@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,400;0,600;0,700;1,400&family=Source+Sans+3:wght@300;400;500;600&family=JetBrains+Mono:wght@400;500&display=swap');

/* ── Variables ── */
:root {
  --bg:          #0a0f0d;
  --bg-2:        #0d1411;
  --bg-panel:    rgba(255,255,255,0.025);
  --border:      rgba(201,169,98,0.12);
  --border-gold: rgba(201,169,98,0.25);
  --text:        #e8e0d4;
  --text-muted:  rgba(232,224,212,0.5);
  --text-dim:    rgba(232,224,212,0.25);
  --gold:        #c9a962;
  --gold-dim:    rgba(201,169,98,0.4);
  --gold-glow:   rgba(201,169,98,0.08);
  --gold-glow2:  rgba(201,169,98,0.04);
  --red:         #c0392b;
  --green:       #27ae60;
  --font-display: 'Playfair Display', Georgia, serif;
  --font-title:  'Source Sans 3', sans-serif;
  --font-body:   'Source Sans 3', sans-serif;
  --font-mono:   'JetBrains Mono', monospace;
  --ease:        cubic-bezier(0.22, 1, 0.36, 1);
  --r:           8px;
}

/* ── Reset & Base ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; -webkit-font-smoothing: antialiased; scroll-behavior: smooth; }

body {
  background:
    radial-gradient(ellipse 900px 700px at 20% 20%, rgba(201,169,98,0.18) 0%, transparent 60%),
    radial-gradient(ellipse 600px 900px at 80% 80%, rgba(201,169,98,0.12) 0%, transparent 60%),
    radial-gradient(circle 400px at 50% 50%, rgba(201,169,98,0.08) 0%, transparent 50%),
    linear-gradient(160deg, rgba(10,15,13,0) 0%, rgba(20,30,25,0.4) 50%, rgba(10,15,13,0) 100%),
    var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 0.9rem;
  line-height: 1.8;
  min-height: 100vh;
  overflow-x: hidden;
  position: relative;
}

/* 夜间金色光晕呼吸动画 */
@keyframes luxury-glow {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.7; }
}
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background:
    radial-gradient(ellipse 700px 500px at 70% 30%, rgba(201,169,98,0.10) 0%, transparent 60%),
    radial-gradient(ellipse 500px 700px at 30% 70%, rgba(201,169,98,0.06) 0%, transparent 60%);
  pointer-events: none;
  z-index: -1;
  animation: luxury-glow 8s ease-in-out infinite;
}

/* 夜间主题装饰性金边 */
body::after {
  content: '';
  position: fixed;
  inset: 20px;
  border: 1px solid rgba(201,169,98,0.1);
  border-radius: 20px 25px 22px 28px;
  pointer-events: none;
  z-index: 0;
}



a { color: var(--gold); text-decoration: none; transition: opacity 0.2s; }
a:hover { opacity: 0.75; }

/* ── Scrollbar ── */
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(201,169,98,0.2); border-radius: 2px; }
::-webkit-scrollbar-thumb:hover { background: rgba(201,169,98,0.4); }
::selection { background: rgba(201,169,98,0.2); color: var(--text); }

/* ── Attractor Canvas ── */
#attractor-canvas {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

/* ── Status Bar ── */
.status-bar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 2rem;
  background: rgba(8,8,8,0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  font-family: var(--font-body);
  font-size: 0.62rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.status-bar .status-left { display: flex; gap: 2rem; align-items: center; }
.status-bar .status-right { display: flex; gap: 1.5rem; align-items: center; }
.status-dot {
  width: 5px; height: 5px; border-radius: 50%;
  background: var(--gold); opacity: 0.7;
  animation: pulse-dot 2s ease-in-out infinite;
}
@keyframes pulse-dot {
  0%,100% { opacity: 0.7; } 50% { opacity: 0.2; }
}

.status-bar .brand-link {
  font-family: var(--font-title);
  font-weight: 600;
  font-size: 0.7rem;
  color: var(--text);
  letter-spacing: 0.15em;
}

/* 确保内容层在背景之上 */
.theme-light .app-wrapper {
  position: relative;
  z-index: 1;
  background: transparent; /* 完全透明，让慕夏画作完全透出 */
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}

.page-container {
  max-width: 1140px;
  margin: 0 auto;
  padding: 4rem 2rem;
}

.page-container.narrow {
  max-width: 780px;
}

/* ── Typography ── */
.eyebrow {
  font-size: 0.6rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 0.8rem;
}

h1, .h1 {
  font-family: var(--font-title);
  font-size: clamp(2.8rem, 6vw, 5rem);
  font-weight: 600;
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--text);
  text-wrap: balance;
}

h2, .h2 {
  font-family: var(--font-title);
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 500;
  letter-spacing: -0.01em;
  color: var(--text);
  text-wrap: balance;
}

h3, .h3 {
  font-family: var(--font-title);
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--text);
  text-wrap: balance;
}

.section-label {
  font-size: 0.62rem;
  font-weight: 600;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}

.gold-text { color: var(--gold); }
.muted { color: var(--text-muted); }
.dim { color: var(--text-dim); }

/* ── Rule / Divider ── */
.rule {
  border: none;
  border-top: 1px solid var(--border);
  margin: 3rem 0;
}

.rule-gold {
  border: none;
  border-top: 1px solid var(--border-gold);
  margin: 3rem 0;
}

/* ── Glass Panel ── */
.panel {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: var(--r);
  padding: 1.6rem 2rem;
  backdrop-filter: blur(12px);
}

.panel-gold {
  background: var(--gold-glow2);
  border: 1px solid var(--border-gold);
  border-radius: var(--r);
  padding: 1.4rem 1.8rem;
  position: relative;
}
.panel-gold::before {
  content: '';
  position: absolute;
  top: -2px;
  left: -2px;
  right: -2px;
  bottom: -2px;
  border: 1px solid var(--border-gold);
  border-radius: calc(var(--r) + 2px);
  pointer-events: none;
  opacity: 0.3;
}

/* ── Codex Quote ── */
.codex-quote {
  position: relative;
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.8;
  padding: 1.4rem 1.6rem 1.4rem 2.4rem;
  border-left: 1px solid var(--border-gold);
  margin: 1.5rem 0;
  font-style: italic;
}
.codex-quote::before {
  content: '"';
  position: absolute;
  top: -0.4rem;
  left: 0.6rem;
  font-size: 3rem;
  color: var(--gold-dim);
  font-style: normal;
  line-height: 1;
  font-family: var(--font-title);
}

/* ── Metric Card ── */
.metric-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 1px;
  border: 1px solid var(--border);
  border-radius: var(--r);
  overflow: hidden;
  margin: 1.5rem 0;
}

.metric-card {
  background: var(--bg-panel);
  padding: 1.2rem 1.4rem;
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.metric-card .label {
  font-size: 0.58rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.metric-card .value {
  font-family: var(--font-title);
  font-size: 1.75rem;
  font-weight: 600;
  color: var(--gold);
  line-height: 1;
}

.metric-card .delta {
  font-size: 0.68rem;
  color: var(--text-dim);
}

/* ── Input ── */
.field-group {
  margin-bottom: 1.2rem;
}

.field-label {
  display: block;
  font-size: 0.65rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}

input[type="text"],
input[type="password"],
input[type="number"],
select,
textarea {
  width: 100%;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  border-radius: var(--r);
  padding: 0.75rem 1rem;
  color: var(--text);
  font-family: var(--font-body);
  font-size: 0.9rem;
  outline: none;
  transition: border-color 0.2s, background 0.2s;
  -webkit-appearance: none;
}

input:focus, select:focus, textarea:focus {
  border-color: var(--gold-dim);
  background: rgba(255,255,255,0.06);
}

input::placeholder, textarea::placeholder { color: var(--text-dim); }

select option { background: #111; color: var(--text); }

/* Range slider */
input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  background: transparent;
  border: none;
  padding: 0;
  cursor: pointer;
}
input[type="range"]::-webkit-slider-track {
  height: 2px;
  background: var(--border);
  border-radius: 1px;
}
input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 14px; height: 14px;
  border-radius: 50%;
  background: var(--gold);
  margin-top: -6px;
  transition: transform 0.15s;
}
input[type="range"]:hover::-webkit-slider-thumb { transform: scale(1.2); }

input[type="checkbox"] {
  width: auto;
  accent-color: var(--gold);
}

.range-row {
  display: flex;
  align-items: center;
  gap: 1rem;
}
.range-row input[type="range"] { flex: 1; }
.range-val {
  font-family: var(--font-title);
  font-weight: 600;
  color: var(--gold);
  min-width: 3rem;
  text-align: right;
  font-size: 0.9rem;
}

/* ── Button ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 2rem;
  font-family: var(--font-body);
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border: none;
  border-radius: var(--r);
  cursor: pointer;
  transition: transform 0.2s var(--ease), opacity 0.2s, box-shadow 0.2s;
  outline: none;
}

.btn-primary {
  background: var(--gold);
  color: #080808;
}
.btn-primary:hover {
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 12px 32px rgba(201,169,98,0.35);
}
.btn-primary:active { transform: scale(0.97); }

.btn-ghost {
  background: transparent;
  color: var(--text-muted);
  border: 1px solid var(--border);
}
.btn-ghost:hover {
  border-color: var(--border-gold);
  color: var(--text);
}

.btn-full { width: 100%; }

/* ── Alert / Notice ── */
.alert {
  padding: 0.85rem 1.1rem;
  border-radius: var(--r);
  font-size: 0.82rem;
  line-height: 1.6;
  margin: 0.8rem 0;
}
.alert-warn  { background: rgba(201,169,98,0.08); border: 1px solid rgba(201,169,98,0.25); color: #d4b060; }
.alert-error { background: rgba(192,57,43,0.08);  border: 1px solid rgba(192,57,43,0.3);  color: #e74c3c; }
.alert-ok    { background: rgba(39,174,96,0.08);   border: 1px solid rgba(39,174,96,0.3);  color: #2ecc71; }
.alert-info  { background: rgba(255,255,255,0.03); border: 1px solid var(--border);        color: var(--text-muted); }

/* ── Table ── */
.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.82rem;
  margin: 1rem 0;
}
.data-table th {
  padding: 0.6rem 0.9rem;
  text-align: left;
  font-size: 0.58rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border);
  font-weight: 500;
}
.data-table td {
  padding: 0.65rem 0.9rem;
  border-bottom: 1px solid rgba(255,255,255,0.03);
  color: var(--text-muted);
  vertical-align: top;
}
.data-table tr:hover td {
  background: rgba(255,255,255,0.02);
  color: var(--text);
}
.data-table td:first-child { color: var(--text); }

/* ── Tabs ── */
.tabs {
  display: flex;
  gap: 0;
  border-bottom: 1px solid var(--border);
  margin-bottom: 2rem;
  overflow-x: auto;
}

.tab-btn {
  padding: 0.7rem 1.2rem;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  cursor: pointer;
  white-space: nowrap;
  transition: color 0.2s, border-color 0.2s;
  margin-bottom: -1px;
}
.tab-btn:hover { color: var(--text); }
.tab-btn.active {
  color: var(--gold);
  border-bottom-color: var(--gold);
}

.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* ── Nav sidebar (volume pages) ── */
.page-nav {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding: 1rem 2rem;
  border-bottom: 1px solid var(--border);
}
.page-nav a {
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-muted);
  transition: color 0.2s;
}
.page-nav a:hover { color: var(--text); }
.page-nav .nav-home { font-family: var(--font-title); font-weight: 600; color: var(--text); }
.page-nav .sep { color: var(--border); }

/* ── Volume Hero ── */
.vol-hero {
  padding: 3.5rem 2rem 2.5rem;
  border-bottom: 1px solid var(--border);
  max-width: 1140px;
  margin: 0 auto;
}
.vol-number {
  font-family: var(--font-title);
  font-size: 6rem;
  font-weight: 700;
  color: rgba(201,169,98,0.08);
  line-height: 1;
  position: absolute;
  right: 2rem;
  top: 0;
  user-select: none;
  pointer-events: none;
}
.vol-hero-inner { position: relative; }

/* ── Calculator Grid ── */
.calc-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  border: 1px solid var(--border);
  border-radius: var(--r);
  overflow: hidden;
  margin: 1.5rem 0;
}
.calc-col {
  background: var(--bg-panel);
  padding: 1.6rem;
}
@media (max-width: 700px) {
  .calc-grid { grid-template-columns: 1fr; }
}

/* ── SOP Steps ── */
.sop {
  counter-reset: sop-counter;
  list-style: none;
  margin: 1rem 0;
}
.sop li {
  counter-increment: sop-counter;
  display: flex;
  gap: 1rem;
  padding: 0.7rem 0;
  border-bottom: 1px solid rgba(255,255,255,0.03);
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.6;
}
.sop li::before {
  content: counter(sop-counter, decimal-leading-zero);
  font-family: var(--font-title);
  font-weight: 600;
  font-size: 0.75rem;
  color: var(--gold);
  min-width: 1.8rem;
  padding-top: 0.1rem;
}

/* ── Reveal animation ── */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ── Login page specific ── */
.login-screen {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 2rem;
}

.login-box {
  width: 100%;
  max-width: 400px;
  position: relative;
  z-index: 2;
}

.login-wordmark {
  font-family: var(--font-title);
  font-size: 2.6rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--text);
  line-height: 1;
  margin-bottom: 0.4rem;
}

.login-sub {
  font-size: 0.62rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 2.5rem;
}

.login-error {
  color: #e74c3c;
  font-size: 0.8rem;
  margin-top: 0.6rem;
  min-height: 1.2rem;
}

/* ── Vol I specific - materials table ── */
.mat-search-bar {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 0.8rem;
  margin-bottom: 1.5rem;
  align-items: end;
}
@media (max-width: 600px) {
  .mat-search-bar { grid-template-columns: 1fr; }
}

/* ── AI page specific ── */
.ai-form-grid {
  display: grid;
  grid-template-columns: 3fr 2fr;
  gap: 2rem;
  margin-bottom: 2rem;
}
@media (max-width: 700px) {
  .ai-form-grid { grid-template-columns: 1fr; }
}

.flavor-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.5rem;
}

.flavor-chip {
  padding: 0.35rem 0.85rem;
  border: 1px solid var(--border);
  border-radius: 100px;
  font-size: 0.72rem;
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.18s;
  user-select: none;
}
.flavor-chip:hover { border-color: var(--border-gold); color: var(--text); }
.flavor-chip.selected {
  background: var(--gold-glow);
  border-color: var(--border-gold);
  color: var(--gold);
}

.ai-output {
  min-height: 200px;
  border: 1px solid var(--border);
  border-radius: var(--r);
  padding: 2rem;
  font-size: 0.88rem;
  line-height: 1.8;
  color: var(--text-muted);
}

.ai-output h2, .ai-output h3 {
  font-family: var(--font-title);
  color: var(--text);
  margin: 1.5rem 0 0.5rem;
}

.ai-output h2 { font-size: 1.3rem; }
.ai-output h3 { font-size: 1rem; }

.ai-output table {
  width: 100%;
  border-collapse: collapse;
  margin: 1rem 0;
  font-size: 0.83rem;
}
.ai-output th {
  text-align: left;
  padding: 0.5rem 0.8rem;
  font-size: 0.6rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border);
}
.ai-output td {
  padding: 0.5rem 0.8rem;
  border-bottom: 1px solid rgba(255,255,255,0.03);
  color: var(--text-muted);
}

.ai-output blockquote {
  border-left: 2px solid var(--border-gold);
  padding: 0.5rem 1rem;
  margin: 1rem 0;
  font-style: italic;
  color: var(--text-muted);
}

.ai-output strong { color: var(--text); font-weight: 600; }
.ai-output em { color: var(--gold); }

.typing-cursor::after {
  content: '▌';
  animation: blink 0.8s step-end infinite;
  color: var(--gold);
}
@keyframes blink { 0%,100% { opacity: 1; } 50% { opacity: 0; } }

/* ── Home page - volume grid ── */
.vol-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  border: 1px solid var(--border);
  border-radius: var(--r);
  overflow: hidden;
  margin-top: 3rem;
}

.vol-card {
  background: var(--bg-panel);
  padding: 1.8rem 2rem;
  text-decoration: none;
  display: block;
  transition: background 0.25s;
  position: relative;
  overflow: hidden;
}
.vol-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gold-glow2);
  opacity: 0;
  transition: opacity 0.25s;
}
.vol-card:hover { background: rgba(255,255,255,0.04); }
.vol-card:hover::before { opacity: 1; }

.vol-card-num {
  font-family: var(--font-title);
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 0.8rem;
}

.vol-card-title {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 400;
  color: var(--text);
  margin-bottom: 0.3rem;
  letter-spacing: 0;
}

.vol-card-epoch {
  font-size: 0.6rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 0.8rem;
}

.vol-card-desc {
  font-size: 0.78rem;
  color: var(--text-dim);
  line-height: 1.6;
}

@media (max-width: 700px) {
  .vol-grid { grid-template-columns: 1fr; }
}

/* ── Home page - hero ── */
.home-hero {
  padding: 6rem 2rem 4rem;
  max-width: 1140px;
  margin: 0 auto;
}

.home-stats {
  display: flex;
  gap: 3rem;
  margin-top: 2.5rem;
  padding-top: 2.5rem;
  border-top: 1px solid var(--border);
}

.home-stat-num {
  font-family: var(--font-title);
  font-size: 2rem;
  font-weight: 600;
  color: var(--gold);
  line-height: 1;
  display: block;
}

.home-stat-label {
  font-size: 0.6rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-muted);
  display: block;
  margin-top: 0.3rem;
}

/* ── Expander ── */
.expander {
  border: 1px solid var(--border);
  border-radius: var(--r);
  margin-bottom: 0.5rem;
  overflow: hidden;
}
.expander-header {
  padding: 0.9rem 1.2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  font-size: 0.85rem;
  color: var(--text-muted);
  transition: background 0.2s, color 0.2s;
  user-select: none;
}
.expander-header:hover { background: rgba(255,255,255,0.03); color: var(--text); }
.expander-arrow {
  font-size: 0.7rem;
  transition: transform 0.25s;
}
.expander.open .expander-arrow { transform: rotate(180deg); }
.expander-body {
  display: none;
  padding: 1rem 1.2rem 1.2rem;
  border-top: 1px solid var(--border);
  font-size: 0.83rem;
  color: var(--text-muted);
  line-height: 1.7;
}
.expander.open .expander-body { display: block; }

/* ── Radio group ── */
.radio-group { display: flex; flex-direction: column; gap: 0.5rem; margin-top: 0.3rem; }
.radio-label {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.83rem;
  color: var(--text-muted);
  cursor: pointer;
  transition: color 0.15s;
}
.radio-label:hover { color: var(--text); }
.radio-label input[type="radio"] { accent-color: var(--gold); }

/* ── Checkbox ── */
.check-label {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.83rem;
  color: var(--text-muted);
  cursor: pointer;
  transition: color 0.15s;
}
.check-label:hover { color: var(--text); }

/* ── Safe alert panel ── */
.safety-panel {
  background: rgba(192,57,43,0.06);
  border: 1px solid rgba(192,57,43,0.2);
  border-radius: var(--r);
  padding: 1.2rem 1.5rem;
  margin: 1rem 0;
  position: relative;
}
.safety-panel::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 3px;
  height: 100%;
  background: linear-gradient(to bottom, #c0392b, transparent);
  border-radius: var(--r) 0 0 var(--r);
}
.safety-panel .safety-title {
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: #e74c3c;
  margin-bottom: 0.8rem;
}
.safety-panel ul {
  padding-left: 1rem;
  font-size: 0.83rem;
  color: rgba(231,76,60,0.8);
  line-height: 1.7;
}

/* ── Responsive ── */
@media (max-width: 900px) {
  .page-container { padding: 2.5rem 1.2rem; }
  .home-hero { padding: 4rem 1.2rem 2.5rem; }
  .home-stats { gap: 1.5rem; flex-wrap: wrap; }
  .status-bar { padding: 0 1rem; }
  .vol-hero { padding: 2.5rem 1.2rem 2rem; }
}

/* ═══════════════════════════════════════════
   INTERACTION LAYER v2 — appended 2026-06-17
   ═══════════════════════════════════════════ */

/* ── Hero layout ── */
.home-hero {
  padding: 7rem 2rem 5rem;
  background: radial-gradient(ellipse at 65% 40%, rgba(201,169,98,0.05) 0%, transparent 65%);
}

.hero-meta-line {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2.5rem;
}
.hero-meta-line .eyebrow { margin-bottom: 0; }
.hero-meta-right {
  font-size: 0.58rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--text-dim);
}

/* ── Split-line cinematic reveal ── */
.split-hero {
  font-size: clamp(5rem, 13vw, 11rem);
  font-family: var(--font-display);
  font-weight: 300;
  line-height: 0.96;
  letter-spacing: -0.01em;
  color: var(--text);
  display: block;
  overflow: visible;
  position: relative;
}

/* First line italic — set via class on split-line wrapper */
.split-line--italic .split-inner {
  font-style: italic;
}
.split-line {
  display: block;
  overflow: hidden;
  padding-bottom: 0.05em; /* prevent descender clip */
}
.split-inner {
  display: block;
  transform: translateY(108%);
  opacity: 0;
  transition: transform 1s var(--ease), opacity 0.35s ease;
}
.split-hero.revealed .split-inner {
  transform: translateY(0);
  opacity: 1;
}
.split-line:nth-child(2) .split-inner { transition-delay: 0.14s; }

/* Decorative ghost echo */
.hero-echo {
  position: absolute;
  right: -0.5rem;
  bottom: -0.15em;
  font-family: var(--font-title);
  font-size: clamp(5rem, 20vw, 17rem);
  font-weight: 700;
  letter-spacing: -0.05em;
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1px rgba(201,169,98,0.055);
  pointer-events: none;
  user-select: none;
  white-space: nowrap;
  z-index: 0;
}
.hero-title-wrap {
  position: relative;
  z-index: 1;
}

/* ── Ticker / Marquee ── */
.ticker-wrap {
  overflow: hidden;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 0.7rem 0;
  background: var(--bg);
  cursor: default;
}
.ticker-track {
  display: inline-flex;
  align-items: center;
  white-space: nowrap;
  animation: ticker-scroll 55s linear infinite;
  will-change: transform;
}
.ticker-wrap:hover .ticker-track { animation-play-state: paused; }
.ticker-item {
  display: inline-flex;
  align-items: center;
  gap: 1.6rem;
  padding: 0 2rem;
  font-size: 0.57rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--text-dim);
}
.ticker-accent { color: rgba(201,169,98,0.55); }
.ticker-dot {
  width: 3px; height: 3px;
  border-radius: 50%;
  background: var(--border-gold);
  flex-shrink: 0;
}
@keyframes ticker-scroll {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* ── Odometer count-up ── */
@keyframes odo-digit {
  0%   { opacity: 0.3; transform: translateY(8px) scale(0.95); }
  60%  { opacity: 1;   transform: translateY(-2px) scale(1.02); }
  100% { opacity: 1;   transform: translateY(0)   scale(1); }
}
.odometer-land { animation: odo-digit 0.5s var(--ease) forwards; }

/* ── Calculator result flash ── */
@keyframes result-flash {
  0%   { color: var(--gold); }
  35%  { color: #fff; text-shadow: 0 0 24px rgba(201,169,98,0.9); transform: scale(1.05); }
  100% { color: var(--gold); text-shadow: none; transform: scale(1); }
}
.result-flash { animation: result-flash 0.6s var(--ease); }

/* ── Vol card depth hover ── */
.vol-card {
  transition: background 0.3s, box-shadow 0.3s;
}
.vol-card::after {
  content: '→';
  position: absolute;
  bottom: 1.3rem;
  right: 1.5rem;
  font-size: 0.7rem;
  color: var(--gold);
  opacity: 0;
  transform: translateX(-8px);
  transition: opacity 0.28s var(--ease), transform 0.32s var(--ease);
  pointer-events: none;
}
.vol-card:hover {
  background: rgba(255,255,255,0.055);
  box-shadow: inset 3px 0 0 var(--gold), inset 0 0 50px rgba(201,169,98,0.045);
}
.vol-card:hover::before { opacity: 1; }
.vol-card:hover::after  { opacity: 1; transform: translateX(0); }

/* ── Stagger: delays are set/cleared by JS (initReveal) to avoid polluting hover ── */

/* ── Hero stat numbers ── */
.home-stat-num {
  font-size: 2.4rem;
}

/* ── Responsive for new hero ── */
@media (max-width: 900px) {
  .hero-echo { display: none; }
  .hero-meta-right { display: none; }
  .home-hero { padding: 5rem 1.2rem 3.5rem; }
}

/* ── Vol / AI / Settings page shared animations ── */
@keyframes reveal-up {
  from { opacity: 0; transform: translateY(14px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes reveal-right {
  from { opacity: 0; transform: translateX(28px); }
  to   { opacity: 1; transform: translateX(0); }
}

/* Vol hero cascade */
.vol-number    { animation: reveal-right 0.85s var(--ease) 0.08s both; }
.vol-hero .eyebrow  { animation: reveal-up 0.6s var(--ease) 0.25s both; }
.vol-hero .codex-quote { animation: reveal-up 0.65s var(--ease) 0.5s both; }

/* Breadcrumb nav */
.page-nav { animation: reveal-up 0.45s var(--ease) 0.05s both; }

/* h2 split variant (vol / ai / settings — matches existing h2 sizing) */
h2.split-hero.vol-split {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 300;
  letter-spacing: 0;
  margin-top: 0.25rem;
  line-height: 1.1;
}

/* AI hero section */
.ai-hero-wrap { overflow: hidden; }
.ai-hero-wrap .eyebrow { animation: reveal-up 0.5s var(--ease) 0.1s both; }
.ai-hero-wrap p        { animation: reveal-up 0.6s var(--ease) 0.45s both; }

/* Settings hero section */
.settings-hero-wrap .eyebrow { animation: reveal-up 0.5s var(--ease) 0.1s both; }
.settings-hero-wrap p        { animation: reveal-up 0.6s var(--ease) 0.45s both; }

/* ══════════════════════════════════════════
   DISPLAY FONT LAYER — appended 2026-06-22
   ══════════════════════════════════════════ */

/* Login wordmark upgrade */
.login-wordmark {
  font-family: var(--font-display);
  font-size: 3.2rem;
  font-weight: 300;
  letter-spacing: 0.02em;
}

/* AI output headings — display font for generated titles */
.ai-output h2 {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 400;
}
.ai-output h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 400;
}

/* Codex quote — italic serif makes more sense */
.codex-quote {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 300;
  line-height: 1.9;
}

/* ── Mobile: status bar ── */
@media (max-width: 540px) {
  /* Hide clock and compound label on small phones */
  #status-time { display: none; }
  [data-i18n="status.compound"] { display: none; }
  .status-bar .status-right { gap: 0.9rem; }
}

/* ── Mobile: hero ── */
@media (max-width: 480px) {
  /* Keep font readable but prevent overflow */
  .split-hero { font-size: clamp(3.8rem, 18vw, 6rem); }
  .home-stats { gap: 1.2rem; }
  .home-stat-num { font-size: 1.8rem; }
}

/* ══════════════════════════════════════════
   GLASS LAYER — appended 2026-06-22
   iOS frosted glass for key surfaces
   ══════════════════════════════════════════ */

:root {
  --glass-bg:     rgba(14,14,14,0.45);
  --glass-border: rgba(255,255,255,0.09);
  --glass-hi:     rgba(255,255,255,0.06);   /* specular top highlight */
  --glass-shadow: 0 8px 32px rgba(0,0,0,0.35), inset 0 1px 0 var(--glass-hi);
  --glass-blur:   blur(28px) saturate(160%);
  --r-lg:         14px;
}

/* ── Status bar — stronger glass ── */
.status-bar {
  background: rgba(6,6,6,0.5);
  backdrop-filter: blur(36px) saturate(180%);
  -webkit-backdrop-filter: blur(36px) saturate(180%);
}

/* ── Vol grid — open up for individual card glass ── */
.vol-grid {
  border: none;
  gap: 10px;
  background: transparent;
  border-radius: 0;
  overflow: visible;
}

/* ── Vol cards — glass panels ── */
.vol-card {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--r-lg);
  box-shadow: var(--glass-shadow);
  overflow: hidden; /* keep content clipped to radius */
}
.vol-card:hover {
  background: rgba(22,22,22,0.55);
  border-color: rgba(255,255,255,0.13);
  box-shadow: 0 12px 40px rgba(0,0,0,0.45), inset 0 1px 0 var(--glass-hi),
              inset 3px 0 0 var(--gold);
}
.vol-card:hover::before { opacity: 0; } /* disable old gold glow overlay */

/* ── Login box — floating glass card ── */
.login-box {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--r-lg);
  box-shadow: var(--glass-shadow);
  padding: 2.8rem 2.5rem;
}

/* ── Generic .panel upgrade ── */
.panel {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--r-lg);
  box-shadow: var(--glass-shadow);
}

/* ── Gold panel (AI engine CTA on home) ── */
.panel-gold {
  background: rgba(201,169,98,0.06);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-radius: var(--r-lg);
  box-shadow: var(--glass-shadow);
}

/* ── Codex quote — glass strip ── */
.codex-quote {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-radius: var(--r-lg);
  border: 1px solid var(--glass-border);
  border-left: 1px solid rgba(201,169,98,0.3);
  box-shadow: var(--glass-shadow);
  padding: 1.8rem 2rem 1.8rem 2.6rem;
}

/* ── AI output area — glass ── */
.ai-output {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--r-lg);
  box-shadow: var(--glass-shadow);
}

/* ── Home AI engine inline panel ── */
/* (targets the inline-styled div — upgrade border-radius) */
.page-container > [style*="border-gold"] {
  border-radius: var(--r-lg) !important;
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
}

/* ── Mobile: maintain glass readability ── */
@media (max-width: 700px) {
  .login-box { padding: 2rem 1.5rem; }
  .vol-card  { border-radius: 10px; }
}

/* ══════════════════════════════════════════
   MUCHA LIGHT THEME — appended 2026-07-10
   Inspired by Alphonse Mucha's Art Nouveau
   palette: warm cream, sage, dusty rose, gold
   ══════════════════════════════════════════ */

/* Toggle button emoji swap */
.theme-toggle { transition: filter 0.3s; }

.theme-light .theme-toggle { filter: none; }

/* ── Light theme CSS variable overrides ── */
.theme-light {
  --bg:          #f5f1e8;
  --bg-2:        #ebe5d9;
  --bg-panel:    #fffcf8;
  --border:      #d4c5a9;
  --border-gold: rgba(139,111,71,0.30);
  --text:        #3a2e1f;
  --text-muted:  rgba(58,46,31,0.85);
  --text-dim:    rgba(58,46,31,0.65);
  --gold:        #8b6f47;
  --gold-dim:    rgba(139,111,71,0.40);
  --gold-glow:   rgba(139,111,71,0.12);
  --gold-glow2:  rgba(139,111,71,0.06);
  --red:         #8b3a3a;
  --green:       #4a5f4d;
  --glass-bg:     #faf7f2;
  --glass-border: rgba(139,111,71,0.12);
  --glass-hi:     rgba(255,255,255,0.5);
  --glass-shadow: 0 8px 32px rgba(58,46,31,0.12), inset 0 1px 0 var(--glass-hi);
}

/* ── Body ── */
.theme-light body,
.theme-light {
  background:
    url('../images/mucha-flowers.jpg') center center / cover no-repeat fixed,
    #f5f1e8;
  color: var(--text);
  position: relative;
}

/* 日间主题隐藏夜间动画元素 */
.theme-light body::before {
  display: none !important;
}

.theme-light #attractor-canvas {
  display: none !important;
}

/* 日间主题文字区域毛玻璃效果 */
.theme-light .ai-hero-wrap,
.theme-light .page-container,
.theme-light .ai-output-wrapper,
.theme-light .home-hero,
.theme-light .vol-hero {
  background: rgba(255, 252, 245, 0.75);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

/* 慕夏风格装饰性边框 */
.theme-light body::after {
  content: '';
  position: fixed;
  inset: 20px;
  border: 2px solid rgba(139,111,71,0.15);
  border-radius: 30px 40px 35px 45px;
  pointer-events: none;
  z-index: 0;
  background: 
    /* 左上角装饰 */
    radial-gradient(circle at 0% 0%, rgba(139,111,71,0.08) 0%, transparent 8%),
    /* 右上角装饰 */
    radial-gradient(circle at 100% 0%, rgba(74,95,77,0.08) 0%, transparent 8%),
    /* 左下角装饰 */
    radial-gradient(circle at 0% 100%, rgba(139,58,58,0.06) 0%, transparent 8%),
    /* 右下角装饰 */
    radial-gradient(circle at 100% 100%, rgba(201,169,98,0.08) 0%, transparent 8%);
}

/* ── Mucha decorative elements ── */
.theme-light .panel,
.theme-light .card {
  border-radius: 12px;
  border: 1px solid var(--border);
  box-shadow: 0 2px 8px rgba(107,78,46,0.06);
  position: relative;
}

.theme-light .panel::before,
.theme-light .card::before {
  content: '';
  position: absolute;
  top: -1px;
  left: -1px;
  right: -1px;
  bottom: -1px;
  border: 1px solid var(--border-gold);
  border-radius: 13px;
  pointer-events: none;
  opacity: 0.3;
}

.theme-light button,
.theme-light .btn {
  border-radius: 8px;
  transition: all 0.3s var(--ease);
}

.theme-light button:hover,
.theme-light .btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(107,78,46,0.1);
}

.theme-light h1,
.theme-light h2,
.theme-light h3 {
  font-family: var(--font-display);
  letter-spacing: -0.01em;
}

.theme-light .status-bar {
  background: rgba(245,241,232,0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

/* ── Links ── */
.theme-light a { color: var(--gold); }

/* ── Scrollbar ── */
.theme-light ::-webkit-scrollbar-thumb { background: rgba(196,163,90,0.25); }
.theme-light ::-webkit-scrollbar-thumb:hover { background: rgba(196,163,90,0.45); }
.theme-light ::selection { background: rgba(196,163,90,0.20); color: var(--text); }

/* ── Status bar ── */
.theme-light .status-bar {
  background: rgba(245,240,232,0.75);
  border-bottom-color: var(--border);
}
.theme-light .status-dot { background: var(--gold); }
.theme-light .status-bar .brand-link { color: var(--text); }
.theme-light .status-right a,
.theme-light .status-right button { color: var(--text-muted) !important; border-color: var(--border) !important; }

/* ── Select, inputs ── */
.theme-light select option { background: #F5F0E8; color: var(--text); }
.theme-light input[type="text"],
.theme-light input[type="password"],
.theme-light input[type="number"],
.theme-light select,
.theme-light textarea {
  background: rgba(255,255,255,0.5);
  border-color: var(--border);
  color: var(--text);
}
.theme-light input:focus,
.theme-light select:focus,
.theme-light textarea:focus {
  border-color: var(--gold-dim);
  background: rgba(255,255,255,0.7);
}
.theme-light input::placeholder,
.theme-light textarea::placeholder { color: var(--text-dim); }
.theme-light input[type="range"]::-webkit-slider-track { background: var(--border); }
.theme-light input[type="range"]::-webkit-slider-thumb { background: var(--gold); }
.theme-light input[type="checkbox"] { accent-color: var(--gold); }

/* ── Buttons ── */
.theme-light .btn-primary {
  background: var(--gold);
  color: #F5F0E8;
}
.theme-light .btn-primary:hover { box-shadow: 0 8px 24px rgba(196,163,90,0.35); }
.theme-light .btn-ghost {
  color: var(--text-muted);
  border-color: var(--border);
}
.theme-light .btn-ghost:hover { border-color: var(--border-gold); color: var(--text); }

/* ── Panels & Cards ── */
.theme-light .panel,
.theme-light .panel-gold {
  background: var(--glass-bg);
  border-color: var(--glass-border);
}
.theme-light .panel-gold { border-left-color: var(--gold); }
.theme-light .codex-quote {
  background: var(--glass-bg);
  border-color: var(--glass-border);
  border-left-color: rgba(196,163,90,0.35);
  color: var(--text-muted);
}
.theme-light .codex-quote::before { color: var(--gold-dim); }

/* ── Metric card ── */
.theme-light .metric-grid { border-color: var(--border); }
.theme-light .metric-card { background: var(--glass-bg); }
.theme-light .metric-card .value { color: var(--gold); }
.theme-light .metric-card .delta { color: var(--text-dim); }
.theme-light .metric-card .label { color: var(--text-muted); }

/* ── Data table ── */
.theme-light .data-table th { color: var(--text-muted); border-bottom-color: var(--border); }
.theme-light .data-table td { border-bottom-color: rgba(74,63,53,0.05); color: var(--text-muted); }
.theme-light .data-table tr:hover td { background: rgba(255,252,248,0.3); color: var(--text); }
.theme-light .data-table td:first-child { color: var(--text); }

/* ── Tabs ── */
.theme-light .tabs { border-bottom-color: var(--border); }
.theme-light .tab-btn { color: var(--text-muted); }
.theme-light .tab-btn:hover { color: var(--text); }
.theme-light .tab-btn.active { color: var(--gold); border-bottom-color: var(--gold); }

/* ── Nav sidebar ── */
.theme-light .page-nav { border-bottom-color: var(--border); }
.theme-light .page-nav a { color: var(--text-muted); }
.theme-light .page-nav a:hover { color: var(--text); }
.theme-light .page-nav .nav-home { color: var(--text); }
.theme-light .page-nav .sep { color: var(--border); }

/* ── Vol hero ── */
.theme-light .vol-hero { border-bottom-color: var(--border); }
.theme-light .vol-number { color: rgba(196,163,90,0.12); }

/* ── Vol grid / cards ── */
.theme-light .vol-grid { border-color: transparent; }
.theme-light .vol-card {
  background: var(--glass-bg);
  border-color: var(--glass-border);
}
.theme-light .vol-card:hover {
  background: rgba(250,247,242,0.8);
  border-color: var(--border-gold);
}
.theme-light .vol-card-num { color: var(--gold); }
.theme-light .vol-card-title { color: var(--text); }
.theme-light .vol-card-epoch { color: var(--text-muted); }
.theme-light .vol-card-desc { color: var(--text-dim); }
.theme-light .vol-card::after { color: var(--gold); }

/* ── Calc grid ── */
.theme-light .calc-grid { border-color: var(--border); }
.theme-light .calc-col { background: var(--glass-bg); }

/* ── SOP ── */
.theme-light .sop li { border-bottom-color: rgba(74,63,53,0.05); color: var(--text-muted); }
.theme-light .sop li::before { color: var(--gold); }

/* ── AI output ── */
.theme-light .ai-output {
  background: var(--glass-bg);
  border-color: var(--glass-border);
  color: var(--text-muted);
}
.theme-light .ai-output h2,
.theme-light .ai-output h3 { color: var(--text); }
.theme-light .ai-output th { color: var(--text-muted); border-bottom-color: var(--border); }
.theme-light .ai-output td { border-bottom-color: rgba(74,63,53,0.05); color: var(--text-muted); }
.theme-light .ai-output blockquote { border-left-color: var(--border-gold); color: var(--text-muted); }
.theme-light .ai-output strong { color: var(--text); }
.theme-light .ai-output em { color: var(--gold); }
.theme-light .typing-cursor::after { color: var(--gold); }

/* ── Flavor chips ── */
.theme-light .flavor-chip {
  border-color: var(--border);
  color: var(--text-muted);
}
.theme-light .flavor-chip:hover { border-color: var(--border-gold); color: var(--text); }
.theme-light .flavor-chip.selected {
  background: var(--gold-glow);
  border-color: var(--border-gold);
  color: var(--gold);
}

/* ── Expander ── */
.theme-light .expander { border-color: var(--border); }
.theme-light .expander-header { color: var(--text-muted); }
.theme-light .expander-header:hover { background: rgba(255,252,248,0.3); color: var(--text); }
.theme-light .expander-body { border-top-color: var(--border); color: var(--text-muted); }

/* ── Home hero ── */
.theme-light .home-hero {
  background: radial-gradient(ellipse at 65% 40%, rgba(196,163,90,0.07) 0%, transparent 65%);
}
.theme-light .hero-meta-right { color: var(--text-dim); }
.theme-light .hero-echo { -webkit-text-stroke-color: rgba(196,163,90,0.08); }

/* ── Home stats ── */
.theme-light .home-stats { border-top-color: var(--border); }
.theme-light .home-stat-num { color: var(--gold); }
.theme-light .home-stat-label { color: var(--text-muted); }

/* ── Ticker ── */
.theme-light .ticker-wrap {
  border-top-color: var(--border);
  border-bottom-color: var(--border);
  background: var(--bg);
}
.theme-light .ticker-item { color: var(--text-dim); }
.theme-light .ticker-accent { color: rgba(196,163,90,0.55); }
.theme-light .ticker-dot { background: var(--border-gold); }

/* ── Rules / dividers ── */
.theme-light .rule { border-top-color: var(--border); }
.theme-light .rule-gold { border-top-color: var(--border-gold); }

/* ── Section labels ── */
.theme-light .section-label { color: var(--text-muted); }

/* ── Safety panel ── */
.theme-light .safety-panel {
  background: rgba(184,96,90,0.06);
  border-color: rgba(184,96,90,0.2);
}
.theme-light .safety-panel .safety-title { color: #B8605A; }
.theme-light .safety-panel ul { color: rgba(184,96,90,0.8); }

/* ── Alerts ── */
.theme-light .alert-warn  { background: rgba(196,163,90,0.08); border-color: rgba(196,163,90,0.25); color: #B89640; }
.theme-light .alert-error { background: rgba(184,96,90,0.08);  border-color: rgba(184,96,90,0.3);  color: #B8605A; }
.theme-light .alert-ok    { background: rgba(122,158,126,0.08); border-color: rgba(122,158,126,0.3); color: #7A9E7E; }

/* ── Settings ── */
.theme-light .settings-section-title {
  color: var(--text-dim);
  border-bottom-color: var(--border);
}
.theme-light .key-display {
  background: var(--gold-glow2);
  border-color: var(--border-gold);
}
.theme-light .key-mask { color: var(--gold); }

/* ── Radio & Check ── */
.theme-light .radio-label { color: var(--text-muted); }
.theme-light .radio-label:hover { color: var(--text); }
.theme-light .radio-label input[type="radio"] { accent-color: var(--gold); }
.theme-light .check-label { color: var(--text-muted); }
.theme-light .check-label:hover { color: var(--text); }

/* ── Expander row ── */
.theme-light .range-val { color: var(--gold); }

/* ── Login page ── */
.theme-light .login-box {
  background: var(--glass-bg);
  border-color: var(--glass-border);
}
.theme-light .login-wordmark { color: var(--text); }
.theme-light .login-sub { color: var(--text-muted); }

/* ── Vol page specific ── */
.theme-light .vol-card::before { background: var(--gold-glow2); }

/* ── Home AI engine inline panel ── */
.theme-light .page-container > [style*="border-gold"] {
  border-color: var(--border-gold) !important;
}

/* ── Attractor: reduce opacity in light mode so it doesn't overpower ── */
.theme-light #attractor-canvas { opacity: 0.3; }

/* ── Mobile: status bar specific ── */
.theme-light .status-bar .status-right { gap: 1.5rem; }

/* ── Accessibility: focus styles ── */
.btn:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
a:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 2px;
}

/* ── Mobile: disable fixed background (performance) ── */
@media (max-width: 768px) {
  .theme-light body,
  .theme-light {
    background-attachment: scroll;
    background-size: cover;
    background-position: center top;
  }
  
  .theme-light .ai-hero-wrap,
  .theme-light .page-container,
  .theme-light .ai-output-wrapper,
  .theme-light .home-hero,
  .theme-light .vol-hero {
    background: rgba(255, 252, 248, 0.98);
  }
}

/* ── Reduced motion ── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .reveal { opacity: 1; transform: none; }
}

/* ── Page fade-in ── */
@keyframes page-fade-in {
  from { opacity: 0; }
  to { opacity: 1; }
}
body {
  animation: page-fade-in 0.4s ease-out;
}