring-3 {
    inset: 2px;
    border-right-color: var(--pdf-accent);
    border-left-color:  rgba(255,107,53,0.12);
    animation: pdf-ring-3 3.0s linear infinite;
}

@keyframes pdf-ring-3 {
    from { transform: rotateX(78deg) rotateZ(-32deg) rotateY(0deg); }
    to   { transform: rotateX(78deg) rotateZ(-32deg) rotateY(360deg); }
}

/* ── Text ────────────────────────────────────────────── */

.pdf-proc-title {
    font-size: 1.1rem;
    font-weight: 800;
    color: var(--pdf-text);
    letter-spacing: -0.02em;
    margin-bottom: 0.35rem;
    line-height: 1.3;
}

.pdf-proc-subtitle {
    font-size: 0.78rem;
    color: var(--pdf-text-dim);
    margin-bottom: 1.25rem;
    min-height: 1.1em;
    transition: color 0.2s ease;
}

/* ── Progress bar inside card ────────────────────────── */

.pdf-proc-bar-wrap {
    height: 4px;
    background: rgba(255,255,255,0.06);
    border-radius: 2px;
    overflow: hidden;
    margin-bottom: 1.4rem;
    position: relative;
}

.pdf-proc-bar {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, var(--pdf-primary), var(--pdf-secondary));
    border-radius: 2px;
    transition: width 0.28s ease;
    box-shadow: 0 0 8px rgba(255,140,0,0.55);
}

/* Indeterminate shimmer */
.pdf-proc-bar-indeterminate {
    width: 38% !important;
    transition: none !important;
    background: linear-gradient(90deg, var(--pdf-primary), var(--pdf-secondary), var(--pdf-primary));
    animation: pdf-bar-shimmer 1.4s ease-in-out infinite;
}

@keyframes pdf-bar-shimmer {
    0%   { transform: translateX(-160%); }
    100% { transform: translateX(420%); }
}

/* ── Dots ────────────────────────────────────────────── */

.pdf-proc-dots {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 7px;
}

.pdf-proc-dot {
    width: 9px;
    height: 9px;
    border-radius: 50%;
    animation: pdf-dot-bounce 1.2s ease-in-out infinite;
    display: inline-block;
}

.pdf-proc-dot:nth-child(1) { background: var(--pdf-primary);   animation-delay: 0s; }
.pdf-proc-dot:nth-child(2) { background: var(--pdf-secondary); animation-delay: 0.2s; }
.pdf-proc-dot:nth-child(3) { background: var(--pdf-accent);    animation-delay: 0.4s; }

@keyframes pdf-dot-bounce {
    0%, 60%, 100% { transform: translateY(0)     scale(0.75); opacity: 0.45; }
    30%           { transform: translateY(-10px)  scale(1.15); opacity: 1; }
}

/* Reduce motion */
@media (prefers-reduced-motion: reduce) {
    .pdf-proc-overlay,
    .pdf-proc-card,
    .pdf-proc-sphere,
    .pdf-proc-ring,
    .pdf-proc-bar-indeterminate,
    .pdf-proc-dot {
        animation: none !important;
        transition-duration: 0.01ms !important;
    }
}

/* ===== Tab Group (HTML-to-PDF two-mode selector) ===== */
.pdf-tab-group {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
    border-bottom: 2px solid var(--pdf-border, #2a2a3a);
    padding-bottom: 0;
}

.pdf-tab {
    background: transparent;
    border: none;
    border-bottom: 3px solid transparent;
    color: var(--pdf-text-muted, #888);
    cursor: pointer;
    font-size: 0.95rem;
    font-family: inherit;
    padding: 0.6rem 1.2rem;
    margin-bottom: -2px;
    transition: color 0.2s, border-color 0.2s;
}

.pdf-tab:hover {
    color: var(--pdf-primary, #ff8c00);
}

.pdf-tab-active {
    color: var(--pdf-primary, #ff8c00);
    border-bottom-color: var(--pdf-primary, #ff8c00);
    font-weight: 600;
}

/* ===== Text / URL input (HTML-to-PDF URL field) ===== */
.pdf-text-input {
    width: 100%;
    padding: 0.65rem 1rem;
    background: var(--pdf-input-bg, #1a1a2a);
    border: 1px solid var(--pdf-border, #2a2a3a);
    border-radius: 6px;
    color: var(--pdf-text, #e0e0e0);
    font-size: 0.95rem;
    font-family: inherit;
    box-sizing: border-box;
}

.pdf-text-input:focus {
    outline: 2px solid var(--pdf-primary, #ff8c00);
    outline-offset: 1px;
    border-color: transparent;
}

/* ── Redact Tool ─────────────────────────────────────────────────────────── */
.pdf-redact-input-row {
    display: flex;
    gap: 0.5rem;
    align-items: stretch;
}
.pdf-redact-input-row .pdf-input {
    flex: 1;
    min-width: 0;
}
.pdf-redact-pattern-list {
    background: var(--pdf-bg-deep);
    border: 1px solid var(--pdf-border);
    border-radius: var(--pdf-radius-sm);
    padding: 0.75rem;
    margin-top: 0.25rem;
}
.pdf-redact-pattern-list-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 0.5rem;
}
.pdf-redact-pattern-items {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}
.pdf-redact-pattern-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--pdf-bg-panel);
    border: 1px solid var(--pdf-border);
    border-radius: 4px;
    padding: 0.35rem 0.5rem;
}
.pdf-redact-pattern-badge {
    font-size: 0.8rem;
    flex-shrink: 0;
}
.pdf-redact-pattern-text {
    flex: 1;
    font-size: 0.875rem;
    color: var(--pdf-text);
    font-family: monospace;
    word-break: break-all;
}
.pdf-redact-pattern-remove {
    background: none;
    border: none;
    color: var(--pdf-text-dim);
    cursor: pointer;
    font-size: 0.8rem;
    padding: 0 0.25rem;
    line-height: 1;
    border-radius: 2px;
}
.pdf-redact-pattern-remove:hover { color: #ff4444; }
.pdf-redact-options-grid {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}
.pdf-checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    font-size: 0.875rem;
    color: var(--pdf-text);
}
.pdf-checkbox {
    width: 1rem;
    height: 1rem;
    accent-color: var(--pdf-amber);
    cursor: pointer;
}
.pdf-btn-xs {
    padding: 0.2rem 0.5rem;
    font-size: 0.75rem;
}

/* ── Compare Tool ────────────────────────────────────────────────────────── */
.pdf-compare-zones {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
    margin-bottom: 1rem;
}
.pdf-compare-zone-wrapper {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}
.pdf-compare-zone-label {
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--pdf-amber);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    text-align: center;
}
.pdf-compare-zone {
    min-height: 140px;
    padding: 1rem;
}
.pdf-compare-zone--loaded {
    border-color: var(--pdf-amber);
    opacity: 0.9;
}
.pdf-compare-separator {
    display: flex;
    align-items: center;
    padding-top: 2.5rem;
    flex-shrink: 0;
}
.pdf-compare-vs {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--pdf-text-dim);
    background: var(--pdf-bg-deep);
    border: 1px solid var(--pdf-border);
    border-radius: 50%;
    width: 2rem;
    height: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
}
.pdf-compare-file-info .pdf-file-item {
    font-size: 0.8rem;
}
@media (max-width: 580px) {
    .pdf-compare-zones { flex-direction: column; }
    .pdf-compare-separator { justify-content: center; padding-top: 0; }
}

/* ── Workflow Saved ──────────────────────────────────────────────────────── */
.pdf-wf-saved-panel {
    background: var(--pdf-bg-deep);
    border: 1px solid var(--pdf-border);
    border-radius: var(--pdf-radius);
    padding: 1rem;
    margin-bottom: 1.5rem;
}
.pdf-wf-saved-panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 0.75rem;
    flex-wrap: wrap;
    gap: 0.5rem;
}
.pdf-wf-saved-io {
    display: flex;
    gap: 0.4rem;
    flex-wrap: wrap;
}
.pdf-wf-local-notice {
    display: flex;
    align-items: flex-start;
    gap: 0.4rem;
    font-size: 0.78rem;
    color: var(--pdf-text-dim);
    background: rgba(255, 140, 0, 0.06);
    border: 1px solid rgba(255, 140, 0, 0.2);
    border-radius: 5px;
    padding: 0.45rem 0.65rem;
    margin-bottom: 0.75rem;
    line-height: 1.4;
}
.pdf-wf-local-notice strong {
    color: var(--pdf-text);
}
.pdf-wf-local-notice-icon {
    flex-shrink: 0;
    line-height: 1.4;
}
.pdf-wf-save-form {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 0.75rem;
    flex-wrap: wrap;
}
.pdf-wf-save-form .pdf-input {
    flex: 1;
    min-width: 140px;
}
.pdf-btn-sm {
    padding: 0.3rem 0.65rem;
    font-size: 0.78rem;
}
.pdf-wf-saved-list {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}
.pdf-wf-saved-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
    padding: 0.5rem 0.6rem;
    background: var(--pdf-bg-deep);
    border: 1px solid var(--pdf-border);
    border-radius: 4px;
    flex-wrap: wrap;
}
.pdf-wf-saved-item-info {
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
    flex: 1;
    min-width: 0;
}
.pdf-wf-saved-item-name {
    font-size: 0.875rem;
    color: var(--pdf-text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.pdf-wf-saved-item-meta {
    font-size: 0.72rem;
    color: var(--pdf-text-dim);
}
.pdf-wf-saved-item-actions {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    flex-shrink: 0;
}
.pdf-wf-saved-item-del {
    background: none;
    border: none;
    color: var(--pdf-text-dim);
    cursor: pointer;
    font-size: 0.8rem;
    padding: 0.2rem 0.3rem;
    line-height: 1;
}
.pdf-wf-saved-item-del:hover { color: #ff4444; }
.pdf-wf-saved-empty {
    text-align: center;
    color: var(--pdf-text-dim);
    font-size: 0.875rem;
    padding: 1rem;
}

/* ── Redact draw-region section ─────────────────────────────────────────── */
.pdf-redact-draw-section {
    margin-top: 1.5rem;
    border: 1px solid var(--pdf-border);
    border-radius: 8px;
    padding: 1rem;
    background: rgba(255,255,255,0.02);
}
.pdf-redact-draw-hint {
    display: block;
    font-size: 0.8rem;
    color: var(--pdf-text-dim);
    font-weight: 400;
    margin-top: 0.25rem;
}
.pdf-redact-draw-nav {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-wrap: wrap;
    margin-bottom: 0.75rem;
    font-size: 0.875rem;
    color: var(--pdf-text);
}
.pdf-redact-draw-canvas-wrapper {
    position: relative;
    display: inline-block;
    max-width: 100%;
    border: 1px solid var(--pdf-border);
    border-radius: 4px;
    overflow: hidden;
    cursor: crosshair;
    line-height: 0;
}
.pdf-redact-draw-canvas {
    display: block;
    max-width: 100%;
}
.pdf-redact-draw-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    cursor: crosshair;
}
.pdf-redact-draw-region-list {
    margin-top: 0.75rem;
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}
.pdf-redact-draw-region-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
    background: rgba(220,30,30,0.08);
    border: 1px solid rgba(220,30,30,0.25);
    border-radius: 4px;
    padding: 0.35rem 0.6rem;
    font-size: 0.8rem;
}
.pdf-redact-draw-region-label {
    color: var(--pdf-text);
    flex: 1;
}
.pdf-redact-draw-regions-empty {
    text-align: center;
    color: var(--pdf-text-dim);
    font-size: 0.8rem;
    padding: 0.5rem 0;
}

/* ===== Unlock Tool — key import row ===== */
.pdf-pqc-key-import-label {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    margin-bottom: 0.4rem;
}
.pdf-pqc-key-import-label .pdf-label {
    margin-bottom: 0;
    flex: 1;
}
.pdf-btn-sm {
    padding: 0.3rem 0.75rem;
    font-size: 0.8rem;
}

/* ===== Protect Tool — PQC / mode styles ===== */

/* Info banner shown at top of each mode panel */
.pdf-protect-info-box {
    display: flex;
    gap: 0.75rem;
    align-items: flex-start;
    padding: 0.85rem 1rem;
    border-radius: 8px;
    margin-bottom: 1.25rem;
    font-size: 0.88rem;
    line-height: 1.5;
    color: var(--pdf-text-dim);
}
.pdf-protect-info-box code {
    font-family: monospace;
    background: rgba(255,255,255,0.06);
    padding: 0.1em 0.35em;
    border-radius: 3px;
}
.pdf-protect-info-standard {
    background: rgba(255, 140, 0, 0.07);
    border: 1px solid rgba(255, 140, 0, 0.2);
}
.pdf-protect-info-pqc {
    background: rgba(80, 180, 255, 0.07);
    border: 1px solid rgba(80, 180, 255, 0.25);
}
.pdf-protect-info-icon {
    font-size: 1.4rem;
    line-height: 1;
    flex-shrink: 0;
}

/* PQC sub-mode radio group */
.pdf-pqc-submode-group {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}
.pdf-pqc-submode-label {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
    padding: 0.75rem 1rem;
    border: 1px solid var(--pdf-border);
    border-radius: 8px;
    cursor: pointer;
    transition: border-color 0.2s, background 0.2s;
}
.pdf-pqc-submode-label:hover {
    border-color: var(--pdf-border-hover);
    background: var(--pdf-bg-card-hover);
}
.pdf-pqc-submode-label input[type="radio"] {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}
.pdf-pqc-submode-label:has(input:checked) {
    border-color: rgba(80, 180, 255, 0.5);
    background: rgba(80, 180, 255, 0.06);
}
.pdf-pqc-submode-title {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--pdf-text);
}
.pdf-pqc-submode-desc {
    font-size: 0.8rem;
    color: var(--pdf-text-dim);
    line-height: 1.4;
}

/* Private key display panel */
.pdf-pqc-key-panel {
    margin-top: 1.5rem;
    border: 1px solid rgba(255, 200, 0, 0.35);
    border-radius: 10px;
    background: rgba(255, 200, 0, 0.05);
    padding: 1rem 1.25rem;
}
.pdf-pqc-key-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 700;
    font-size: 0.95rem;
    color: var(--pdf-secondary);
    margin-bottom: 0.5rem;
}
.pdf-pqc-key-header-icon {
    font-size: 1.2rem;
}
.pdf-pqc-key-warning {
    font-size: 0.82rem;
    color: var(--pdf-text-dim);
    margin-bottom: 0.75rem;
    line-height: 1.4;
}
.pdf-pqc-key-warning code {
    font-family: monospace;
    background: rgba(255,255,255,0.06);
    padding: 0.1em 0.3em;
    border-radius: 3px;
}
.pdf-pqc-key-textarea {
    width: 100%;
    min-height: 100px;
    max-height: 180px;
    resize: vertical;
    font-family: monospace;
    font-size: 0.75rem;
    background: var(--pdf-bg-input);
    color: var(--pdf-text);
    border: 1px solid var(--pdf-border);
    border-radius: 6px;
    padding: 0.6rem 0.8rem;
    box-sizing: border-box;
    line-height: 1.5;
    word-break: break-all;
}
.pdf-pqc-key-actions {
    display: flex;
    gap: 0.6rem;
    margin-top: 0.75rem;
    flex-wrap: wrap;
}

/* ===== PDF Editor ===== */

.pdf-editor-wrapper {
    width: 100%;
    max-width: 1400px;
    position: relative;
}

/* ── Toolbar ── */
.pdf-editor-toolbar {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.4rem 0.75rem;
    padding: 0.65rem 1rem;
    background: var(--pdf-bg-card);
    border: 1px solid var(--pdf-border);
    border-radius: var(--pdf-radius);
    margin-bottom: 0.75rem;
}

.pdf-editor-tool-group {
    display: flex;
    align-items: center;
    gap: 0.3rem;
    flex-wrap: wrap;
}

.pdf-editor-tool-group-right {
    margin-left: auto;
}

.pdf-editor-sep {
    width: 1px;
    height: 28px;
    background: var(--pdf-border);
    flex-shrink: 0;
}

.pdf-editor-tool-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.3rem;
    padding: 0.35rem;
    min-width: 30px;
    min-height: 30px;
    background: var(--pdf-bg-panel);
    border: 1px solid var(--pdf-border);
    border-radius: var(--pdf-radius-sm);
    color: var(--pdf-text);
    font-size: 0.8rem;
    font-weight: 600;
    cursor: pointer;
    transition: background var(--pdf-transition), border-color var(--pdf-transition), color var(--pdf-transition);
    white-space: nowrap;
    line-height: 1;
}

.pdf-editor-tool-btn:hover {
    background: var(--pdf-bg-card-hover);
    border-color: var(--pdf-border-hover);
}

.pdf-editor-tool-btn.active {
    background: var(--pdf-primary);
    border-color: var(--pdf-primary);
    color: #000;
    box-shadow: 0 0 10px rgba(255,140,0,0.4);
}

.pdf-editor-tool-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

/* ── Toolbar controls ── */
.pdf-editor-ctrl-group {
    display: flex;
    align-items: center;
    gap: 0.35rem;
}

.pdf-editor-ctrl-label {
    font-size: 0.72rem;
    color: var(--pdf-text-dim);
    white-space: nowrap;
}

.pdf-editor-num {
    width: 3.5rem;
    padding: 0.3rem 0.4rem;
    background: var(--pdf-bg-input);
    border: 1px solid var(--pdf-border);
    border-radius: var(--pdf-radius-sm);
    color: var(--pdf-text);
    font-size: 0.8rem;
    text-align: center;
}

.pdf-editor-color {
    width: 32px;
    height: 30px;
    padding: 2px;
    background: var(--pdf-bg-input);
    border: 1px solid var(--pdf-border);
    border-radius: var(--pdf-radius-sm);
    cursor: pointer;
}

.pdf-editor-page-info {
    font-size: 0.8rem;
    color: var(--pdf-text);
    font-weight: 600;
    min-width: 3.5rem;
    text-align: center;
    white-space: nowrap;
}

/* ── Body layout ── */
.pdf-editor-body {
    display: flex;
    gap: 0.75rem;
    align-items: flex-start;
}

/* ── Sidebar ── */
.pdf-editor-sidebar {
    flex: 0 0 80px;
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
    max-height: 80vh;
    overflow-y: auto;
    overflow-x: hidden;
    padding-right: 2px;
}

.pdf-editor-sidebar::-webkit-scrollbar { width: 4px; }
.pdf-editor-sidebar::-webkit-scrollbar-track { background: transparent; }
.pdf-editor-sidebar::-webkit-scrollbar-thumb { background: var(--pdf-border); border-radius: 2px; }

.pdf-editor-thumb {
    width: 72px;
    height: 92px;
    padding: 0;
    background: var(--pdf-bg-card);
    border: 2px solid var(--pdf-border);
    border-radius: var(--pdf-radius-sm);
    color: var(--pdf-text-dim);
    font-size: 0.75rem;
    font-weight: 700;
    cursor: pointer;
    transition: border-color var(--pdf-transition), color var(--pdf-transition);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.2rem;
    flex-shrink: 0;
    overflow: hidden;
    position: relative;
}

.pdf-editor-thumb:hover {
    border-color: var(--pdf-primary-light);
    color: var(--pdf-text);
}

.pdf-editor-thumb.active {
    border-color: var(--pdf-primary);
    color: var(--pdf-primary);
    box-shadow: 0 0 8px rgba(255,140,0,0.3);
}

.pdf-editor-thumb[draggable="true"] { cursor: grab; }
.pdf-editor-thumb[draggable="true"]:active { cursor: grabbing; }

.pdf-thumb-dragging {
    opacity: 0.35;
    outline: 1px dashed var(--pdf-primary);
    outline-offset: 2px;
}

.pdf-thumb-drag-over {
    outline: 2px solid var(--pdf-primary);
    outline-offset: 2px;
    background: rgba(255,140,0,0.1);
}

.pdf-editor-thumb-label {
    font-size: 0.65rem;
    opacity: 0.7;
}

/* ── Canvas area ── */
.pdf-editor-canvas-area {
    flex: 1;
    overflow: auto;
    min-height: 60vh;
    max-height: 85vh;
    background: var(--pdf-bg-deep);
    border: 1px solid var(--pdf-border);
    border-radius: var(--pdf-radius);
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding: 1rem;
}

.pdf-editor-canvas-wrap {
    position: relative;
    display: inline-block;
    box-shadow: 0 4px 32px rgba(0,0,0,0.6);
    line-height: 0;
}

#editor-canvas {
    display: block;
    max-width: 100%;
}

.pdf-editor-text-input {
    position: absolute;
    display: none;
    background: transparent;
    border: 2px dashed var(--pdf-primary);
    border-radius: 2px;
    color: inherit;
    font-family: Helvetica, Arial, sans-serif;
    line-height: 1.3;
    padding: 2px 4px;
    resize: both;
    min-width: 60px;
    min-height: 24px;
    z-index: 10;
    outline: none;
}

/* ── Status bar ── */
.pdf-editor-status {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.5rem 0;
    font-size: 0.75rem;
    color: var(--pdf-text-dim);
    flex-wrap: wrap;
    gap: 0.5rem;
}

.pdf-editor-apply-wrap {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-top: 0.75rem;
}

.pdf-editor-spinner {
    display: inline-block;
    width: 18px;
    height: 18px;
    border: 2px solid var(--pdf-border);
    border-top-color: var(--pdf-primary);
    border-radius: 50%;
    animation: pdf-spin 0.7s linear infinite;
}

@keyframes pdf-spin {
    to { transform: rotate(360deg); }
}

/* ── Extra toolbar controls ── */
.pdf-editor-color-pick {
    width: 32px;
    height: 30px;
    padding: 2px;
    background: var(--pdf-bg-input);
    border: 1px solid var(--pdf-border);
    border-radius: var(--pdf-radius-sm);
    cursor: pointer;
}

.pdf-editor-font-family {
    padding: 0.3rem 0.4rem;
    background: var(--pdf-bg-input);
    border: 1px solid var(--pdf-border);
    border-radius: var(--pdf-radius-sm);
    color: var(--pdf-text);
    font-size: 0.8rem;
    width: 6.8rem;
    cursor: pointer;
}

.pdf-editor-font-size {
    padding: 0.3rem 0.4rem;
    background: var(--pdf-bg-input);
    border: 1px solid var(--pdf-border);
    border-radius: var(--pdf-radius-sm);
    color: var(--pdf-text);
    font-size: 0.8rem;
    width: 3.8rem;
}

.pdf-editor-sep-grow {
    flex: 1;
}

/* ── SVG tool icons ── */
.pdf-tool-svg {
    width: 16px;
    height: 16px;
    display: block;
    pointer-events: none;
    overflow: visible;
}

.pdf-tool-label {
    font-size: 0.72rem;
    line-height: 1;
    margin-top: 1px;
}

/* ── Text-style toggle buttons (bold / italic / align) ── */
.pdf-text-style-btn {
    min-width: 26px;
    padding: 0 0.3rem;
}

/* ── Dual colour pickers (stroke + fill) ── */
.pdf-editor-color-pair {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.pdf-editor-color-label-wrap {
    display: flex;
    align-items: center;
    gap: 3px;
}

.pdf-editor-color-label {
    font-size: 0.68rem;
    color: var(--pdf-text-dim);
    white-space: nowrap;
    line-height: 1;
    user-select: none;
    -webkit-user-select: none;
    min-width: 2.8ch;
}

/* ── Dash-style selector ── */
.pdf-editor-dash-sel {
    padding: 0.3rem 0.4rem;
    background: var(--pdf-bg-input);
    border: 1px solid var(--pdf-border);
    border-radius: var(--pdf-radius-sm);
    color: var(--pdf-text);
    font-size: 0.78rem;
    width: 7.4rem;
    cursor: pointer;
}

/* ── Custom stamp row inside the stamp popover ── */
.pdf-stamp-custom-row {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.4rem 0.6rem 0.2rem;
    border-top: 1px solid var(--pdf-border);
    margin-top: 0.25rem;
}

.pdf-stamp-custom-input {
    flex: 1;
    min-width: 0;
    padding: 0.28rem 0.5rem;
    background: var(--pdf-bg-input);
    border: 1px solid var(--pdf-border);
    border-radius: var(--pdf-radius-sm);
    color: var(--pdf-text);
    font-size: 0.8rem;
}

.pdf-stamp-custom-color {
    width: 28px;
    height: 26px;
    flex-shrink: 0;
}

/* ── New PDF button ── */
.pdf-editor-new-pdf-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
    min-width: 36px;
    padding: 0.3rem 0.4rem;
    color: var(--pdf-primary);
    border-color: rgba(255,140,0,0.25);
}

.pdf-editor-new-pdf-btn:hover {
    background: rgba(255,140,0,0.1);
    border-color: var(--pdf-primary);
}

/* ── "or Create New PDF" row below upload zone ── */
.pdf-edit-new-row {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    margin-top: 0.75rem;
}

.pdf-edit-new-sep {
    font-size: 0.85rem;
    color: var(--pdf-text-dim);
}

/* ── Toolbar drag-to-reorder ── */
.pdf-toolbar-drag-handle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--pdf-muted, #888);
    cursor: grab;
    font-size: 0.72rem;
    line-height: 1;
    padding: 0 3px 0 0;
    user-select: none;
    -webkit-user-select: none;
    flex-shrink: 0;
    opacity: 0.35;
    transition: opacity 0.15s, color 0.15s;
    touch-action: none;
}
.pdf-toolbar-drag-handle:hover {
    opacity: 1;
    color: var(--pdf-accent, #ff8c00);
}
.pdf-editor-tool-group[draggable="true"] {
    cursor: default;
    transition: opacity 0.15s, outline 0.1s;
}
.pdf-editor-tool-group.pdf-drag-dragging {
    opacity: 0.3;
    outline: 1px dashed var(--pdf-accent, #ff8c00);
    outline-offset: 2px;
}
.pdf-editor-tool-group.pdf-drag-over-before {
    box-shadow: -3px 0 0 0 var(--pdf-accent, #ff8c00);
    border-radius: var(--pdf-radius-sm, 4px) 0 0 var(--pdf-radius-sm, 4px);
}
.pdf-editor-tool-group.pdf-drag-over-after {
    box-shadow: 3px 0 0 0 var(--pdf-accent, #ff8c00);
    border-radius: 0 var(--pdf-radius-sm, 4px) var(--pdf-radius-sm, 4px) 0;
}

/* Touch ghost element while dragging on mobile */
.pdf-toolbar-drag-ghost {
    position: fixed;
    z-index: 9999;
    background: var(--pdf-bg-card, #1a2035);
    border: 1px solid var(--pdf-accent, #ff8c00);
    border-radius: var(--pdf-radius-sm, 4px);
    opacity: 0.7;
    pointer-events: none;
}

/* ── Action buttons in toolbar ── */
.pdf-editor-action-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.3rem;
    padding: 0.35rem 0.55rem;
    min-width: 30px;
    min-height: 30px;
    background: var(--pdf-bg-panel);
    border: 1px solid var(--pdf-border);
    border-radius: var(--pdf-radius-sm);
    color: var(--pdf-text);
    font-size: 0.8rem;
    font-weight: 600;
    cursor: pointer;
    transition: background var(--pdf-transition), border-color var(--pdf-transition);
    white-space: nowrap;
}

.pdf-editor-action-btn:hover {
    background: var(--pdf-bg-card-hover);
    border-color: var(--pdf-border-hover);
}

.pdf-editor-action-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.pdf-editor-clear-btn {
    color: var(--pdf-text-dim);
    font-size: 0.75rem;
}

.pdf-editor-close-btn {
    color: var(--pdf-text-dim);
    font-size: 0.75rem;
}

.pdf-editor-apply-btn {
    padding: 0.4rem 1.1rem;
    background: var(--pdf-primary);
    border: none;
    border-radius: var(--pdf-radius-sm);
    color: #000;
    font-size: 0.85rem;
    font-weight: 700;
    cursor: pointer;
    transition: background var(--pdf-transition), box-shadow var(--pdf-transition);
    white-space: nowrap;
}

.pdf-editor-apply-btn:hover {
    background: var(--pdf-primary-light);
    box-shadow: 0 0 12px rgba(255,140,0,0.4);
}

.pdf-editor-apply-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* ── Canvas element ── */
.pdf-editor-canvas {
    display: block;
    cursor: crosshair;
}

/* ── Thumbnail page number span ── */
.pdf-editor-thumb-num {
    font-size: 0.75rem;
    font-weight: 700;
}

/* ── Line width slider ── */
.pdf-editor-lw-wrap {
    display: flex;
    align-items: center;
    gap: 0.3rem;
}

.pdf-editor-lw-range {
    -webkit-appearance: none;
    appearance: none;
    width: 72px;
    height: 4px;
    border-radius: 2px;
    background: var(--pdf-border);
    outline: none;
    cursor: pointer;
}

.pdf-editor-lw-range::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: var(--pdf-primary);
    cursor: pointer;
    border: none;
}

.pdf-editor-lw-range::-moz-range-thumb {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: var(--pdf-primary);
    border: none;
    cursor: pointer;
}

.pdf-editor-lw-val {
    font-size: 0.72rem;
    color: var(--pdf-text-dim);
    min-width: 2.2rem;
    text-align: right;
}

/* ── Page navigation ── */
.pdf-editor-nav-btn {
    font-size: 1rem;
    font-weight: 700;
    padding: 0.25rem 0.55rem;
    line-height: 1;
}

.pdf-editor-page-counter {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--pdf-text);
    min-width: 3.5rem;
    text-align: center;
    white-space: nowrap;
}

/* ── Zoom select ── */
.pdf-editor-zoom-sel {
    padding: 0.3rem 0.4rem;
    background: var(--pdf-bg-input);
    border: 1px solid var(--pdf-border);
    border-radius: var(--pdf-radius-sm);
    color: var(--pdf-text);
    font-size: 0.8rem;
    width: 4.5rem;
    cursor: pointer;
}

/* ── Sidebar thumbnail canvas ── */
.pdf-editor-thumb-canvas {
    display: block;
    border-radius: 2px;
}

/* ── Stamp popover ── */
.pdf-editor-stamp-wrap {
    position: relative;
}

.pdf-stamp-popover {
    position: absolute;
    top: calc(100% + 6px);
    left: 0;
    z-index: 500;
    background: var(--pdf-bg-card);
    border: 1px solid var(--pdf-border);
    border-radius: var(--pdf-radius);
    box-shadow: 0 8px 32px rgba(0,0,0,0.5);
    padding: 0.35rem;
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
    min-width: 148px;
}

.pdf-stamp-popover[hidden] { display: none; }

.pdf-stamp-opt {
    background: none;
    border: none;
    padding: 0.35rem 0.75rem;
    text-align: left;
    font-size: 0.78rem;
    font-weight: 700;
    border-radius: var(--pdf-radius-sm);
    cursor: pointer;
    letter-spacing: 0.06em;
    transition: background var(--pdf-transition);
}

.pdf-stamp-opt:hover { background: rgba(255,255,255,0.09); }

/* ── PDF Editor modals (page numbers / header-footer) ── */
.pdf-edit-modal {
    position: fixed;
    inset: 0;
    background: rgba(4, 8, 16, 0.78);
    backdrop-filter: blur(4px);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
}

.pdf-edit-modal[hidden] { display: none; }

.pdf-edit-modal-box {
    background: var(--pdf-bg-card);
    border: 1px solid var(--pdf-border);
    border-radius: var(--pdf-radius-lg);
    padding: 1.5rem 1.75rem;
    min-width: 320px;
    max-width: 440px;
    width: 92vw;
    box-shadow: 0 0 48px rgba(0,0,0,0.65);
}

.pdf-edit-modal-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.25rem;
    font-weight: 700;
    font-size: 1rem;
    color: var(--pdf-text);
}

.pdf-edit-modal-close {
    background: none;
    border: none;
    color: var(--pdf-text-dim);
    font-size: 0.9rem;
    cursor: pointer;
    padding: 0.25rem 0.4rem;
    border-radius: var(--pdf-radius-sm);
    transition: color var(--pdf-transition), background var(--pdf-transition);
}

.pdf-edit-modal-close:hover {
    color: var(--pdf-text);
    background: rgba(255,255,255,0.08);
}

.pdf-edit-modal-body {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
    margin-bottom: 1.25rem;
}

.pdf-edit-modal-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.pdf-edit-modal-row label {
    font-size: 0.85rem;
    color: var(--pdf-text-muted);
    flex-shrink: 0;
    min-width: 72px;
}

.pdf-edit-modal-sel {
    padding: 0.3rem 0.4rem;
    background: var(--pdf-bg-input);
    border: 1px solid var(--pdf-border);
    border-radius: var(--pdf-radius-sm);
    color: var(--pdf-text);
    font-size: 0.82rem;
    min-width: 140px;
    flex: 1;
}

.pdf-edit-modal-num {
    width: 72px;
    padding: 0.3rem 0.4rem;
    background: var(--pdf-bg-input);
    border: 1px solid var(--pdf-border);
    border-radius: var(--pdf-radius-sm);
    color: var(--pdf-text);
    font-size: 0.85rem;
    text-align: center;
}

.pdf-edit-modal-text {
    flex: 1;
    padding: 0.3rem 0.5rem;
    background: var(--pdf-bg-input);
    border: 1px solid var(--pdf-border);
    border-radius: var(--pdf-radius-sm);
    color: var(--pdf-text);
    font-size: 0.85rem;
}

.pdf-edit-modal-foot {
    display: flex;
    gap: 0.75rem;
    justify-content: flex-end;
}

/* ── Signature pad modal ── */
.pdf-edit-sig-box {
    max-width: 520px;
}

.pdf-edit-sig-canvas {
    display: block;
    width: 100%;
    height: 180px;
    background: #fff;
    border: 1px solid var(--pdf-border);
    border-radius: var(--pdf-radius-sm);
    cursor: crosshair;
    margin-bottom: 1rem;
    touch-action: none;
}

/* ── QR code preview / error ── */
.pdf-edit-qr-preview {
    display: flex;
    justify-content: center;
    padding: 0.5rem 0;
}

.pdf-edit-qr-preview img {
    border: 1px solid var(--pdf-border);
    border-radius: var(--pdf-radius-sm);
}

.pdf-edit-qr-error {
    color: #e05050;
    font-size: 0.82rem;
    text-align: center;
    padding: 0.25rem 0;
}

/* ── Danger button (red) ── */
.pdf-editor-danger-btn {
    color: #e05050;
    border-color: rgba(224, 80, 80, 0.3);
}

.pdf-editor-danger-btn:hover {
    background: rgba(224, 80, 80, 0.1);
    border-color: #e05050;
}

/* ── Rotation label in toolbar ── */
.pdf-editor-rot-label {
    font-size: 0.75rem;
    color: var(--pdf-primary);
    font-weight: 700;
    padding: 0 0.2rem;
    white-space: nowrap;
}

/* ── Rotation badge on sidebar thumbnail ── */
.pdf-editor-rot-badge {
    position: absolute;
    top: 2px;
    right: 2px;
    background: var(--pdf-primary);
    color: #000;
    font-size: 0.55rem;
    font-weight: 700;
    padding: 1px 3px;
    border-radius: 2px;
    line-height: 1.3;
    pointer-events: none;
}

/* ── Responsive ── */
@media (max-width: 640px) {
    .pdf-editor-sidebar { display: none; }
    .pdf-editor-tool-group-right { margin-left: 0; }
    .pdf-editor-lw-range { width: 50px; }
}


/* ===== Watermark Canvas Preview ===== */
.pdf-wm-canvas-wrap {
    margin: 1rem 0;
    border: 1px solid var(--pdf-border-amber);
    border-radius: var(--pdf-radius);
    overflow: hidden;
    background: var(--pdf-bg-card);
}

.pdf-wm-canvas-wrap .pdf-subsection-label {
    padding: 0.5rem 1rem;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--pdf-primary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-bottom: 1px solid var(--pdf-border);
}

.pdf-wm-canvas-box {
    position: relative;
    display: flex;
    justify-content: center;
    padding: 0.75rem;
    background: #000;
}

.pdf-wm-canvas {
    max-width: 100%;
    height: auto;
    display: block;
    border-radius: 4px;
}

.pdf-wm-canvas-loading {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.6);
    color: var(--pdf-text-dim);
    font-size: 0.85rem;
    border-radius: 4px;
}

/* ===== Before/After Comparison Slider ===== */
.pdf-ba-wrap {
    margin: 1.5rem 0;
    border: 1px solid var(--pdf-border-amber);
    border-radius: var(--pdf-radius);
    overflow: hidden;
    background: var(--pdf-bg-card);
}

.pdf-ba-wrap .pdf-subsection-label {
    padding: 0.5rem 1rem;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--pdf-primary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-bottom: 1px solid var(--pdf-border);
    margin: 0;
}

.pdf-ba-container {
    position: relative;
    display: flex;
    justify-content: center;
    overflow: hidden;
    cursor: col-resize;
    background: #000;
    padding: 0.75rem;
}

.pdf-ba-canvas {
    max-width: 100%;
    height: auto;
    display: block;
    border-radius: 4px;
    user-select: none;
}

.pdf-ba-divider {
    position: absolute;
    top: 0;
    bottom: 0;
    left: 50%;
    width: 3px;
    background: var(--pdf-primary);
    cursor: col-resize;
    z-index: 10;
    transform: translateX(-50%);
}

.pdf-ba-divider::before,
.pdf-ba-divider::after {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    width: 20px;
}

.pdf-ba-divider::before { right: 100%; }
.pdf-ba-divider::after  { left: 100%; }

.pdf-ba-handle {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 32px;
    height: 32px;
    background: var(--pdf-primary);
    border-radius: 50%;
    border: 3px solid #fff;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.5);
    pointer-events: none;
}

.pdf-ba-label-left,
.pdf-ba-label-right {
    position: absolute;
    bottom: 1rem;
    font-size: 0.7rem;
    font-weight: 700;
    padding: 2px 8px;
    border-radius: 4px;
    background: rgba(0, 0, 0, 0.6);
    color: #fff;
    pointer-events: none;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.pdf-ba-label-left  { left: 1.25rem; }
.pdf-ba-label-right { right: 1.25rem; }

/* ===== Permissions Matrix ===== */
.pdf-perm-matrix {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin: 1rem 0 0.5rem;
    padding: 0.75rem 1rem;
    background: var(--pdf-bg-input);
    border: 1px solid var(--pdf-border);
    border-radius: var(--pdf-radius-sm);
}

.pdf-perm-matrix-row {
    display: flex;
    align-items: center;
    gap: 0.6rem;
}

.pdf-perm-icon {
    font-size: 1.1rem;
    width: 1.4rem;
    flex-shrink: 0;
}

.pdf-perm-label {
    flex: 1;
    font-size: 0.88rem;
    color: var(--pdf-text);
}

.pdf-perm-status {
    font-size: 0.8rem;
    font-weight: 700;
    padding: 2px 10px;
    border-radius: 20px;
    white-space: nowrap;
    transition: background var(--pdf-transition), color var(--pdf-transition);
}

.pdf-perm-allowed {
    background: rgba(0, 230, 118, 0.12);
    color: var(--pdf-green);
    border: 1px solid rgba(0, 230, 118, 0.25);
}

.pdf-perm-denied {
    background: rgba(255, 23, 68, 0.12);
    color: var(--pdf-red);
    border: 1px solid rgba(255, 23, 68, 0.25);
}

/* ===== Text Layer Scan Badge ===== */
.pdf-text-layer-badge {
    display: inline-block;
    margin: 0.5rem 0 0.25rem;
    padding: 0.3rem 0.75rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    line-height: 1.4;
}

.pdf-text-layer-scanning {
    background: rgba(255, 215, 0, 0.1);
    color: var(--pdf-gold);
    border: 1px solid rgba(255, 215, 0, 0.25);
}

.pdf-text-layer-ok {
    background: rgba(0, 230, 118, 0.1);
    color: var(--pdf-green);
    border: 1px solid rgba(0, 230, 118, 0.25);
}

.pdf-text-layer-warn {
    background: rgba(255, 140, 0, 0.1);
    color: var(--pdf-primary);
    border: 1px solid var(--pdf-border-amber);
}

/* ===== Pattern Count Badges (Redact) ===== */
.pdf-pattern-count-badge {
    display: inline-block;
    margin-left: 0.4rem;
    padding: 1px 7px;
    border-radius: 10px;
    font-size: 0.72rem;
    font-weight: 700;
    vertical-align: middle;
}

.pdf-pattern-count-found {
    background: rgba(255, 23, 68, 0.15);
    color: var(--pdf-red);
    border: 1px solid rgba(255, 23, 68, 0.3);
}

.pdf-pattern-count-none {
    background: rgba(90, 74, 56, 0.2);
    color: var(--pdf-text-dim);
    border: 1px solid var(--pdf-border);
}

/* ===== HTML Preview Card ===== */
.pdf-html-preview {
    margin: 0.5rem 0 0.75rem;
}

.pdf-html-preview-card {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    background: var(--pdf-bg-input);
    border: 1px solid var(--pdf-border-amber);
    border-radius: var(--pdf-radius-sm);
}

.pdf-html-preview-icon {
    font-size: 1.4rem;
    flex-shrink: 0;
    line-height: 1;
    margin-top: 0.1rem;
}

.pdf-html-preview-favicon {
    width: 20px;
    height: 20px;
    border-radius: 3px;
    flex-shrink: 0;
    margin-top: 0.1rem;
}

.pdf-html-preview-info {
    flex: 1;
    min-width: 0;
}

.pdf-html-preview-title {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--pdf-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.pdf-html-preview-desc {
    font-size: 0.78rem;
    color: var(--pdf-text-dim);
    margin-top: 0.2rem;
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}

/* ===== Sheet Picker (Excel→PDF) ===== */
.pdf-sheet-picker {
    margin: 0.75rem 0;
    padding: 0.75rem 1rem;
    background: var(--pdf-bg-input);
    border: 1px solid var(--pdf-border);
    border-radius: var(--pdf-radius-sm);
}

.pdf-sheet-picker .pdf-label {
    display: block;
    margin-bottom: 0.5rem;
}

.pdf-sheet-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
}

.pdf-sheet-item {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.3rem 0.7rem;
    background: var(--pdf-bg-card);
    border: 1px solid var(--pdf-border);
    border-radius: 20px;
    font-size: 0.82rem;
    color: var(--pdf-text);
    cursor: pointer;
    transition: border-color var(--pdf-transition), background var(--pdf-transition);
}

.pdf-sheet-item:hover {
    border-color: var(--pdf-border-amber);
    background: var(--pdf-bg-card-hover);
}

.pdf-sheet-cb {
    accent-color: var(--pdf-primary);
    width: 14px;
    height: 14px;
    cursor: pointer;
}

/* ===== Slide Info Badge (PPT→PDF) ===== */
.pdf-slide-info {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    margin: 0.5rem 0;
    padding: 0.35rem 0.8rem;
    background: rgba(255, 140, 0, 0.08);
    border: 1px solid var(--pdf-border-amber);
    border-radius: 20px;
    font-size: 0.82rem;
    color: var(--pdf-primary);
    font-weight: 600;
    width: fit-content;
}

.pdf-slide-info-icon {
    font-size: 1rem;
}

/* ===== Compare tool — page 1 preview panels ===== */
.pdf-compare-preview {
    margin-top: 0.6rem;
    border: 1px solid var(--pdf-border-amber);
    border-radius: var(--pdf-radius-sm);
    overflow: hidden;
    background: #000;
    position: relative;
    min-height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.pdf-compare-preview-loading {
    font-size: 0.75rem;
    color: var(--pdf-text-dim);
    padding: 1rem;
}

.pdf-compare-canvas {
    display: block;
    max-width: 100%;
    height: auto;
}

/* ===== PDF Info — quick-scan card ===== */
.pdf-quick-scan {
    margin: 0.75rem 0;
    border: 1px solid var(--pdf-border-amber);
    border-radius: var(--pdf-radius);
    overflow: hidden;
    background: var(--pdf-bg-card);
}

.pdf-quick-scan-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.55rem 1rem;
    background: rgba(255, 140, 0, 0.07);
    border-bottom: 1px solid var(--pdf-border);
}

.pdf-quick-scan-icon {
    font-size: 1rem;
}

.pdf-quick-scan-title {
    font-size: 0.78rem;
    font-weight: 700;
    color: var(--pdf-primary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    flex: 1;
}

.pdf-quick-scan-badge {
    font-size: 0.72rem;
    font-weight: 700;
    padding: 2px 10px;
    border-radius: 20px;
}

.pdf-quick-scan-badge-ok {
    background: rgba(0, 230, 118, 0.1);
    color: var(--pdf-green);
    border: 1px solid rgba(0, 230, 118, 0.25);
}

.pdf-quick-scan-badge-enc {
    background: rgba(255, 23, 68, 0.1);
    color: var(--pdf-red);
    border: 1px solid rgba(255, 23, 68, 0.25);
}

.pdf-quick-scan-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 0;
}

.pdf-qs-cell {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
    padding: 0.55rem 1rem;
    border-bottom: 1px solid var(--pdf-border);
    border-right: 1px solid var(--pdf-border);
}

.pdf-qs-cell-warn {
    background: rgba(255, 23, 68, 0.06);
}

.pdf-qs-label {
    font-size: 0.7rem;
    color: var(--pdf-text-dim);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.pdf-qs-value {
    font-size: 0.85rem;
    color: var(--pdf-text);
    font-weight: 500;
    word-break: break-word;
}

.pdf-quick-scan-thumb-wrap {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 0.75rem;
    background: #000;
    min-height: 40px;
}

.pdf-quick-scan-canvas {
    display: block;
    max-width: 100%;
    height: auto;
    border-radius: 3px;
}

.pdf-quick-scan-canvas-loading {
    font-size: 0.75rem;
    color: var(--pdf-text-dim);
}

/* ═══════════════════════════════════════════════════════════════════════════
   IMAGE-TO-PDF  — thumbnail strip + fit-mode visualizer
   ═══════════════════════════════════════════════════════════════════════════ */

/* Count label above strip */
.img-thumb-count {
    font-size: 0.72rem;
    color: var(--pdf-text-dim);
    letter-spacing: 0.04em;
    text-transform: uppercase;
    margin-bottom: 0.5rem;
    padding: 0 0.25rem;
}

/* Horizontal scrollable strip */
.img-thumb-strip {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
    padding: 0.5rem 0;
}

/* Individual thumbnail card */
.img-thumb-card {
    position: relative;
    width: 90px;
    flex-shrink: 0;
    background: var(--pdf-surface2);
    border: 1px solid var(--pdf-border);
    border-radius: 6px;
    overflow: hidden;
    cursor: grab;
    transition: border-color 0.15s, box-shadow 0.15s;
}

.img-thumb-card:hover {
    border-color: var(--pdf-primary);
    box-shadow: 0 0 8px rgba(255,140,0,0.2);
}

.img-thumb-card:active {
    cursor: grabbing;
}

/* Page-order badge (top-left) */
.img-thumb-badge {
    position: absolute;
    top: 4px;
    left: 4px;
    background: rgba(0,0,0,0.65);
    color: #fff;
    font-size: 0.6rem;
    font-weight: 700;
    line-height: 1;
    padding: 2px 5px;
    border-radius: 3px;
    z-index: 2;
    pointer-events: none;
}

/* Thumbnail image */
.img-thumb-img {
    display: block;
    width: 100%;
    height: 70px;
    object-fit: cover;
    border-bottom: 1px solid var(--pdf-border);
    pointer-events: none;
}

/* Drag handle (bottom-left overlay) */
.img-thumb-handle {
    position: absolute;
    bottom: 20px;
    left: 4px;
    font-size: 0.75rem;
    color: rgba(255,255,255,0.7);
    z-index: 2;
    pointer-events: none;
    text-shadow: 0 1px 2px rgba(0,0,0,0.8);
}

/* Remove button (top-right) */
.img-thumb-remove {
    position: absolute;
    top: 3px;
    right: 3px;
    width: 18px;
    height: 18px;
    padding: 0;
    background: rgba(0,0,0,0.6);
    border: none;
    border-radius: 50%;
    color: #fff;
    font-size: 0.65rem;
    line-height: 1;
    cursor: pointer;
    z-index: 3;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.15s, background 0.15s;
}

.img-thumb-card:hover .img-thumb-remove {
    opacity: 1;
}

.img-thumb-remove:hover {
    background: var(--pdf-red, #ff1744);
}

/* Filename label below the image */
.img-thumb-label {
    display: block;
    font-size: 0.62rem;
    color: var(--pdf-text-dim);
    padding: 3px 5px 4px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Drag states */
.img-thumb-dragging {
    opacity: 0.3;
    outline: 2px dashed var(--pdf-primary);
}

.img-thumb-over {
    outline: 2px solid var(--pdf-primary);
    box-shadow: 0 0 10px rgba(255,140,0,0.4);
}

/* ── Fit-mode visualizer ─────────────────────────────────────────────── */

.pdf-fit-note {
    display: flex;
    align-items: center;
    gap: 0.9rem;
    background: var(--pdf-surface2);
    border: 1px solid var(--pdf-border);
    border-radius: 8px;
    padding: 0.7rem 1rem;
    margin-top: 0.5rem;
}

.img-fit-diagram {
    flex-shrink: 0;
    line-height: 0;
}

.img-fit-svg {
    display: block;
    border-radius: 3px;
}

.img-fit-page-rect {
    fill: #0d1520;
    stroke: var(--pdf-border);
    stroke-width: 1;
}

.img-fit-desc {
    font-size: 0.78rem;
    color: var(--pdf-text-dim);
    line-height: 1.45;
}

/* ═══════════════════════════════════════════════════════════════════════════
   FORMAT FIDELITY BADGE  — convert.php + word-to-pdf.php
   ═══════════════════════════════════════════════════════════════════════════ */

.pdf-fidelity-panel {
    margin: 0.4rem 0 0.75rem;
}

.pdf-fidelity-wrap {
    display: flex;
    flex-direction: column;
    gap: 0;
    border: 1px solid var(--pdf-border);
    border-radius: 8px;
    overflow: hidden;
}

.pdf-fidelity-row {
    display: grid;
    grid-template-columns: 52px 80px 1fr;
    align-items: center;
    gap: 0.5rem;
    padding: 0.45rem 0.85rem;
    border-bottom: 1px solid var(--pdf-border);
    opacity: 0.5;
    transition: opacity 0.15s;
}

.pdf-fidelity-row:last-child {
    border-bottom: none;
}

.pdf-fidelity-row-active {
    opacity: 1;
    background: rgba(255,140,0,0.06);
}

.pdf-fidelity-name {
    font-size: 0.72rem;
    font-weight: 700;
    font-family: monospace;
    color: var(--pdf-primary);
    letter-spacing: 0.02em;
}

.pdf-fidelity-stars {
    display: flex;
    gap: 1px;
    white-space: nowrap;
}

.pdf-fidelity-star {
    font-size: 0.8rem;
    color: var(--pdf-border);
    transition: color 0.1s;
}

.pdf-fidelity-star-on {
    color: var(--pdf-primary);
}

.pdf-fidelity-row-active .pdf-fidelity-star-on {
    color: #ffd700;
}

.pdf-fidelity-note {
    font-size: 0.75rem;
    color: var(--pdf-text-dim);
    line-height: 1.35;
}

.pdf-fidelity-row-active .pdf-fidelity-note {
    color: var(--pdf-text);
}

/* ===== Sign PDF — Placement Preview ===== */
.pdf-placement-preview-wrap {
    margin: 1.25rem 0 0;
}

.pdf-placement-preview-label {
    font-size: 0.8rem;
    color: var(--pdf-text-dim);
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.pdf-placement-preview-label strong {
    color: var(--pdf-text);
}

.pdf-placement-preview-canvas {
    display: block;
    width: 100%;
    max-width: 480px;
    border: 1px solid var(--pdf-border);
    border-radius: var(--pdf-radius-sm);
    background: #fff;
    box-shadow: 0 2px 10px rgba(0,0,0,0.4);
}

/* ===== Flatten / Repair — Scan Card ===== */
.pdf-scan-card {
    background: var(--pdf-bg-card);
    border: 1px solid var(--pdf-border-amber);
    border-radius: var(--pdf-radius-sm);
    padding: 1rem 1.25rem;
    margin: 1rem 0;
    display: flex;
    align-items: flex-start;
    gap: 0.85rem;
}

.pdf-scan-card-icon {
    font-size: 1.5rem;
    flex-shrink: 0;
    line-height: 1;
}

.pdf-scan-card-body {
    flex: 1;
}

.pdf-scan-card-title {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--pdf-text);
    margin-bottom: 0.35rem;
}

.pdf-scan-card-detail {
    font-size: 0.8rem;
    color: var(--pdf-text-dim);
    line-height: 1.45;
}

.pdf-scan-card-detail strong {
    color: var(--pdf-primary);
    font-weight: 600;
}

.pdf-scan-card-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 0.5rem;
}

.pdf-scan-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    padding: 0.2rem 0.55rem;
    border-radius: 20px;
    font-size: 0.72rem;
    font-weight: 600;
    background: rgba(255,140,0,0.12);
    border: 1px solid var(--pdf-border-amber);
    color: var(--pdf-primary-light);
}

.pdf-scan-badge-green {
    background: rgba(0,230,118,0.10);
    border-color: rgba(0,230,118,0.25);
    color: var(--pdf-green);
}

.pdf-scan-badge-red {
    background: rgba(255,23,68,0.10);
    border-color: rgba(255,23,68,0.25);
    color: var(--pdf-red);
}

/* ===== Unlock — Encryption Badge ===== */
.pdf-encrypt-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.3rem 0.75rem;
    border-radius: 20px;
    font-size: 0.78rem;
    font-weight: 600;
    margin-top: 0.5rem;
    border: 1px solid;
}

.pdf-encrypt-badge-locked {
    background: rgba(255,140,0,0.12);
    border-color: var(--pdf-border-amber);
    color: var(--pdf-primary-light);
}

.pdf-encrypt-badge-unlocked {
    background: rgba(0,230,118,0.08);
    border-color: rgba(0,230,118,0.25);
    color: var(--pdf-green);
}

/* ===== To-Images — DPI Preview ===== */
.pdf-dpi-preview-wrap {
    margin: 1rem 0 0.5rem;
}

.pdf-dpi-preview-label {
    font-size: 0.8rem;
    color: var(--pdf-text-dim);
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.pdf-dpi-preview-label strong {
    color: var(--pdf-text);
}

.pdf-dpi-preview-canvas {
    display: block;
    width: 100%;
    max-width: 360px;
    border: 1px solid var(--pdf-border);
    border-radius: var(--pdf-radius-sm);
    background: #fff;
    box-shadow: 0 2px 10px rgba(0,0,0,0.4);
}

.pdf-dpi-preview-hint {
    font-size: 0.72rem;
    color: var(--pdf-text-muted);
    margin-top: 0.35rem;
}

/* ── Page thumbnail right-click context menu ── */
.pdf-thumb-ctx-menu {
    position: fixed;
    z-index: 9000;
    background: var(--pdf-bg-card);
    border: 1px solid var(--pdf-border-hover);
    border-radius: var(--pdf-radius-sm);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.65);
    padding: 0.3rem 0;
    min-width: 188px;
    outline: none;
}

.pdf-thumb-ctx-menu[hidden] { display: none; }

.pdf-thumb-ctx-menu-item {
    display: block;
    width: 100%;
    padding: 0.44rem 1rem;
    background: none;
    border: none;
    text-align: left;
    font-size: 0.82rem;
    color: var(--pdf-text);
    cursor: pointer;
    white-space: nowrap;
    line-height: 1.3;
    transition: background var(--pdf-transition), color var(--pdf-transition);
}

.pdf-thumb-ctx-menu-item:hover {
    background: var(--pdf-bg-card-hover);
    color: var(--pdf-primary-light);
}

.pdf-thumb-ctx-menu-item:disabled {
    opacity: 0.38;
    cursor: default;
}

.pdf-thumb-ctx-menu-item.pdf-ctx-danger {
    color: var(--pdf-red);
}

.pdf-thumb-ctx-menu-item.pdf-ctx-danger:hover {
    background: rgba(255, 23, 68, 0.09);
    color: var(--pdf-red);
}

.pdf-thumb-ctx-menu-sep {
    height: 1px;
    background: var(--pdf-border);
    margin: 0.28rem 0;
}

/* ── Edit PDF session timer badge (fixed bottom-right) ── */
.pdf-session-timer-badge {
    position: absolute;
    bottom: 1rem;
    right: 1rem;
    z-index: 200;
}

.pdf-session-timer-badge[hidden] { display: none; }

.pdf-session-timer-badge-inner {
    display: flex;
    align-items: center;
    gap: 0.45rem;
    padding: 0.45rem 0.85rem 0.45rem 0.7rem;
    background: var(--pdf-bg-card);
    border: 1.5px solid var(--pdf-border-amber);
    border-radius: 2rem;
    box-shadow: 0 4px 18px rgba(0, 0, 0, 0.55), 0 0 12px rgba(255, 140, 0, 0.15);
    cursor: default;
    transition: border-color 0.35s, box-shadow 0.35s;
    user-select: none;
}

.pdf-session-timer-badge:hover .pdf-session-timer-badge-inner {
    border-color: var(--pdf-primary);
    box-shadow: 0 4px 22px rgba(0, 0, 0, 0.6), 0 0 18px rgba(255, 140, 0, 0.28);
}

.pdf-session-timer-icon {
    font-size: 0.9rem;
    line-height: 1;
    opacity: 0.85;
}

.pdf-session-timer {
    font-size: 0.88rem;
    font-weight: 700;
    font-variant-numeric: tabular-nums;
    letter-spacing: 0.02em;
    color: var(--pdf-primary-light);
    min-width: 2.9rem;
    transition: color 0.4s;
}

.pdf-session-timer-amber {
    color: var(--pdf-primary);
}

.pdf-session-timer-red {
    color: var(--pdf-red);
    animation: pdf-timer-pulse 1s ease-in-out infinite;
}

@keyframes pdf-timer-pulse {
    0%, 100% { opacity: 1; }
    50%       { opacity: 0.45; }
}

.pdf-session-timer-badge:has(.pdf-session-timer-amber) .pdf-session-timer-badge-inner {
    border-color: rgba(255, 140, 0, 0.6);
}

.pdf-session-timer-badge:has(.pdf-session-timer-red) .pdf-session-timer-badge-inner {
    border-color: rgba(255, 23, 68, 0.6);
    box-shadow: 0 4px 18px rgba(0, 0, 0, 0.55), 0 0 14px rgba(255, 23, 68, 0.25);
}

/* Tooltip — opens upward from badge */
.pdf-session-timer-tooltip {
    position: absolute;
    bottom: calc(100% + 10px);
    right: 0;
    width: 260px;
    z-index: 9000;
    background: var(--pdf-bg-card);
    border: 1px solid var(--pdf-border-hover);
    border-radius: var(--pdf-radius-sm);
    box-shadow: 0 8px 28px rgba(0, 0, 0, 0.6);
    padding: 0.75rem 1rem;
    font-size: 0.8rem;
    line-height: 1.55;
    color: var(--pdf-text-dim);
    pointer-events: none;
    opacity: 0;
    transform: translateY(6px);
    transition: opacity 0.2s ease, transform 0.2s ease;
    white-space: normal;
}

.pdf-session-timer-tooltip strong {
    color: var(--pdf-text);
    display: block;
    margin-bottom: 0.5rem;
    font-size: 0.82rem;
}

.pdf-session-timer-tooltip p {
    margin: 0 0 0.45rem;
}

.pdf-session-timer-tooltip p:last-child {
    margin-bottom: 0;
}

.pdf-session-timer-badge:hover .pdf-session-timer-tooltip {
    opacity: 1;
    transform: translateY(0);
}

/* ── Edit PDF session expiry warning banner ── */
.pdf-session-warning {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.55rem 1rem;
    background: rgba(255, 140, 0, 0.12);
    border: 1px solid rgba(255, 140, 0, 0.4);
    border-radius: var(--pdf-radius-sm);
    margin: 0.4rem 0.5rem 0;
    font-size: 0.82rem;
    color: var(--pdf-primary-light);
}

.pdf-session-warning[hidden] { display: none; }

.pdf-session-warning-icon {
    flex-shrink: 0;
}

.pdf-session-warning-dismiss {
    margin-left: auto;
    flex-shrink: 0;
    background: none;
    border: 1px solid rgba(255, 140, 0, 0.35);
    border-radius: var(--pdf-radius-sm);
    color: var(--pdf-text-dim);
    font-size: 0.75rem;
    padding: 0.15rem 0.55rem;
    cursor: pointer;
    transition: border-color var(--pdf-transition), color var(--pdf-transition);
}

.pdf-session-warning-dismiss:hover {
    border-color: var(--pdf-primary);
    color: var(--pdf-text);
}

/* ═══════════════════════════════════════════════════════════════════════════
   OCR Tool — Stats bar, confidence bar, text preview, tabs
   ═══════════════════════════════════════════════════════════════════════════ */

/* ===== OCR Result Layout ===== */

/* Column-stack layout — overrides flex-row default of .pdf-result */
.pdf-result-ocr {
    flex-direction: column;
    gap: 0;
}

/* Header row: icon + text body side by side */
.pdf-result-ocr-header {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    width: 100%;
}

/* ===== OCR Stats Bar ===== */

/* Stats bar — row of stat tiles */
.pdf-ocr-stats {
    display: flex;
    flex-wrap: wrap;
    gap: 0.65rem;
    padding: 1rem;
    background: rgba(255, 140, 0, 0.06);
    border: 1px solid rgba(255, 140, 0, 0.18);
    border-radius: var(--pdf-radius);
    margin-top: 1.25rem;
}

.pdf-ocr-stat {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.2rem;
    min-width: 90px;
    flex: 1 1 90px;
    padding: 0.55rem 0.75rem;
    background: rgba(12, 21, 37, 0.7);
    border: 1px solid var(--pdf-border);
    border-radius: var(--pdf-radius-sm);
    text-align: center;
}

.pdf-ocr-stat-value {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--pdf-primary);
    line-height: 1.2;
}

.pdf-ocr-stat-label {
    font-size: 0.72rem;
    color: var(--pdf-text-dim);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

/* Confidence bar row */
.pdf-ocr-confidence-row {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    width: 100%;
    padding: 0.5rem 0 0;
}

.pdf-ocr-confidence-bar {
    flex: 1;
    height: 8px;
    background: rgba(255, 255, 255, 0.07);
    border-radius: 4px;
    overflow: hidden;
}

.pdf-ocr-confidence-fill {
    height: 100%;
    border-radius: 4px;
    transition: width 0.6s cubic-bezier(0.22, 1, 0.36, 1);
}

.pdf-ocr-confidence-high { background: linear-gradient(90deg, #00c853, #00e676); }
.pdf-ocr-confidence-mid  { background: linear-gradient(90deg, #ff8c00, #ffd700); }
.pdf-ocr-confidence-low  { background: linear-gradient(90deg, #ff1744, #ff6b35); }

.pdf-ocr-confidence-label {
    font-size: 0.78rem;
    color: var(--pdf-text-dim);
    white-space: nowrap;
    flex-shrink: 0;
}

/* Preview content panel — toggled inline below stats */
.pdf-ocr-preview-content {
    margin-top: 1rem;
    border: 1px solid var(--pdf-border);
    border-radius: var(--pdf-radius);
    padding: 1rem;
    background: rgba(4, 8, 16, 0.6);
}

.pdf-ocr-preview-loading {
    color: var(--pdf-text-dim);
    font-size: 0.85rem;
    padding: 0.25rem 0;
}

/* Extracted text display */
.pdf-ocr-text-preview {
    font-family: 'Courier New', Courier, monospace;
    font-size: 0.82rem;
    line-height: 1.65;
    color: var(--pdf-text);
    white-space: pre-wrap;
    word-break: break-word;
    max-height: 480px;
    overflow-y: auto;
    margin: 0;
    padding: 0;
    scrollbar-width: thin;
    scrollbar-color: var(--pdf-border) transparent;
}

.pdf-ocr-text-preview::-webkit-scrollbar { width: 5px; }
.pdf-ocr-text-preview::-webkit-scrollbar-thumb {
    background: var(--pdf-border);
    border-radius: 2px;
}

/* ===== Info card warning variant ===== */
.pdf-info-card-warn {
    border-left-color: rgba(255, 213, 0, 0.6);
    background: rgba(255, 213, 0, 0.04);
}

/* ===== DPI hint tags ===== */
.pdf-ocr-hint-tag {
    font-size: 0.72rem;
    color: var(--pdf-text-dim);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 3px;
    padding: 0.1rem 0.45rem;
    vertical-align: middle;
    font-style: italic;
}

.pdf-badge-recommended {
    display: inline-block;
    font-size: 0.68rem;
    font-weight: 600;
    background: rgba(0, 230, 118, 0.15);
    color: #00e676;
    border: 1px solid rgba(0, 230, 118, 0.3);
    border-radius: 3px;
    padding: 0.08rem 0.45rem;
    vertical-align: middle;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

/* ===== OCR Feature Cards ===== */
.pdf-ocr-features {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 0.85rem;
    margin-top: 2rem;
}

.pdf-ocr-feature-card {
    display: flex;
    align-items: flex-start;
    gap: 0.9rem;
    padding: 1rem 1.1rem;
    background: rgba(12, 21, 37, 0.65);
    border: 1px solid var(--pdf-border);
    border-radius: var(--pdf-radius);
    transition: border-color var(--pdf-transition), background var(--pdf-transition);
}

.pdf-ocr-feature-card:hover {
    border-color: rgba(255, 140, 0, 0.35);
    background: rgba(255, 140, 0, 0.04);
}

.pdf-ocr-feature-icon {
    font-size: 1.5rem;
    line-height: 1;
    flex-shrink: 0;
    margin-top: 0.05rem;
}

.pdf-ocr-feature-body {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
}

.pdf-ocr-feature-title {
    font-size: 0.88rem;
    font-weight: 700;
    color: var(--pdf-text);
    line-height: 1.3;
}

.pdf-ocr-feature-desc {
    font-size: 0.78rem;
    color: var(--pdf-text-dim);
    line-height: 1.55;
}

@media (max-width: 480px) {
    .pdf-ocr-stat { min-width: 70px; }
    .pdf-ocr-stat-value { font-size: 1rem; }
    .pdf-ocr-confidence-row { flex-direction: column; align-items: flex-start; gap: 0.3rem; }
    .pdf-ocr-confidence-label { font-size: 0.72rem; }
    .pdf-ocr-features { grid-template-columns: 1fr; }
}