/* ============================================
   Unlock PDF
   Prefix: updf- (avoids custom_styles.css conflicts)
   Primary: #339966 (green - security/success action)
   Light mode default | Dark mode via [data-theme="dark"]
   ============================================ */

:root {
    --updf-transition: 0.25s;

    --updf-primary:       #339966;
    --updf-primary-light: rgba(51,153,102,0.1);
    --updf-primary-dark:  #267a52;
    --updf-blue:          #3399cc;
    --updf-blue-light:    rgba(51,153,204,0.1);
    --updf-amber:         #f59e0b;
    --updf-amber-light:   rgba(245,158,11,0.1);
    --updf-danger:        #e64e4e;
    --updf-danger-light:  rgba(230,78,78,0.1);
    --updf-warning-light: rgba(245,158,11,0.12);

    --updf-bg:           #f0faf5;
    --updf-bg-elevated:  #ffffff;
    --updf-bg-secondary: #f1f5f9;
    --updf-bg-tertiary:  #e2e8f0;

    --updf-text:      #1e293b;
    --updf-text-sec:  #475569;
    --updf-text-muted:#64748b;

    --updf-border:       #d1d5db;
    --updf-border-light: #e2e8f0;

    --updf-shadow-sm:      0 1px 3px rgba(0,0,0,0.08);
    --updf-shadow-md:      0 4px 12px rgba(0,0,0,0.1);
    --updf-shadow-lg:      0 10px 24px rgba(0,0,0,0.12);
    --updf-shadow-primary: 0 4px 14px rgba(51,153,102,0.3);
    --updf-shadow-prim-hv: 0 6px 20px rgba(51,153,102,0.4);

    --updf-radius-sm:   6px;
    --updf-radius-md:   12px;
    --updf-radius-lg:   16px;
    --updf-radius-xl:   24px;
    --updf-radius-full: 9999px;
}

[data-theme="dark"] {
    --updf-primary:       #4ade80;
    --updf-primary-light: rgba(74,222,128,0.15);
    --updf-primary-dark:  #22c55e;
    --updf-blue:          #5bb8e8;
    --updf-blue-light:    rgba(91,184,232,0.15);
    --updf-amber:         #fbbf24;
    --updf-amber-light:   rgba(251,191,36,0.15);
    --updf-danger:        #f87171;
    --updf-danger-light:  rgba(248,113,113,0.15);
    --updf-warning-light: rgba(251,191,36,0.15);

    --updf-bg:           #0a1a12;
    --updf-bg-elevated:  #1e293b;
    --updf-bg-secondary: #334155;
    --updf-bg-tertiary:  #475569;

    --updf-text:      #f1f5f9;
    --updf-text-sec:  #cbd5e1;
    --updf-text-muted:#94a3b8;

    --updf-border:       #334155;
    --updf-border-light: #475569;

    --updf-shadow-sm:      0 1px 3px rgba(0,0,0,0.3);
    --updf-shadow-md:      0 4px 12px rgba(0,0,0,0.4);
    --updf-shadow-lg:      0 10px 24px rgba(0,0,0,0.5);
    --updf-shadow-primary: 0 4px 14px rgba(74,222,128,0.2);
    --updf-shadow-prim-hv: 0 6px 20px rgba(74,222,128,0.3);
}

* { box-sizing: border-box; }

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--updf-bg);
    color: var(--updf-text);
    line-height: 1.6;
    margin: 0; padding: 0;
    transition: background-color var(--updf-transition), color var(--updf-transition);
}

/* ── Layout ───────────────────────────────────────── */
.updf-container { max-width: 1000px; margin: 0 auto; padding: 2rem; }

/* ── Header ───────────────────────────────────────── */
.updf-header { text-align: center; margin-bottom: 2rem; }

.updf-title-row {
    display: flex; align-items: center; justify-content: center;
    gap: 1rem; margin-bottom: 1rem;
}

.updf-icon-wrapper {
    width: 64px; height: 64px;
    background: var(--updf-primary);
    border-radius: var(--updf-radius-lg);
    display: flex; align-items: center; justify-content: center;
    color: #fff;
    box-shadow: var(--updf-shadow-primary);
    flex-shrink: 0;
}

.updf-title {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 700; margin: 0;
    color: var(--updf-primary);
    letter-spacing: -0.02em;
}

.updf-description {
    font-size: 1.05rem; color: var(--updf-text-sec);
    max-width: 800px; margin: 0 auto; line-height: 1.75;
}
.updf-description a { color: var(--updf-primary); text-decoration: none; font-weight: 500; }
.updf-description a:hover { text-decoration: underline; }

/* ── Main Card ────────────────────────────────────── */
.updf-main {
    background: var(--updf-bg-elevated);
    border-radius: var(--updf-radius-xl);
    box-shadow: var(--updf-shadow-lg);
    border: 1px solid var(--updf-border);
    margin-bottom: 2rem;
    overflow: visible;
    transition: background-color var(--updf-transition), border-color var(--updf-transition);
}

/* ── Upload ───────────────────────────────────────── */
.updf-upload-section { padding: 2.5rem; }

.updf-upload-area {
    border: 2px dashed var(--updf-border);
    border-radius: var(--updf-radius-lg);
    padding: 3.5rem 2rem; text-align: center; cursor: pointer;
    transition: all 0.3s ease;
    background: var(--updf-bg-secondary);
    position: relative; overflow: hidden;
}
.updf-upload-area::before {
    content: ''; position: absolute; inset: 0;
    background: var(--updf-primary-light); opacity: 0;
    transition: opacity 0.3s;
}
.updf-upload-area:hover, .updf-upload-area.dragover {
    border-color: var(--updf-primary); background: var(--updf-bg);
    transform: translateY(-2px); box-shadow: var(--updf-shadow-md);
}
.updf-upload-area:hover::before, .updf-upload-area.dragover::before { opacity: 1; }

.updf-upload-content { position: relative; z-index: 1; }
.updf-upload-icon { color: var(--updf-primary); margin-bottom: 1.25rem; transition: transform 0.3s; }
.updf-upload-area:hover .updf-upload-icon { transform: translateY(-6px); }
.updf-upload-title { font-size: 1.4rem; font-weight: 700; color: var(--updf-text); margin: 0 0 0.5rem; }
.updf-upload-subtitle { color: var(--updf-text-muted); margin: 0 0 1rem; }

.updf-file-types { display: flex; gap: 0.5rem; justify-content: center; flex-wrap: wrap; margin-bottom: 1rem; }
.updf-badge {
    background: var(--updf-primary-light); color: var(--updf-primary);
    padding: 0.35rem 0.85rem; border-radius: var(--updf-radius-full);
    font-size: 0.8rem; font-weight: 600;
}

.updf-upload-hint {
    display: inline-flex; align-items: center; gap: 0.5rem;
    color: var(--updf-text-muted); font-size: 0.875rem;
}

/* ── How it works chips ───────────────────────────── */
.updf-how-row {
    display: flex; align-items: center; justify-content: center;
    gap: 0.75rem; flex-wrap: wrap; margin-top: 1.5rem;
}
.updf-how-chip {
    display: flex; align-items: center; gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: var(--updf-bg-secondary);
    border: 1px solid var(--updf-border);
    border-radius: var(--updf-radius-full);
    font-size: 0.82rem; font-weight: 600; color: var(--updf-text-sec);
}
.updf-how-icon {
    width: 26px; height: 26px; border-radius: 50%;
    display: flex; align-items: center; justify-content: center; color: #fff; flex-shrink: 0;
}
.updf-chip-1 { background: var(--updf-blue); }
.updf-chip-2 { background: var(--updf-primary); }
.updf-chip-3 { background: var(--updf-primary-dark); }
.updf-how-arrow { color: var(--updf-text-muted); }
.updf-how-arrow svg { width: 14px; height: 14px; }

/* ── Password Section ─────────────────────────────── */
.updf-password-section { padding: 2.5rem; animation: updf-fadeIn 0.35s ease; }

.updf-password-card {
    max-width: 480px; margin: 0 auto; text-align: center;
}

.updf-pw-icon {
    width: 64px; height: 64px;
    background: var(--updf-amber-light);
    border-radius: var(--updf-radius-full);
    display: flex; align-items: center; justify-content: center;
    color: var(--updf-amber);
    margin: 0 auto 1.25rem;
}

.updf-pw-title {
    font-size: 1.5rem; font-weight: 700; color: var(--updf-text); margin: 0 0 0.5rem;
}
.updf-pw-sub {
    color: var(--updf-text-muted); margin: 0 0 1.25rem; font-size: 0.95rem; line-height: 1.6;
}

.updf-pw-file-info {
    display: inline-flex; align-items: center; gap: 0.4rem;
    padding: 0.4rem 0.9rem;
    background: var(--updf-bg-secondary);
    border: 1px solid var(--updf-border);
    border-radius: var(--updf-radius-full);
    font-size: 0.8rem; color: var(--updf-text-sec); font-weight: 500;
    margin-bottom: 1.5rem; max-width: 100%; overflow: hidden;
}
.updf-pw-file-info svg { color: var(--updf-primary); flex-shrink: 0; width: 16px; height: 16px; }
.updf-pw-file-info span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.updf-pw-form { text-align: left; }

.updf-pw-input-wrap {
    position: relative; display: flex; align-items: center; margin-bottom: 0.75rem;
}
.updf-pw-input-icon {
    position: absolute; left: 14px; color: var(--updf-text-muted); pointer-events: none;
}
.updf-pw-input {
    width: 100%;
    padding: 0.85rem 2.75rem 0.85rem 2.75rem;
    border: 2px solid var(--updf-border);
    border-radius: var(--updf-radius-md);
    background: var(--updf-bg-elevated); color: var(--updf-text);
    font-size: 1rem; transition: border-color 0.2s;
}
.updf-pw-input:focus {
    outline: none; border-color: var(--updf-primary);
    box-shadow: 0 0 0 3px var(--updf-primary-light);
}
.updf-pw-input::placeholder { color: var(--updf-text-muted); }

/* defeat custom_styles.css input[type] overrides */
.updf-container input[type="password"].updf-pw-input {
    background: var(--updf-bg-elevated) !important;
    border: 2px solid var(--updf-border) !important;
    box-shadow: none !important;
}
.updf-container input[type="password"].updf-pw-input:focus {
    border-color: var(--updf-primary) !important;
    box-shadow: 0 0 0 3px var(--updf-primary-light) !important;
}

.updf-container .updf-pw-toggle {
    position: absolute; right: 10px;
    background: none !important; border: none !important;
    color: var(--updf-text-muted) !important;
    cursor: pointer; padding: 6px;
    border-radius: var(--updf-radius-sm);
    display: flex; align-items: center; justify-content: center;
    box-shadow: none !important; transform: none !important;
    transition: color 0.2s;
}
.updf-container .updf-pw-toggle:hover {
    color: var(--updf-primary) !important;
    background: none !important; transform: none !important;
}

.updf-pw-error {
    display: flex; align-items: center; gap: 0.5rem;
    padding: 0.6rem 0.875rem;
    background: var(--updf-danger-light);
    border-radius: var(--updf-radius-md);
    color: var(--updf-danger); font-size: 0.85rem; font-weight: 500;
    margin-bottom: 0.75rem;
}
.updf-pw-error svg { width: 15px; height: 15px; flex-shrink: 0; }

.updf-pw-actions {
    display: flex; gap: 0.75rem; margin-bottom: 1rem;
}
.updf-pw-actions .updf-btn { flex: 1; }

.updf-pw-note {
    display: flex; align-items: center; gap: 0.4rem; justify-content: center;
    font-size: 0.78rem; color: var(--updf-text-muted); margin: 0;
}
.updf-pw-note svg { width: 13px; height: 13px; color: var(--updf-primary); }

/* ── Processing Overlay ────────────────────────────── */
.updf-processing-overlay {
    position: fixed; inset: 0;
    background: rgba(0,0,0,0.55);
    display: flex; align-items: center; justify-content: center;
    z-index: 9000;
    backdrop-filter: blur(2px); -webkit-backdrop-filter: blur(2px);
}

.updf-processing-card {
    background: var(--updf-bg-elevated);
    border-radius: var(--updf-radius-xl);
    padding: 2rem 2.5rem; text-align: center;
    box-shadow: 0 25px 60px rgba(0,0,0,0.35);
    min-width: 320px; max-width: 400px; width: 90%;
    border: 1px solid var(--updf-border);
}

.updf-progress-stages { display: flex; align-items: center; justify-content: center; margin-bottom: 1.75rem; }
.updf-stage-dot { display: flex; flex-direction: column; align-items: center; gap: 0.3rem; color: var(--updf-text-muted); transition: color 0.3s; }
.updf-stage-icon {
    width: 20px; height: 20px; padding: 7px;
    background: var(--updf-bg-secondary); border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    transition: all 0.3s; box-sizing: content-box;
}
.updf-stage-icon svg { width: 14px; height: 14px; display: block; }
.updf-stage-dot span { font-size: 0.65rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.04em; }
.updf-stage-dot.active .updf-stage-icon { background: var(--updf-primary); color: #fff; }
.updf-stage-dot.active                   { color: var(--updf-primary); }
.updf-stage-dot.done   .updf-stage-icon  { background: var(--updf-primary-dark); color: #fff; }
.updf-stage-dot.done                     { color: var(--updf-primary-dark); }
.updf-stage-connector { width: 28px; height: 2px; background: var(--updf-border); margin: 0 0.25rem 1.1rem; flex-shrink: 0; }

.updf-css-spinner {
    width: 44px; height: 44px;
    border: 4px solid var(--updf-border);
    border-top-color: var(--updf-primary);
    border-radius: 50%;
    animation: updf-spin 0.8s linear infinite;
    margin: 0 auto 1.25rem;
}

.updf-progress-bar-wrap {
    height: 6px; background: var(--updf-border);
    border-radius: var(--updf-radius-full); overflow: hidden; margin-bottom: 0.875rem;
}
.updf-progress-bar-fill {
    height: 100%; background: var(--updf-primary); width: 0%;
    transition: width 0.4s ease; border-radius: var(--updf-radius-full);
}
.updf-processing-status { font-size: 0.9rem; font-weight: 500; color: var(--updf-text); margin: 0 0 0.25rem; }
.updf-progress-pct { font-size: 0.82rem; color: var(--updf-text-muted); margin: 0; }

/* ── Results ─────────────────────────────────────── */
.updf-results-section { padding: 2.5rem; text-align: center; animation: updf-fadeIn 0.4s ease; }
.updf-results-header { margin-bottom: 1.5rem; }

.updf-success-icon {
    width: 72px; height: 72px; background: var(--updf-primary); border-radius: var(--updf-radius-full);
    display: flex; align-items: center; justify-content: center;
    margin: 0 auto 1.25rem; color: white;
}
.updf-results-header h2 { font-size: 1.75rem; color: var(--updf-text); margin: 0 0 0.5rem; }
.updf-results-header p  { color: var(--updf-text-muted); margin: 0; font-size: 0.95rem; }

/* Removed restrictions badges */
.updf-removed-badges {
    display: flex; flex-wrap: wrap; justify-content: center; gap: 0.5rem;
    margin-bottom: 1.5rem;
}
.updf-removed-badge {
    display: inline-flex; align-items: center; gap: 0.4rem;
    padding: 0.4rem 0.875rem;
    background: var(--updf-primary-light);
    color: var(--updf-primary);
    border-radius: var(--updf-radius-full);
    font-size: 0.82rem; font-weight: 600;
}
.updf-removed-badge svg { width: 14px; height: 14px; }

/* Stats */
.updf-result-stats {
    display: flex; justify-content: center; align-items: center; gap: 1.5rem;
    flex-wrap: wrap; margin-bottom: 2rem;
    padding: 1.25rem; background: var(--updf-bg-secondary);
    border-radius: var(--updf-radius-lg);
}
.updf-stat { text-align: center; }
.updf-stat-label { display: block; font-size: 0.75rem; color: var(--updf-text-muted); margin-bottom: 0.25rem; text-transform: uppercase; letter-spacing: 0.05em; }
.updf-stat-value { font-size: 1.2rem; font-weight: 700; color: var(--updf-text); }
.updf-stat.primary .updf-stat-value { color: var(--updf-primary); }
.updf-stat-arrow { color: var(--updf-text-muted); }

.updf-results-actions { display: flex; justify-content: center; gap: 1rem; flex-wrap: wrap; margin-bottom: 1.25rem; }

.updf-result-tip {
    display: inline-flex; align-items: center; gap: 0.4rem;
    font-size: 0.82rem; color: var(--updf-text-muted); margin: 0;
}
.updf-result-tip svg { color: var(--updf-amber); width: 14px; height: 14px; flex-shrink: 0; }
.updf-result-tip a { color: var(--updf-primary); font-weight: 500; text-decoration: none; }
.updf-result-tip a:hover { text-decoration: underline; }

/* ── Error ───────────────────────────────────────── */
.updf-error {
    display: flex; align-items: flex-start; gap: 0.75rem;
    background: var(--updf-danger-light); border: 1px solid var(--updf-danger);
    padding: 1rem 1.25rem; border-radius: var(--updf-radius-md); margin: 1.25rem;
}
.updf-error svg { color: var(--updf-danger); flex-shrink: 0; margin-top: 2px; }
.updf-error-body { flex: 1; }
.updf-error-title  { font-weight: 600; color: var(--updf-danger); margin: 0 0 0.25rem; font-size: 0.95rem; }
.updf-error-detail { color: var(--updf-danger); margin: 0 0 0.5rem; font-size: 0.875rem; opacity: 0.9; }
.updf-error-contact { font-size: 0.82rem; color: var(--updf-text-sec); margin: 0; }
.updf-error-contact a { color: var(--updf-primary); font-weight: 600; text-decoration: none; }
.updf-error-contact a:hover { text-decoration: underline; }

/* ── Button reset block ───────────────────────────── */
.updf-container button,
.updf-container a.updf-btn {
    background-color: transparent; color: inherit; box-shadow: none; transform: none;
}
.updf-container button:hover,
.updf-container a.updf-btn:hover {
    background-color: transparent; box-shadow: none; transform: none;
}

.updf-container .updf-btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
    padding: 0.875rem 1.75rem; border-radius: var(--updf-radius-full);
    font-size: 1rem; font-weight: 600; cursor: pointer;
    transition: all 0.2s ease; text-decoration: none; border: none;
}
.updf-container .updf-btn svg { width: 18px; height: 18px; }

.updf-container .updf-btn-primary {
    background: var(--updf-primary) !important;
    color: #fff !important;
    box-shadow: var(--updf-shadow-primary) !important;
}
.updf-container .updf-btn-primary:hover {
    background: var(--updf-primary-dark) !important;
    color: #fff !important;
    transform: translateY(-2px) !important;
    box-shadow: var(--updf-shadow-prim-hv) !important;
}
.updf-container .updf-btn-secondary {
    background: var(--updf-bg-elevated) !important;
    color: var(--updf-text) !important;
    border: 1px solid var(--updf-border) !important;
    box-shadow: none !important;
}
.updf-container .updf-btn-secondary:hover {
    background: var(--updf-bg-secondary) !important;
    color: var(--updf-text) !important;
    border-color: var(--updf-text-muted) !important;
    transform: none !important; box-shadow: none !important;
}

/* ── Related Tools ───────────────────────────────── */
.updf-related-tools {
    display: flex; align-items: center; flex-wrap: wrap; gap: 1rem;
    padding: 1.25rem 1.5rem;
    background: var(--updf-bg-elevated);
    border-radius: var(--updf-radius-lg); margin-bottom: 2rem;
    border: 1px solid var(--updf-border);
}
.updf-related-label {
    display: flex; align-items: center; gap: 0.5rem;
    font-weight: 600; color: var(--updf-text); font-size: 0.875rem;
}
.updf-related-label svg { color: var(--updf-primary); width: 16px; height: 16px; }
.updf-related-links { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.updf-related-link {
    display: inline-flex; align-items: center; gap: 0.4rem;
    padding: 0.5rem 1rem; background: var(--updf-bg-secondary);
    border-radius: var(--updf-radius-full); color: var(--updf-text-sec);
    text-decoration: none; font-size: 0.875rem; font-weight: 500;
    transition: all 0.2s; border: 1px solid var(--updf-border);
}
.updf-related-link:hover { background: var(--updf-primary); color: #fff; border-color: var(--updf-primary); transform: translateY(-2px); }
.updf-related-link svg { width: 16px; height: 16px; }

/* ── Info Cards ──────────────────────────────────── */
.updf-info-sections { display: flex; flex-direction: column; gap: 1.5rem; }
.updf-info-card {
    background: var(--updf-bg-elevated);
    border-radius: var(--updf-radius-xl);
    padding: 2rem;
    border: 1px solid var(--updf-border);
    transition: background-color var(--updf-transition), border-color var(--updf-transition);
}
.updf-info-card h2 {
    display: flex; align-items: center; gap: 0.75rem;
    font-size: 1.25rem; color: var(--updf-text); margin: 0 0 1.5rem;
}
.updf-info-card h2 svg { color: var(--updf-primary); width: 22px; height: 22px; flex-shrink: 0; }

/* Steps */
.updf-steps { counter-reset: step; list-style: none; padding: 0; margin: 0 0 1.5rem; }
.updf-steps li {
    position: relative; padding-left: 3.25rem; margin-bottom: 1rem;
    counter-increment: step; color: var(--updf-text-sec); line-height: 1.65;
}
.updf-steps li::before {
    content: counter(step); position: absolute; left: 0; top: 0;
    width: 2rem; height: 2rem; background: var(--updf-primary); color: white;
    border-radius: var(--updf-radius-full); display: flex; align-items: center; justify-content: center;
    font-weight: 700; font-size: 0.875rem; z-index: 1;
}
.updf-steps li:not(:last-child)::after {
    content: ''; position: absolute; left: calc(1rem - 1px); top: 2rem; bottom: 0;
    width: 2px; background: var(--updf-primary-light);
}
.updf-steps li a { color: var(--updf-primary); text-decoration: none; }
.updf-steps li a:hover { text-decoration: underline; }

.updf-tip {
    display: flex; align-items: flex-start; gap: 0.75rem;
    padding: 1rem 1.25rem; background: var(--updf-warning-light);
    border-radius: var(--updf-radius-md);
    font-size: 0.875rem; color: var(--updf-text-sec); line-height: 1.6;
}
.updf-tip svg { color: var(--updf-amber); flex-shrink: 0; margin-top: 2px; }

/* Compare section */
.updf-compare { display: flex; flex-direction: column; gap: 1rem; }
.updf-compare-row {
    display: flex; gap: 1rem; align-items: flex-start;
    padding: 1.25rem; border-radius: var(--updf-radius-md);
    background: var(--updf-bg-secondary);
    border: 1px solid var(--updf-border);
}
.updf-compare-label {
    display: inline-flex; align-items: center; gap: 0.4rem;
    flex-shrink: 0; padding: 0.4rem 0.875rem;
    border-radius: var(--updf-radius-full);
    font-size: 0.8rem; font-weight: 700; white-space: nowrap; color: white;
}
.updf-label-green { background: var(--updf-primary); }
.updf-label-amber  { background: var(--updf-amber); }

.updf-compare-body { flex: 1; }
.updf-compare-body p { margin: 0 0 0.5rem; color: var(--updf-text-sec); line-height: 1.6; font-size: 0.9rem; }
.updf-compare-body p:last-child { margin-bottom: 0; }

.updf-compare-result {
    display: inline-flex; align-items: center; gap: 0.4rem;
    font-size: 0.82rem; font-weight: 600; color: var(--updf-primary);
}
.updf-compare-result svg { width: 14px; height: 14px; flex-shrink: 0; }
.updf-result-amber { color: var(--updf-amber) !important; }

/* Benefits Grid */
.updf-benefits-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.25rem; }
.updf-benefit-item { display: flex; gap: 1rem; align-items: flex-start; }
.updf-benefit-icon {
    width: 44px; height: 44px; background: var(--updf-primary-light);
    border-radius: var(--updf-radius-md);
    display: flex; align-items: center; justify-content: center;
    color: var(--updf-primary); flex-shrink: 0;
}
.updf-benefit-content h4 { margin: 0 0 0.35rem; font-size: 1rem; color: var(--updf-text); }
.updf-benefit-content p  { margin: 0; font-size: 0.875rem; color: var(--updf-text-sec); line-height: 1.5; }

/* FAQ */
.updf-faq-list { display: flex; flex-direction: column; gap: 0.75rem; }
.faq-item { border: 1px solid var(--updf-border); border-radius: var(--updf-radius-md); overflow: hidden; }
.faq-item:hover { border-color: var(--updf-primary); }
.faq-question {
    width: 100%; display: flex; justify-content: space-between; align-items: center;
    padding: 1rem 1.25rem; background: var(--updf-bg-secondary); border: none;
    cursor: pointer; font-size: 0.975rem; font-weight: 500; color: var(--updf-text);
    text-align: left; gap: 12px; transition: background 0.2s;
}
.faq-question:hover { background: var(--updf-bg-tertiary); }
.faq-question span { flex: 1; }
.faq-question svg { flex-shrink: 0; color: var(--updf-primary); width: 20px; height: 20px; transition: transform 0.3s; }
.faq-item.open .faq-question svg { transform: rotate(180deg); }
.faq-item.open .faq-question { background: var(--updf-bg-elevated); border-bottom: 1px solid var(--updf-border); }
.faq-answer { display: none; padding: 1rem 1.25rem; background: var(--updf-bg-elevated); }
.faq-item.open .faq-answer { display: block; }
.faq-answer p { margin: 0; color: var(--updf-text-sec); line-height: 1.7; font-size: 0.95rem; }
.faq-answer a { color: var(--updf-primary); text-decoration: none; }
.faq-answer a:hover { text-decoration: underline; }

/* ── Animations ──────────────────────────────────── */
@keyframes updf-spin   { to { transform: rotate(360deg); } }
@keyframes updf-fadeIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }

/* ── Responsive ──────────────────────────────────── */
@media (max-width: 768px) {
    .updf-container { padding: 1rem; }
    .updf-upload-section { padding: 1.5rem; }
    .updf-upload-area { padding: 2.5rem 1rem; }
    .updf-password-section { padding: 1.5rem; }
    .updf-pw-actions { flex-direction: column; }
    .updf-how-row { display: none; }
    .updf-compare-row { flex-direction: column; gap: 0.75rem; }
    .updf-benefits-grid { grid-template-columns: 1fr; }
    .updf-result-stats { flex-direction: column; gap: 0.75rem; }
    .updf-results-section { padding: 2rem 1.25rem; }
    .updf-results-actions { flex-direction: column; }
    .updf-results-actions .updf-btn { width: 100%; }
    .updf-related-tools { flex-direction: column; align-items: flex-start; }
    .updf-info-card { padding: 1.5rem; }
}
@media (max-width: 480px) {
    .updf-title-row { flex-direction: column; }
    .updf-stat-arrow { transform: rotate(90deg); }
}

::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--updf-bg); border-radius: 4px; }
::-webkit-scrollbar-thumb { background: var(--updf-text-muted); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--updf-text-sec); }

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}