/* =============================================
   Space Between Art — Reading Pages
   Shared styles for all novel chapter pages
   ============================================= */

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

:root {
    --bg: #0F0E0D;
    --bg-reading: #1A1917;
    --bg-panel: #151413;
    --bg-card: #161514;
    --text: #D4CFC7;
    --text-dim: #8A857C;
    --text-faint: #5A564F;
    --accent: #B8926A;
    --accent-dim: #8A6E50;
    --accent-glow: rgba(184, 146, 106, 0.15);
    --crack: rgba(184, 146, 106, 0.08);
    --danger: #6B3A3A;
    --font-body: 'Noto Serif TC', 'Source Han Serif TC', serif;
    --font-ui: 'Noto Sans TC', sans-serif;
    --font-en: 'Cormorant Garamond', serif;
    --reading-width: 680px;
    --line-height: 2.0;
    --font-size: 17px;
}

html { scroll-behavior: smooth; }

body {
    background: var(--bg);
    color: var(--text);
    font-family: var(--font-body);
    font-size: var(--font-size);
    line-height: var(--line-height);
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

/* ========== TOP NAV ========== */
.site-nav {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 100;
    height: 52px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 24px;
    background: rgba(15, 14, 13, 0.92);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(184, 146, 106, 0.06);
    transition: transform 0.3s ease;
}
.site-nav.hidden { transform: translateY(-100%); }

.nav-brand {
    font-family: var(--font-ui);
    font-size: 12px;
    font-weight: 300;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--text-dim);
    text-decoration: none;
}
.nav-brand:hover { color: var(--accent); }

.nav-book-title {
    font-family: var(--font-body);
    font-size: 13px;
    color: var(--text-faint);
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
}

.nav-actions {
    display: flex;
    gap: 16px;
    align-items: center;
}
.nav-actions a, .nav-actions button {
    color: var(--text-dim);
    text-decoration: none;
    font-family: var(--font-ui);
    font-size: 12px;
    background: none;
    border: none;
    cursor: pointer;
    transition: color 0.2s;
}
.nav-actions a:hover, .nav-actions button:hover { color: var(--accent); }

/* ========== PROGRESS BAR ========== */
.progress-bar {
    position: fixed;
    top: 52px;
    left: 0;
    width: 0%;
    height: 2px;
    background: linear-gradient(90deg, var(--accent-dim), var(--accent));
    z-index: 101;
    transition: width 0.1s linear;
}

/* ========== CHAPTER HEADER ========== */
.chapter-header {
    padding: 160px 24px 80px;
    text-align: center;
    position: relative;
    overflow: hidden;
}
.chapter-header::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at 50% 30%, var(--header-glow, rgba(107,58,58,0.08)) 0%, transparent 70%);
    pointer-events: none;
}

.chapter-label {
    font-family: var(--font-ui);
    font-size: 11px;
    letter-spacing: 4px;
    text-transform: uppercase;
    color: var(--text-faint);
    margin-bottom: 32px;
}
.chapter-number {
    font-family: var(--font-en);
    font-size: 14px;
    font-style: italic;
    color: var(--accent-dim);
    letter-spacing: 2px;
    margin-bottom: 24px;
}
.chapter-title {
    font-family: var(--font-body);
    font-size: clamp(28px, 5vw, 42px);
    font-weight: 600;
    color: var(--text);
    line-height: 1.4;
    margin-bottom: 16px;
}
.chapter-title-en {
    font-family: var(--font-en);
    font-size: clamp(14px, 2vw, 18px);
    font-style: italic;
    color: var(--text-faint);
    letter-spacing: 1px;
    margin-bottom: 48px;
}
.chapter-summary {
    max-width: 520px;
    margin: 0 auto;
    font-family: var(--font-ui);
    font-size: 14px;
    line-height: 1.8;
    color: var(--text-dim);
    padding: 20px 24px;
    border-left: 2px solid var(--crack);
    text-align: left;
    background: var(--accent-glow);
    border-radius: 0 4px 4px 0;
}
.chapter-divider {
    width: 40px;
    height: 1px;
    background: var(--accent-dim);
    margin: 60px auto 0;
    opacity: 0.5;
}

/* ========== STORY CONTENT ========== */
.story-content {
    max-width: var(--reading-width);
    margin: 0 auto;
    padding: 60px 24px 120px;
}
.story-content p {
    margin-bottom: 1.2em;
    text-indent: 2em;
    text-align: justify;
    color: var(--text);
}
.story-content p:first-child { text-indent: 0; }
.story-content p:first-child::first-letter {
    font-size: 3.2em;
    float: left;
    line-height: 0.85;
    margin-right: 8px;
    margin-top: 6px;
    font-weight: 700;
    color: var(--accent);
    font-family: var(--font-body);
}
.story-content .dialogue { text-indent: 2em; }
.story-content .record {
    text-indent: 0;
    font-family: var(--font-ui);
    font-size: 14px;
    line-height: 1.7;
    color: var(--text-dim);
    padding: 8px 16px;
    margin: 16px 0;
    border-left: 2px solid var(--danger);
    background: rgba(107, 58, 58, 0.06);
}
.story-content .note {
    text-indent: 0;
    font-family: var(--font-ui);
    font-size: 14px;
    color: var(--text-dim);
}
.story-content .scene-break {
    text-align: center;
    color: var(--accent-dim);
    margin: 40px 0;
    font-size: 18px;
    letter-spacing: 8px;
}
.story-content .chapter-end {
    text-align: center;
    text-indent: 0;
    color: var(--text-faint);
    font-family: var(--font-ui);
    font-size: 14px;
    margin-top: 48px;
    letter-spacing: 2px;
}

/* Appendix section */
.story-content .appendix-title {
    text-indent: 0;
    font-family: var(--font-body);
    font-size: 18px;
    font-weight: 600;
    color: var(--accent);
    margin: 56px 0 24px;
    padding-top: 32px;
    border-top: 1px solid var(--crack);
}
.story-content .appendix-subtitle {
    text-indent: 0;
    font-family: var(--font-ui);
    font-size: 14px;
    color: var(--accent-dim);
    margin-bottom: 20px;
    letter-spacing: 1px;
}
.story-content .appendix-content {
    text-indent: 0;
    font-family: var(--font-ui);
    font-size: 14px;
    line-height: 1.9;
    color: var(--text-dim);
    padding: 12px 16px;
    background: rgba(184, 146, 106, 0.04);
    border-radius: 4px;
    margin-bottom: 8px;
}

/* ========== CHAPTER NAV ========== */
.chapter-nav {
    max-width: var(--reading-width);
    margin: 0 auto 80px;
    padding: 0 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
}
.chapter-nav a {
    font-family: var(--font-ui);
    font-size: 13px;
    color: var(--text-dim);
    text-decoration: none;
    padding: 12px 20px;
    border: 1px solid rgba(184, 146, 106, 0.15);
    border-radius: 4px;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    gap: 8px;
}
.chapter-nav a:hover {
    color: var(--accent);
    border-color: var(--accent-dim);
    background: var(--accent-glow);
}
.chapter-nav .nav-toc {
    font-size: 12px;
    color: var(--text-faint);
    border: none;
    padding: 12px 8px;
}

/* ========== EMAIL CAPTURE (ch5 + final chapter) ========== */
.email-capture {
    max-width: var(--reading-width);
    margin: 0 auto 60px;
    padding: 40px 24px;
    text-align: center;
    background: var(--bg-card);
    border: 1px solid var(--crack);
    border-radius: 8px;
    margin-left: auto;
    margin-right: auto;
    max-width: 600px;
}
.email-capture .ec-title {
    font-family: var(--font-body);
    font-size: 18px;
    color: var(--text);
    margin-bottom: 8px;
}
.email-capture .ec-text {
    font-family: var(--font-ui);
    font-size: 13px;
    color: var(--text-dim);
    line-height: 1.7;
    margin-bottom: 20px;
}
.email-capture form {
    display: flex;
    gap: 8px;
    max-width: 400px;
    margin: 0 auto;
}
.email-capture input[type="email"] {
    flex: 1;
    padding: 10px 14px;
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 4px;
    color: var(--text);
    font-family: var(--font-ui);
    font-size: 13px;
    outline: none;
}
.email-capture input[type="email"]:focus {
    border-color: var(--accent-dim);
}
.email-capture button {
    padding: 10px 20px;
    background: var(--accent);
    color: var(--bg);
    border: none;
    border-radius: 4px;
    font-family: var(--font-ui);
    font-size: 13px;
    cursor: pointer;
    transition: background 0.2s;
    white-space: nowrap;
}
.email-capture button:hover { background: var(--accent-dim); }

/* ========== FINAL CHAPTER CTA ========== */
.story-cta {
    max-width: 600px;
    margin: 0 auto 120px;
    padding: 48px 24px;
    text-align: center;
    border-top: 1px solid var(--crack);
}
.story-cta .cta-title {
    font-family: var(--font-body);
    font-size: 20px;
    color: var(--text);
    margin-bottom: 12px;
}
.story-cta .cta-text {
    font-family: var(--font-ui);
    font-size: 14px;
    color: var(--text-dim);
    line-height: 1.8;
    margin-bottom: 32px;
}
.story-cta .cta-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}
.cta-btn {
    font-family: var(--font-ui);
    font-size: 13px;
    padding: 12px 28px;
    border-radius: 4px;
    text-decoration: none;
    transition: all 0.2s;
}
.cta-btn.primary {
    background: var(--accent);
    color: var(--bg);
    border: 1px solid var(--accent);
}
.cta-btn.primary:hover { background: var(--accent-dim); }
.cta-btn.secondary {
    color: var(--accent);
    border: 1px solid rgba(184, 146, 106, 0.3);
}
.cta-btn.secondary:hover {
    background: var(--accent-glow);
    border-color: var(--accent);
}

/* ========== SETTINGS PANEL ========== */
.settings-overlay {
    position: fixed; inset: 0;
    background: rgba(0,0,0,0.6);
    z-index: 200;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s;
}
.settings-overlay.active { opacity: 1; pointer-events: all; }

.settings-panel {
    position: fixed;
    right: 0; top: 0; bottom: 0;
    width: 280px;
    background: var(--bg-panel);
    z-index: 201;
    padding: 80px 24px 24px;
    transform: translateX(100%);
    transition: transform 0.3s ease;
    border-left: 1px solid rgba(184,146,106,0.08);
}
.settings-panel.active { transform: translateX(0); }

.settings-group { margin-bottom: 32px; }
.settings-label {
    font-family: var(--font-ui);
    font-size: 11px;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--text-faint);
    margin-bottom: 12px;
}
.settings-row {
    display: flex;
    align-items: center;
    gap: 12px;
}
.settings-btn {
    font-family: var(--font-ui);
    font-size: 14px;
    color: var(--text-dim);
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.06);
    width: 36px; height: 36px;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
}
.settings-btn:hover { border-color: var(--accent-dim); color: var(--accent); }
.settings-value {
    font-family: var(--font-ui);
    font-size: 13px;
    color: var(--text);
    min-width: 40px;
    text-align: center;
}
.close-settings {
    position: absolute;
    top: 24px; right: 24px;
    background: none; border: none;
    color: var(--text-dim);
    font-size: 18px;
    cursor: pointer;
}

/* ========== TOC DRAWER ========== */
.toc-overlay {
    position: fixed; inset: 0;
    background: rgba(0,0,0,0.6);
    z-index: 200;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s;
}
.toc-overlay.active { opacity: 1; pointer-events: all; }

.toc-panel {
    position: fixed;
    left: 0; top: 0; bottom: 0;
    width: 320px;
    max-width: 85vw;
    background: var(--bg-panel);
    z-index: 201;
    padding: 32px 24px;
    transform: translateX(-100%);
    transition: transform 0.3s ease;
    border-right: 1px solid rgba(184,146,106,0.08);
    overflow-y: auto;
}
.toc-panel.active { transform: translateX(0); }

.toc-book-title {
    font-family: var(--font-body);
    font-size: 18px;
    color: var(--text);
    margin-bottom: 8px;
}
.toc-book-subtitle {
    font-family: var(--font-ui);
    font-size: 12px;
    color: var(--text-faint);
    margin-bottom: 32px;
}
.toc-list { list-style: none; }
.toc-list li { margin-bottom: 4px; }
.toc-list a {
    display: block;
    font-family: var(--font-body);
    font-size: 14px;
    color: var(--text-dim);
    text-decoration: none;
    padding: 10px 12px;
    border-radius: 4px;
    transition: all 0.2s;
    line-height: 1.5;
}
.toc-list a:hover { background: rgba(255,255,255,0.04); color: var(--text); }
.toc-list a.current { color: var(--accent); background: var(--accent-glow); }

.toc-close {
    position: absolute;
    top: 24px; right: 24px;
    background: none; border: none;
    color: var(--text-dim);
    font-size: 18px;
    cursor: pointer;
}

/* ========== AMBIENT ========== */
.ambient-crack {
    position: fixed;
    top: 0; right: 0;
    width: 1px;
    height: 100vh;
    background: linear-gradient(180deg, transparent 0%, var(--crack) 20%, rgba(184,146,106,0.04) 50%, var(--crack) 80%, transparent 100%);
    z-index: 1;
    pointer-events: none;
}

/* ========== FOOTER ========== */
.site-footer {
    border-top: 1px solid var(--crack);
    padding: 48px 24px;
    text-align: center;
}
.footer-brand {
    font-family: var(--font-ui);
    font-size: 10px;
    letter-spacing: 4px;
    text-transform: uppercase;
    color: var(--text-faint);
    margin-bottom: 16px;
}
.footer-tagline {
    font-family: var(--font-body);
    font-size: 13px;
    color: var(--text-faint);
    line-height: 1.8;
    max-width: 400px;
    margin: 0 auto 24px;
    opacity: 0.6;
}
.footer-links {
    display: flex;
    gap: 24px;
    justify-content: center;
    flex-wrap: wrap;
}
.footer-links a {
    font-family: var(--font-ui);
    font-size: 12px;
    color: var(--text-faint);
    text-decoration: none;
    transition: color 0.2s;
}
.footer-links a:hover { color: var(--accent); }

/* ========== ANIMATIONS ========== */
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}
.chapter-header > * { animation: fadeInUp 0.8s ease both; }
.chapter-label { animation-delay: 0.1s; }
.chapter-number { animation-delay: 0.2s; }
.chapter-title { animation-delay: 0.3s; }
.chapter-title-en { animation-delay: 0.4s; }
.chapter-summary { animation-delay: 0.5s; }

/* ========== RESPONSIVE ========== */
@media (max-width: 768px) {
    .nav-book-title { display: none; }
    .chapter-header { padding: 120px 20px 60px; }
    .story-content { padding: 40px 20px 100px; }
    .chapter-nav { flex-direction: column; }
    .chapter-nav a { width: 100%; justify-content: center; }
    .settings-panel { width: 260px; }
    .email-capture form { flex-direction: column; }
}

/* ========== CHAPTER CONTENT (alias for story-content) ========== */
.chapter-content {
    max-width: var(--reading-width);
    margin: 0 auto;
    padding: 60px 24px 120px;
}
.chapter-content p {
    margin-bottom: 1.2em;
    text-indent: 2em;
    text-align: justify;
    color: var(--text);
}
.chapter-content p:first-child { text-indent: 0; }
.chapter-content p:first-child::first-letter {
    font-size: 3.2em;
    float: left;
    line-height: 0.85;
    margin-right: 8px;
    margin-top: 6px;
    font-weight: 700;
    color: var(--accent);
    font-family: var(--font-body);
}
.chapter-content .dialogue { text-indent: 2em; }
.chapter-content .scene-break {
    text-align: center;
    color: var(--accent-dim);
    margin: 40px 0;
    font-size: 18px;
    letter-spacing: 8px;
}
.chapter-content h3 {
    font-size: 18px;
    font-weight: 500;
    color: var(--accent);
    margin: 48px 0 24px;
    text-indent: 0;
}
.chapter-content .note {
    text-indent: 0;
    font-family: var(--font-ui);
    font-size: 14px;
    color: var(--text-dim);
}
.chapter-content .record {
    text-indent: 0;
    font-family: var(--font-ui);
    font-size: 14px;
    line-height: 1.7;
    color: var(--text-dim);
    padding: 8px 16px;
    margin: 16px 0;
    border-left: 2px solid var(--danger);
    background: rgba(107, 58, 58, 0.06);
}

/* ========== FOOTER CTA ========== */
.footer-cta {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
    margin: 24px 0 20px;
}
.footer-cta-btn {
    display: inline-block;
    padding: 10px 24px;
    border: 1px solid var(--accent-dim);
    border-radius: 6px;
    font-family: var(--font-ui);
    font-size: 13px;
    color: var(--accent) !important;
    text-decoration: none;
    transition: all .3s;
    letter-spacing: 1px;
}
.footer-cta-btn:hover {
    background: var(--accent-glow);
    border-color: var(--accent);
}
.footer-cta-alt {
    border-color: rgba(255,255,255,.1);
    color: var(--text-dim) !important;
}
.footer-cta-alt:hover {
    border-color: rgba(255,255,255,.25);
    color: var(--text) !important;
}

/* ========== FLOATING AI BUTTON ========== */
.ai-float-btn {
    position: fixed;
    bottom: 28px;
    right: 28px;
    z-index: 150;
    width: 52px;
    height: 52px;
    border-radius: 50%;
    background: rgba(184, 146, 106, 0.12);
    border: 1px solid rgba(184, 146, 106, 0.25);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    backdrop-filter: blur(8px);
    text-decoration: none;
}
.ai-float-btn:hover {
    background: rgba(184, 146, 106, 0.25);
    border-color: var(--accent);
    transform: scale(1.08);
    box-shadow: 0 4px 24px rgba(184, 146, 106, 0.2);
}
.ai-float-btn .ai-icon {
    font-size: 22px;
    line-height: 1;
    filter: drop-shadow(0 0 6px rgba(184, 146, 106, 0.3));
}
.ai-float-btn .ai-tooltip {
    position: absolute;
    right: 64px;
    background: var(--bg-panel);
    border: 1px solid rgba(184, 146, 106, 0.15);
    padding: 8px 14px;
    border-radius: 6px;
    font-family: var(--font-ui);
    font-size: 12px;
    color: var(--text-dim);
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s;
}
.ai-float-btn:hover .ai-tooltip { opacity: 1; }

/* AI menu popup */
.ai-menu {
    position: fixed;
    bottom: 90px;
    right: 28px;
    z-index: 151;
    background: var(--bg-panel);
    border: 1px solid rgba(184, 146, 106, 0.15);
    border-radius: 12px;
    padding: 12px;
    display: none;
    flex-direction: column;
    gap: 6px;
    min-width: 180px;
    box-shadow: 0 8px 32px rgba(0,0,0,0.4);
    backdrop-filter: blur(12px);
}
.ai-menu.active { display: flex; }
.ai-menu a {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    border-radius: 8px;
    text-decoration: none;
    color: var(--text-dim);
    font-family: var(--font-ui);
    font-size: 13px;
    transition: all 0.2s;
}
.ai-menu a:hover {
    background: var(--accent-glow);
    color: var(--accent);
}
.ai-menu .ai-char-icon {
    font-size: 20px;
}
.ai-menu .ai-char-desc {
    font-size: 11px;
    color: var(--text-faint);
    margin-top: 2px;
}

/* ========== CHAPTER PROGRESS ========== */
.chapter-progress {
    font-family: var(--font-ui);
    font-size: 11px;
    color: var(--text-faint);
    letter-spacing: 1px;
    display: flex;
    align-items: center;
    gap: 6px;
}
.chapter-progress .progress-dots {
    display: flex;
    gap: 3px;
    align-items: center;
}
.chapter-progress .dot {
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: var(--text-faint);
    opacity: 0.3;
}
.chapter-progress .dot.read { opacity: 0.6; background: var(--accent-dim); }
.chapter-progress .dot.current { opacity: 1; background: var(--accent); width: 6px; height: 6px; }

/* ========== READING THEMES ========== */
body.theme-warm {
    --bg: #1F1B16;
    --bg-reading: #252017;
    --bg-panel: #1A1712;
    --text: #D8CDBA;
    --text-dim: #9A8F7E;
}
body.theme-sepia {
    --bg: #2A2520;
    --bg-reading: #302A22;
    --bg-panel: #221E19;
    --text: #D4C5AA;
    --text-dim: #A0937C;
}
body.theme-paper {
    --bg: #F5F0E8;
    --bg-reading: #EDE7DC;
    --bg-panel: #E8E2D6;
    --bg-card: #EAE4D8;
    --text: #2C2A26;
    --text-dim: #6B665C;
    --text-faint: #9A958A;
    --crack: rgba(120, 100, 70, 0.12);
    --accent-glow: rgba(184, 146, 106, 0.1);
}
body.theme-paper .site-nav {
    background: rgba(245, 240, 232, 0.95);
    border-bottom-color: rgba(120, 100, 70, 0.1);
}
body.theme-paper .ai-float-btn {
    background: rgba(184, 146, 106, 0.08);
    border-color: rgba(184, 146, 106, 0.2);
}
body.theme-paper .ai-menu {
    background: var(--bg-panel);
    box-shadow: 0 8px 32px rgba(0,0,0,0.1);
}

/* Theme buttons in settings */
.theme-options {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}
.theme-btn {
    width: 44px;
    height: 44px;
    border-radius: 8px;
    border: 2px solid transparent;
    cursor: pointer;
    transition: all 0.2s;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 10px;
    font-family: var(--font-ui);
}
.theme-btn:hover { border-color: var(--accent-dim); }
.theme-btn.active { border-color: var(--accent); }
.theme-btn-dark { background: #0F0E0D; color: #D4CFC7; }
.theme-btn-warm { background: #1F1B16; color: #D8CDBA; }
.theme-btn-sepia { background: #2A2520; color: #D4C5AA; }
.theme-btn-paper { background: #F5F0E8; color: #2C2A26; }

/* ========== ESTIMATED READ TIME ========== */
.chapter-read-time {
    font-family: var(--font-ui);
    font-size: 12px;
    color: var(--text-faint);
    text-align: center;
    margin-top: 16px;
    letter-spacing: 1px;
}

@media (max-width: 768px) {
    .ai-float-btn { bottom: 20px; right: 20px; width: 48px; height: 48px; }
    .ai-menu { right: 20px; bottom: 78px; }
    .chapter-progress .progress-dots { display: none; }
}

/* ========== RESONANCE WALL ========== */
.resonance-wall {
    max-width: var(--reading-width);
    margin: 0 auto 60px;
    padding: 0 24px;
}
.rw-header {
    text-align: center;
    margin-bottom: 28px;
}
.rw-title {
    font-family: var(--font-body);
    font-size: 18px;
    color: var(--text);
    margin-bottom: 4px;
}
.rw-subtitle {
    font-family: var(--font-en);
    font-size: 13px;
    font-style: italic;
    color: var(--text-faint);
    letter-spacing: 1px;
}
.rw-messages {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 24px;
    max-height: 400px;
    overflow-y: auto;
    padding-right: 8px;
}
.rw-messages::-webkit-scrollbar { width: 3px; }
.rw-messages::-webkit-scrollbar-thumb { background: var(--accent-dim); border-radius: 2px; }
.rw-msg {
    padding: 16px 20px;
    background: rgba(184, 146, 106, 0.04);
    border-left: 2px solid rgba(184, 146, 106, 0.15);
    border-radius: 0 8px 8px 0;
    font-family: var(--font-body);
    font-size: 14px;
    line-height: 1.9;
    color: var(--text-dim);
    animation: fadeInUp 0.4s ease both;
}
.rw-msg-time {
    font-family: var(--font-ui);
    font-size: 11px;
    color: var(--text-faint);
    margin-top: 8px;
    opacity: 0.6;
}
.rw-empty {
    text-align: center;
    padding: 32px;
    font-family: var(--font-ui);
    font-size: 13px;
    color: var(--text-faint);
}
.rw-form {
    display: flex;
    gap: 8px;
}
.rw-input {
    flex: 1;
    padding: 12px 16px;
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(184, 146, 106, 0.12);
    border-radius: 8px;
    color: var(--text);
    font-family: var(--font-body);
    font-size: 14px;
    outline: none;
    transition: border-color 0.3s;
    resize: none;
    min-height: 44px;
    max-height: 80px;
}
.rw-input::placeholder { color: var(--text-faint); }
.rw-input:focus { border-color: var(--accent-dim); }
.rw-submit {
    padding: 12px 20px;
    background: rgba(184, 146, 106, 0.1);
    border: 1px solid rgba(184, 146, 106, 0.2);
    border-radius: 8px;
    color: var(--accent);
    font-family: var(--font-ui);
    font-size: 13px;
    cursor: pointer;
    transition: all 0.3s;
    white-space: nowrap;
    align-self: flex-end;
}
.rw-submit:hover {
    background: rgba(184, 146, 106, 0.18);
    border-color: var(--accent);
}
.rw-submit:disabled {
    opacity: 0.4;
    cursor: default;
}
.rw-hint {
    font-family: var(--font-ui);
    font-size: 11px;
    color: var(--text-faint);
    text-align: center;
    margin-top: 12px;
    opacity: 0.6;
}
.rw-divider {
    width: 40px;
    height: 1px;
    background: var(--accent-dim);
    margin: 60px auto;
    opacity: 0.3;
}

body.theme-paper .rw-msg {
    background: rgba(120, 100, 70, 0.06);
    border-left-color: rgba(120, 100, 70, 0.2);
}
body.theme-paper .rw-input {
    background: rgba(0,0,0,0.03);
    border-color: rgba(120, 100, 70, 0.15);
}