@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@500;600;700&family=Inter:wght@400;500;600&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
    /* Solid Dark Theme Palette (Linear/Vercel inspired) */
    --ink: #EDEDED;
    --ink-dim: #A1A1AA;
    --paper: #000000;
    --card: #0A0A0A;
    --line: #222222;
    --line-focus: #333333;
    
    --accent: #0070F3;
    --accent-hover: #0051B3;
    --accent-soft: rgba(0, 112, 243, 0.1);
    
    --safe: #10B981;
    --safe-soft: rgba(16, 185, 129, 0.1);
    --danger: #EF4444;
    --danger-soft: rgba(239, 68, 68, 0.1);
    --warn: #F5A623;
    --warn-soft: rgba(245, 166, 35, 0.1);
    
    --muted: #888888;
}

* {
    box-sizing: border-box;
}

html, body {
    background: var(--paper);
    color: var(--ink);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    margin: 0;
    padding: 0;
    -webkit-font-smoothing: antialiased;
}

.app-layout {
    display: grid;
    grid-template-columns: 250px 1fr;
    min-height: 100vh;
}

.main-content-wrapper {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    max-width: 100%;
    min-width: 0;
}

.app {
    max-width: 1100px;
    margin: 0 auto;
    width: 100%;
    padding: 0 24px;
    flex: 1;
    min-width: 0;
}

.mobile-sidebar-toggle {
    display: none;
}

@media (max-width: 768px) {
    .app-layout {
        grid-template-columns: 1fr;
    }
    .mobile-sidebar-toggle {
        display: flex !important;
    }
}

/* NAV */
.nav {
    position: sticky;
    top: 0;
    z-index: 50;
    background: var(--paper);
    border-bottom: 1px solid var(--line);
    padding: 0 32px;
    height: 72px;
    box-sizing: border-box;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.brand {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
    font-size: 18px;
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    letter-spacing: -0.02em;
}

.brand .dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--accent);
}

.score-pill {
    font-family: 'JetBrains Mono', monospace;
    font-size: 12px;
    background: var(--line);
    color: var(--ink);
    padding: 6px 12px;
    border-radius: 6px;
    border: 1px solid var(--line-focus);
}

/* PAGE SYSTEM */
.page {
    display: none;
    padding: 40px 0 80px;
    animation: fade .2s ease-out;
}

.page.active {
    display: block;
}

@keyframes fade {
    from { opacity: 0; transform: translateY(4px); }
    to { opacity: 1; transform: translateY(0); }
}

/* PROGRESS STRIP */
.progress-strip {
    display: flex;
    gap: 4px;
    padding: 20px 0;
}

.progress-seg {
    flex: 1;
    height: 4px;
    border-radius: 2px;
    background: var(--line);
}

.progress-seg.done { background: var(--safe); }
.progress-seg.active { background: var(--accent); }

/* COVER & HEADERS */
.eyebrow {
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    display: flex;
    align-items: center;
    gap: 8px;
}

.eyebrow::before {
    content: "";
    width: 16px;
    height: 1px;
    background: var(--muted);
    display: inline-block;
}

h1.title {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 40px;
    line-height: 1.1;
    font-weight: 700;
    margin: 16px 0;
    letter-spacing: -0.03em;
}

h1.title .danger-word { color: var(--danger); }
h1.title .safe-word { color: var(--safe); }

.subtitle {
    font-size: 16px;
    color: var(--ink-dim);
    line-height: 1.6;
    margin-bottom: 32px;
}

/* CHIPS & META */
.threat-row {
    display: flex;
    gap: 12px;
    margin: 24px 0;
    flex-wrap: wrap;
}

.threat-chip {
    display: flex;
    align-items: center;
    gap: 10px;
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: 8px;
    padding: 8px 16px;
    font-size: 13px;
    font-weight: 500;
}

.threat-chip .ic {
    width: 24px;
    height: 24px;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
}

.ic-phish { background: var(--danger-soft); color: var(--danger); }
.ic-scam { background: var(--warn-soft); color: var(--warn); }
.ic-leak { background: var(--accent-soft); color: var(--accent); }

.meta-card {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: 8px;
    padding: 16px 20px;
    margin-top: 16px;
    font-size: 14px;
    color: var(--ink-dim);
}
.meta-card b { color: var(--ink); font-weight: 600; }

/* BUTTONS */
.start-btn, .btn-solid {
    background: var(--ink);
    color: var(--paper);
    border: 1px solid var(--ink);
    border-radius: 6px;
    padding: 14px 24px;
    font-size: 14px;
    font-weight: 600;
    font-family: 'Inter', sans-serif;
    cursor: pointer;
    transition: all 0.15s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
}

.start-btn:hover, .btn-solid:hover {
    background: #FFFFFF;
    color: #000000;
}

.start-btn:active, .btn-solid:active {
    transform: scale(0.98);
}

.btn-solid:disabled {
    background: var(--line);
    color: var(--muted);
    border-color: var(--line);
    cursor: not-allowed;
    transform: none;
}

.btn-ghost {
    background: transparent;
    color: var(--ink);
    border: 1px solid var(--line);
    padding: 14px 24px;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.15s ease;
}

.btn-ghost:hover {
    background: var(--line);
}

/* TOC CARDS */
.section-label {
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin: 40px 0 16px;
}

.toc-card {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: 8px;
    padding: 20px;
    position: relative;
    margin-bottom: 12px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 16px;
    transition: border-color 0.15s ease;
}

.toc-card:hover {
    border-color: var(--line-focus);
}

.toc-card .bar {
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
}
.toc-card.c1 .bar { background: var(--danger); }
.toc-card.c2 .bar { background: var(--warn); }
.toc-card.c3 .bar { background: var(--accent); }

.toc-card .num {
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    color: var(--muted);
}

.toc-card h3 {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 16px;
    font-weight: 600;
    margin: 6px 0 4px;
}

.toc-card p {
    font-size: 13px;
    color: var(--ink-dim);
    margin: 0;
}

.toc-arrow {
    margin-left: auto;
    color: var(--line-focus);
    font-size: 18px;
}

.toc-card:hover .toc-arrow {
    color: var(--ink);
    transform: translateX(2px);
    transition: transform 0.15s ease, color 0.15s ease;
}

.toc-status {
    font-family: 'JetBrains Mono', monospace;
    font-size: 10px;
    padding: 4px 8px;
    border-radius: 4px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-left: auto;
}

.toc-status.locked { background: var(--line); color: var(--muted); margin-left: 0; }
.toc-status.open { background: var(--accent-soft); color: var(--accent); margin-left: 0; }
.toc-status.cleared { background: var(--safe-soft); color: var(--safe); margin-left: 0; }

/* MODULE BODY */
.module-kicker {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 11px;
    font-weight: 600;
    padding: 4px 10px;
    border-radius: 4px;
    font-family: 'JetBrains Mono', monospace;
    border: 1px solid transparent;
}
.kicker-1 { background: transparent; color: var(--danger); border-color: var(--danger-soft); }
.kicker-2 { background: transparent; color: var(--warn); border-color: var(--warn-soft); }
.kicker-3 { background: transparent; color: var(--accent); border-color: var(--accent-soft); }

.module-body h2 {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 24px;
    margin: 24px 0 16px;
    font-weight: 600;
}

.module-body h3 {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 18px;
    margin: 24px 0 12px;
    font-weight: 500;
}

.module-body p {
    font-size: 15px;
    line-height: 1.7;
    color: var(--ink-dim);
}

.callout {
    border-left: 2px solid var(--accent);
    background: var(--card);
    border-top: 1px solid var(--line);
    border-right: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
    border-radius: 0 6px 6px 0;
    padding: 16px 20px;
    margin: 24px 0;
}

.callout .lbl {
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    color: var(--accent);
    text-transform: uppercase;
    font-weight: 600;
    margin-bottom: 8px;
}

.callout p {
    margin: 0;
    font-size: 14px;
    color: var(--ink);
}

.case-card {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: 6px;
    padding: 16px 20px;
    margin: 24px 0;
}

.case-card .lbl {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
    font-size: 13px;
    color: var(--warn);
    margin-bottom: 8px;
}

.case-card p {
    font-size: 14px;
    color: var(--ink-dim);
    margin: 0;
}

.checklist {
    list-style: none;
    padding: 0;
    margin: 16px 0;
}

.checklist li {
    display: flex;
    gap: 12px;
    padding: 12px 0;
    border-bottom: 1px solid var(--line);
    font-size: 14px;
    align-items: flex-start;
    color: var(--ink-dim);
}
.checklist li:last-child { border-bottom: none; }

.checklist .x, .checklist .o {
    flex-shrink: 0;
    width: 20px;
    height: 20px;
    border-radius: 4px;
    font-size: 11px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
}
.checklist .x { background: var(--danger-soft); color: var(--danger); }
.checklist .o { background: var(--safe-soft); color: var(--safe); }

/* QUIZ */
.quiz-card {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: 8px;
    padding: 24px;
    margin-top: 24px;
}

.quiz-card .qhead {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 16px;
}

.qbadge {
    background: transparent;
    color: var(--safe);
    border: 1px solid var(--safe-soft);
    font-size: 11px;
    font-weight: 600;
    padding: 4px 8px;
    border-radius: 4px;
    font-family: 'JetBrains Mono', monospace;
}

.qtext {
    font-size: 15px;
    font-weight: 500;
    margin-bottom: 16px;
    line-height: 1.6;
}

.qopt {
    display: flex;
    align-items: center;
    gap: 12px;
    background: var(--paper);
    border: 1px solid var(--line);
    border-radius: 6px;
    padding: 12px 16px;
    margin-bottom: 8px;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.15s ease;
}

.qopt:hover {
    border-color: var(--line-focus);
}

.qopt .letter {
    width: 20px;
    height: 20px;
    border-radius: 4px;
    border: 1px solid var(--line);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 11px;
    font-weight: 600;
    color: var(--muted);
    flex-shrink: 0;
}

.qopt.correct {
    border-color: var(--safe);
    background: var(--safe-soft);
}
.qopt.correct .letter {
    background: var(--safe);
    border-color: var(--safe);
    color: #000;
}

.qopt.wrong {
    border-color: var(--danger);
    background: var(--danger-soft);
}
.qopt.wrong .letter {
    background: var(--danger);
    border-color: var(--danger);
    color: #000;
}

.qopt.disabled { cursor: default; }
.qopt.disabled:hover { border-color: var(--line); }

.qfeedback {
    display: none;
    margin-top: 12px;
    font-size: 13px;
    padding: 12px;
    border-radius: 6px;
    border: 1px solid transparent;
}
.qfeedback.show { display: block; }
.qfeedback.right { background: var(--safe-soft); color: var(--safe); border-color: rgba(16, 185, 129, 0.2); }
.qfeedback.wrongfb { background: var(--danger-soft); color: var(--danger); border-color: rgba(239, 68, 68, 0.2); }

/* VIDEO SLOT */
.video-row { margin-top: 24px; }
.video-card {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: 8px;
    aspect-ratio: 16/9;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.play-btn {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--ink);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: transform 0.15s ease;
}
.play-btn:hover { transform: scale(1.05); }

.play-btn::after {
    content: "";
    border-left: 14px solid var(--paper);
    border-top: 9px solid transparent;
    border-bottom: 9px solid transparent;
    margin-left: 4px;
}

.video-label {
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    color: var(--muted);
    margin-top: 12px;
    text-transform: uppercase;
}

/* FOOTER NAV */
.module-foot {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-top: 40px;
    padding-top: 24px;
    border-top: 1px solid var(--line);
}

/* SUMMARY / FINAL */
.summary-card {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: 8px;
    padding: 24px;
    margin: 24px 0;
}

.summary-card h4 {
    font-family: 'Space Grotesk', sans-serif;
    margin: 0 0 8px;
    font-size: 16px;
    font-weight: 600;
}

.big-score {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 56px;
    font-weight: 700;
    text-align: center;
    margin: 16px 0;
    letter-spacing: -0.04em;
}

.score-label {
    text-align: center;
    color: var(--ink-dim);
    font-size: 14px;
    margin-bottom: 24px;
}

@media (max-width:480px) {
    h1.title { font-size: 32px; }
    .page { padding: 24px 0; }
    .toc-card { flex-direction: column; align-items: flex-start; gap: 12px; }
    .toc-status { margin-left: 0; }
    .toc-arrow { display: none; }
    .module-foot { flex-direction: column; }
    .btn-ghost, .btn-solid { width: 100%; text-align: center; }
}

/* ==========================================================================
   ENTERPRISE BENTO COMPONENTS
   ========================================================================== */

.page-container {
    padding-top: 40px;
    padding-bottom: 80px;
    max-width: 900px;
    margin: 0 auto;
}

/* Hero Section */
.hero-section {
    margin-bottom: 60px;
    animation: slideUp 0.4s ease-out;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 14px;
    border-radius: 20px;
    background: var(--card);
    border: 1px solid var(--line);
    margin-bottom: 24px;
}

.hero-badge-dot {
    display: block;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    box-shadow: 0 0 10px currentColor;
}

.hero-badge-text {
    font-size: 11px;
    font-weight: 600;
    color: var(--ink);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-family: 'JetBrains Mono', monospace;
}

.hero-heading {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 42px;
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 16px;
    color: var(--ink);
    letter-spacing: -0.03em;
}

.hero-subtitle {
    font-size: 15px;
    color: var(--ink-dim);
    max-width: 600px;
    line-height: 1.6;
    margin-bottom: 0;
}

/* Bento Cards */
.bento-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-bottom: 40px;
}

.bento-card {
    background: transparent;
    border: 1px solid var(--line);
    border-radius: 24px;
    padding: 32px;
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: background 0.3s, border-color 0.3s;
}

.bento-card:hover {
    background: var(--card);
}

.bento-card.solid {
    background: var(--card);
}

.bento-card.solid:hover {
    border-color: var(--line-focus);
}

.bento-title {
    font-family: 'JetBrains Mono', monospace;
    font-size: 12px;
    font-weight: 600;
    color: var(--muted);
    letter-spacing: 0.05em;
    text-transform: uppercase;
    z-index: 2;
}

.bento-content {
    margin-top: 24px;
    z-index: 2;
}

/* Modul Grid */
.modul-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
}

.modul-card {
    margin: 0;
    min-height: 180px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: 28px;
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: 8px;
    position: relative;
    transition: transform 0.2s ease, border-color 0.2s ease;
}

.modul-card:hover {
    border-color: var(--line-focus);
    transform: translateY(-2px);
}

.modul-card .bar {
    position: absolute;
    width: 100%;
    height: 2px;
    top: 0;
    left: 0;
    background: var(--muted);
}

.modul-card.c1 .bar { background: var(--accent); }
.modul-card.c2 .bar { background: var(--warn); }
.modul-card.c3 .bar { background: var(--danger); }

/* Animations & Responsiveness */
@keyframes slideUp {
    from { opacity: 0; transform: translateY(15px); }
    to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 768px) {
    .bento-grid { grid-template-columns: 1fr; }
    .hero-heading { font-size: 36px; }
}

/* CUSTOM MODAL */
.custom-modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    opacity: 0;
    visibility: hidden;
    transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.custom-modal-overlay.show {
    opacity: 1;
    visibility: visible;
}

.custom-modal-content {
    background: var(--card);
    border: 1px solid var(--line-focus);
    border-radius: 16px;
    width: 90%;
    max-width: 400px;
    padding: 24px;
    box-shadow: 0 24px 48px rgba(0,0,0,0.5), 0 0 0 1px rgba(255,255,255,0.05) inset;
    transform: scale(0.95) translateY(10px);
    transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
    opacity: 0;
}

.custom-modal-overlay.show .custom-modal-content {
    transform: scale(1) translateY(0);
    opacity: 1;
}

.custom-modal-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
}

.custom-modal-icon {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.custom-modal-icon.warning {
    background: var(--warn-soft);
    color: var(--warn);
    border: 1px solid rgba(245, 166, 35, 0.2);
}

.custom-modal-title {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 18px;
    font-weight: 700;
    color: var(--ink);
    margin: 0;
    letter-spacing: -0.01em;
}

.custom-modal-body {
    font-size: 14px;
    color: var(--ink-dim);
    line-height: 1.6;
    margin-bottom: 24px;
}

.custom-modal-actions {
    display: flex;
    gap: 12px;
    justify-content: flex-end;
}

.custom-modal-btn {
    padding: 10px 16px;
    border-radius: 8px;
    font-size: 13px;
    font-weight: 600;
    font-family: 'Inter', sans-serif;
    cursor: pointer;
    transition: all 0.2s ease;
    border: none;
    outline: none;
}

.custom-modal-btn.cancel {
    background: transparent;
    color: var(--ink-dim);
}

.custom-modal-btn.cancel:hover {
    background: var(--line);
    color: var(--ink);
}

.custom-modal-btn.danger {
    background: var(--danger);
    color: #fff;
    box-shadow: 0 4px 12px rgba(239, 68, 68, 0.2);
}

.custom-modal-btn.danger:hover {
    background: #DC2626;
    transform: translateY(-1px);
    box-shadow: 0 6px 16px rgba(239, 68, 68, 0.3);
}

/* --- PREMIUM READING MODE --- */
.reading-container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 20px 40px 60px;
}

.reading-hero {
    position: relative;
    padding: 60px 40px;
    border-radius: 16px;
    margin-bottom: 40px;
    background: var(--card);
    border: 1px solid var(--line);
    text-align: center;
    opacity: 0;
    animation: fadeUp 0.6s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.reading-hero.hero-bab1 {
    background: linear-gradient(135deg, rgba(239, 68, 68, 0.08) 0%, rgba(15, 23, 42, 0) 100%);
    border-color: rgba(239, 68, 68, 0.2);
}

.reading-hero.hero-bab2 {
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.08) 0%, rgba(15, 23, 42, 0) 100%);
    border-color: rgba(245, 158, 11, 0.2);
}

.reading-hero.hero-bab3 {
    background: linear-gradient(135deg, rgba(0, 112, 243, 0.08) 0%, rgba(15, 23, 42, 0) 100%);
    border-color: rgba(0, 112, 243, 0.2);
}

.reading-hero-eyebrow {
    font-family: 'JetBrains Mono', monospace;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    margin-bottom: 16px;
    display: inline-block;
}

.hero-bab1 .reading-hero-eyebrow { color: var(--danger); }
.hero-bab2 .reading-hero-eyebrow { color: var(--warn); }
.hero-bab3 .reading-hero-eyebrow { color: var(--accent); }

.reading-hero-title {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 36px;
    font-weight: 800;
    color: var(--ink);
    line-height: 1.2;
    letter-spacing: -0.02em;
    margin: 0;
}

.reading-content {
    opacity: 0;
    animation: fadeUp 0.6s cubic-bezier(0.16, 1, 0.3, 1) forwards;
    animation-delay: 0.15s;
}

.reading-content h3 {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 22px;
    font-weight: 700;
    color: var(--ink);
    margin: 48px 0 20px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--line);
}

.reading-content p {
    font-size: 16px;
    line-height: 1.8;
    color: #cbd5e1; /* softer contrast */
    margin-bottom: 24px;
}

.reading-case-card {
    background: rgba(30, 41, 59, 0.5); /* translucent slate */
    backdrop-filter: blur(8px);
    border: 1px solid var(--line);
    border-left: 4px solid var(--warn);
    border-radius: 8px;
    padding: 24px 28px;
    margin: 32px 0;
}

.reading-case-card .lbl {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    font-size: 14px;
    color: var(--warn);
    margin-bottom: 12px;
    font-family: 'JetBrains Mono', monospace;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.reading-case-card p {
    font-size: 15px;
    color: var(--ink-dim);
    margin: 0;
    line-height: 1.7;
}

.reading-checklist {
    list-style: none;
    padding: 0;
    margin: 24px 0;
}

.reading-checklist li {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 16px 20px;
    margin-bottom: 12px;
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: 8px;
    font-size: 15px;
    color: var(--ink-dim);
    line-height: 1.6;
    transition: transform 0.2s, border-color 0.2s;
}

.reading-checklist li:hover {
    transform: translateY(-2px);
    border-color: var(--line-focus);
}

.reading-checklist.bad li .icon-wrap {
    color: var(--danger);
    background: var(--danger-soft);
    padding: 6px;
    border-radius: 6px;
    display: flex;
}

.reading-checklist.good li .icon-wrap {
    color: var(--safe);
    background: var(--safe-soft);
    padding: 6px;
    border-radius: 6px;
    display: flex;
}

@keyframes fadeUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.reading-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 60px;
    padding-top: 32px;
    border-top: 1px solid var(--line);
}

@media (max-width: 768px) {
    .reading-container {
        padding: 16px 16px 40px !important;
    }
    .reading-hero {
        padding: 32px 20px !important;
    }
    .reading-hero-title {
        font-size: 28px !important;
    }
    .reading-content h3 {
        margin: 32px 0 16px !important;
    }
    .reading-case-card {
        padding: 16px !important;
        margin: 20px 0 !important;
    }
    .reading-checklist li {
        padding: 12px 16px !important;
    }
}