/* ============================================
   蓍草法周易占卜 v2 — 現代古籍編排
   ============================================ */

:root {
  /* Color tokens */
  --ink-100: #faf7f0;   /* 最淺象牙 */
  --ink-200: #f5f1e8;   /* 紙本底色 */
  --ink-300: #e8e0cf;   /* 紙紋 */
  --ink-400: #b8a98c;   /* 淡墨 */
  --ink-700: #4a423a;   /* 深墨 */
  --ink-800: #2a241e;   /* 近黑 */
  --ink-900: #1a1612;   /* 文字主色 */
  --vermilion: #a3331c; /* 朱砂 — 動爻 / 重點 */
  --vermilion-soft: #c75a3f;
  --gold: #8b6914;      /* 印泥金 — 邊框 */

  /* Typography */
  --font-display: 'Cormorant Garamond', 'Noto Serif TC', 'STSong', serif;
  --font-body: 'Noto Serif TC', 'STSong', 'Songti TC', serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', Menlo, monospace;

  /* Spacing rhythm */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.75rem;
  --space-lg: 3rem;
  --space-xl: 5rem;

  /* Motion */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
[x-cloak] { display: none !important; }

html { font-size: 16px; scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  font-weight: 400;
  background: var(--ink-200);
  color: var(--ink-900);
  line-height: 1.7;
  letter-spacing: 0.01em;
  min-height: 100vh;
  /* Subtle paper texture */
  background-image:
    radial-gradient(circle at 20% 30%, rgba(184,169,140,0.06), transparent 40%),
    radial-gradient(circle at 80% 70%, rgba(184,169,140,0.05), transparent 50%),
    repeating-linear-gradient(0deg, transparent, transparent 2px, rgba(74,66,58,0.012) 2px, rgba(74,66,58,0.012) 4px);
}

/* ============================================
   Top bar
   ============================================ */
.topbar {
  position: sticky; top: 0; z-index: 50;
  background: rgba(245,241,232,0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--ink-300);
}
.topbar-inner {
  max-width: 960px; margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0.9rem 1.5rem;
}
.brand {
  font-family: var(--font-display);
  font-weight: 500; font-size: 1.3rem;
  letter-spacing: 0.08em;
  color: var(--ink-800);
}
.topbar-nav { display: flex; gap: 1.5rem; }
.link {
  background: none; border: none; cursor: pointer;
  font-family: var(--font-body); font-size: 0.85rem;
  color: var(--ink-700); padding: 0.3rem 0;
  position: relative;
  letter-spacing: 0.05em;
  transition: color 0.2s var(--ease-out);
}
.link::after {
  content: ''; position: absolute; left: 0; right: 0; bottom: -2px;
  height: 1px; background: var(--vermilion);
  transform: scaleX(0); transform-origin: left;
  transition: transform 0.3s var(--ease-out);
}
.link:hover, .link.active { color: var(--ink-900); }
.link.active::after { transform: scaleX(1); }
.lang-toggle {
  background: none; border: 1px solid var(--ink-400);
  width: 32px; height: 32px; border-radius: 50%;
  font-family: var(--font-mono); font-size: 0.7rem;
  color: var(--ink-700); cursor: pointer;
  transition: all 0.2s;
}
.lang-toggle:hover { border-color: var(--vermilion); color: var(--vermilion); }

/* ============================================
   Page
   ============================================ */
.page {
  max-width: 960px; margin: 0 auto;
  padding: var(--space-lg) 1.5rem var(--space-xl);
  min-height: calc(100vh - 200px);
}
.eyebrow {
  font-family: var(--font-mono); font-size: 0.7rem;
  letter-spacing: 0.25em; text-transform: uppercase;
  color: var(--ink-400); margin-bottom: var(--space-md);
}
.page-header { margin-bottom: var(--space-lg); }
.page-header h2 {
  font-family: var(--font-display);
  font-size: 2.5rem; font-weight: 400;
  letter-spacing: 0.05em;
}

/* ============================================
   Hero / idle state
   ============================================ */
.hero { max-width: 600px; margin: var(--space-lg) auto 0; }
.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 400; line-height: 1.15;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-md);
  color: var(--ink-900);
}
.hero-title em { font-style: italic; color: var(--vermilion); }
.hero-sub {
  font-size: 1rem; color: var(--ink-700);
  max-width: 480px; margin-bottom: var(--space-lg);
}
.question-box { margin-bottom: var(--space-md); position: relative; }
.field-label {
  display: block; font-size: 0.85rem; color: var(--ink-700);
  margin-bottom: 0.6rem; letter-spacing: 0.03em;
}
textarea {
  width: 100%; padding: 1rem 1.1rem;
  font-family: var(--font-body); font-size: 1.05rem;
  background: var(--ink-100); color: var(--ink-900);
  border: 1px solid var(--ink-300);
  border-radius: 2px;
  resize: vertical; min-height: 90px;
  transition: border-color 0.2s, background 0.2s;
}
textarea:focus {
  outline: none;
  border-color: var(--vermilion);
  background: #fff;
}
.char-count {
  position: absolute; bottom: 0.5rem; right: 0.8rem;
  font-family: var(--font-mono); font-size: 0.7rem; color: var(--ink-400);
}

/* Buttons */
.primary-btn {
  display: inline-flex; align-items: center; gap: 0.6rem;
  padding: 0.95rem 2rem;
  background: var(--ink-900); color: var(--ink-100);
  border: none; font-family: var(--font-body);
  font-size: 0.95rem; letter-spacing: 0.1em;
  cursor: pointer;
  transition: all 0.25s var(--ease-out);
  position: relative; overflow: hidden;
}
.primary-btn:hover {
  background: var(--vermilion);
  transform: translateY(-1px);
}
.primary-btn svg { transition: transform 0.25s; }
.primary-btn:hover svg { transform: translateX(3px); }

.secondary-btn {
  background: transparent; color: var(--vermilion);
  border: 1px solid var(--vermilion);
  padding: 0.7rem 1.5rem;
  font-family: var(--font-body); font-size: 0.9rem;
  letter-spacing: 0.08em; cursor: pointer;
  transition: all 0.2s var(--ease-out);
}
.secondary-btn:hover { background: var(--vermilion); color: var(--ink-100); }

.ghost-btn {
  background: none; border: none; color: var(--ink-700);
  font-family: var(--font-body); font-size: 0.9rem;
  letter-spacing: 0.05em; padding: 0.5rem 0;
  cursor: pointer; margin-right: 2rem;
  border-bottom: 1px solid transparent;
  transition: all 0.2s;
}
.ghost-btn:hover { color: var(--vermilion); border-bottom-color: var(--vermilion); }

.text-btn { background: none; border: none; cursor: pointer; font-family: inherit; font-size: 0.8rem; }
.text-btn.delete { color: var(--ink-400); }
.text-btn.delete:hover { color: var(--vermilion); }

.hint { margin-top: var(--space-md); font-size: 0.8rem; color: var(--ink-400); }

/* ============================================
   Casting animation
   ============================================ */
.casting {
  text-align: center; padding: var(--space-xl) 0;
  min-height: 60vh;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
}
.casting-step {
  font-family: var(--font-display);
  font-size: 1.5rem; color: var(--ink-700);
  margin-bottom: var(--space-md);
  letter-spacing: 0.1em;
  font-style: italic;
}
.stalks {
  position: relative; width: 500px; max-width: 90vw; height: 200px;
  margin: var(--space-md) auto;
}
.stalk {
  position: absolute;
  width: 2px; height: 70px;
  background: linear-gradient(to bottom, var(--ink-700), var(--ink-400));
  top: 50%; left: 50%;
  transform-origin: center bottom;
  transform: translate(-50%, -50%) rotate(var(--rot, 0deg)) translateY(-30px);
  transition: transform 0.6s var(--ease-in-out), background 0.4s;
  animation: stalk-rise 0.5s var(--ease-out) backwards;
  animation-delay: var(--delay);
}
.stalk.set-aside {
  background: var(--vermilion);
  transform: translate(-50%, -50%) rotate(0deg) translateY(-90px);
}
.stalk.in-left {
  transform: translate(-150px, -50%) rotate(calc(var(--rot, 0deg) * 0.3)) translateY(0);
}
.stalk.in-right {
  transform: translate(150px, -50%) rotate(calc(var(--rot, 0deg) * 0.3)) translateY(0);
}
@keyframes stalk-rise {
  from { opacity: 0; transform: translate(-50%, -50%) rotate(0) translateY(50px); }
}
.cast-progress {
  display: flex; gap: 0.8rem; margin-top: var(--space-lg);
}
.line-pip {
  font-family: var(--font-mono); font-size: 0.8rem;
  width: 28px; height: 28px;
  display: flex; align-items: center; justify-content: center;
  border: 1px solid var(--ink-300); border-radius: 50%;
  color: var(--ink-400);
  transition: all 0.4s var(--ease-out);
}
.line-pip.done {
  background: var(--ink-900); color: var(--ink-100);
  border-color: var(--ink-900);
}

/* ============================================
   Result view
   ============================================ */
.reading { animation: result-enter 0.8s var(--ease-out); }
@keyframes result-enter {
  from { opacity: 0; transform: translateY(20px); }
}
.reading-head { text-align: center; margin-bottom: var(--space-lg); }
.hex-name {
  font-family: var(--font-display);
  font-size: clamp(3rem, 8vw, 5rem);
  font-weight: 400; line-height: 1; letter-spacing: 0.05em;
  display: inline-flex; align-items: baseline; gap: 0.8rem;
  margin-bottom: var(--space-sm);
}
.hex-name-sm {
  font-family: var(--font-display); font-size: 2rem; font-weight: 400;
  display: inline-flex; align-items: baseline; gap: 0.6rem;
  margin-bottom: var(--space-sm); color: var(--ink-800);
}
.hex-seq {
  font-family: var(--font-mono); font-size: 0.8em; font-weight: 400;
  color: var(--ink-400); letter-spacing: 0.05em;
}
.reading-meta {
  font-family: var(--font-mono); font-size: 0.75rem;
  color: var(--ink-400); letter-spacing: 0.1em; text-transform: uppercase;
}
.reading-meta .sep { margin: 0 0.8rem; opacity: 0.5; }
.user-question {
  font-family: var(--font-display); font-style: italic;
  font-size: 1.2rem; color: var(--ink-700);
  margin-top: var(--space-sm);
}

/* Hexagram visual */
.hex-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
  margin: var(--space-lg) 0;
}
.hex-layout:has(.transformed[style*="display: block"]),
.hex-layout:has(.transformed:not([style*="display: none"])) {
  grid-template-columns: 2fr 1fr;
}
@media (max-width: 720px) { .hex-layout { grid-template-columns: 1fr !important; } }

.hex-panel {
  padding: var(--space-md);
  background: var(--ink-100);
  border: 1px solid var(--ink-300);
  position: relative;
}
.hex-panel::before {
  content: ''; position: absolute; top: 8px; left: 8px; right: 8px; bottom: 8px;
  border: 1px solid var(--ink-300); pointer-events: none;
}
.hex-panel.transformed { background: transparent; opacity: 0.85; }
.panel-label {
  font-family: var(--font-mono); font-size: 0.7rem;
  letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--ink-400); margin-bottom: var(--space-sm);
}

.hex-symbol {
  display: flex; flex-direction: column;
  gap: 12px; margin: var(--space-md) 0;
  padding: var(--space-sm) 0;
}
.hex-symbol.small { gap: 6px; padding: 0; }
.line-row {
  display: flex; align-items: center; gap: 1rem;
  font-family: var(--font-mono); font-size: 0.75rem; color: var(--ink-400);
  animation: line-draw 0.6s var(--ease-out) backwards;
}
.line-row:nth-child(1) { animation-delay: 1.0s; }
.line-row:nth-child(2) { animation-delay: 0.8s; }
.line-row:nth-child(3) { animation-delay: 0.6s; }
.line-row:nth-child(4) { animation-delay: 0.4s; }
.line-row:nth-child(5) { animation-delay: 0.2s; }
.line-row:nth-child(6) { animation-delay: 0.0s; }
@keyframes line-draw {
  from { opacity: 0; transform: translateX(-20px); }
}
.line-position { width: 1.5rem; text-align: right; }
.line-bar {
  display: flex; gap: 8px; flex: 1; max-width: 280px;
  position: relative;
}
.bar-seg {
  flex: 1; height: 8px;
  background: var(--ink-900);
}
.hex-symbol.small .bar-seg { height: 5px; }
.line-row.changing .bar-seg { background: var(--vermilion); }
.line-row.changing::after {
  content: '○'; color: var(--vermilion); font-size: 1.2rem;
  margin-left: 0.8rem;
}
.line-row.changing.yang::after { content: '●'; }
.line-name { width: 4rem; }

.judgment {
  font-family: var(--font-body); font-size: 1.05rem;
  line-height: 1.9; color: var(--ink-800);
  border-top: 1px solid var(--ink-300);
  padding-top: var(--space-md); margin-top: var(--space-md);
  letter-spacing: 0.03em;
}
.judgment.small { font-size: 0.9rem; }
.image-text {
  font-family: var(--font-body); font-size: 0.95rem;
  color: var(--ink-700); font-style: italic;
  margin-top: var(--space-sm);
  padding-left: var(--space-sm);
  border-left: 2px solid var(--vermilion);
}

/* AI section */
.ai-section {
  margin: var(--space-lg) 0;
  padding: var(--space-md); text-align: center;
  border-top: 1px solid var(--ink-300);
  border-bottom: 1px solid var(--ink-300);
}
.ai-loading {
  display: inline-flex; align-items: center; gap: 0.5rem;
  font-family: var(--font-display); font-style: italic;
  color: var(--ink-700);
}
.ai-loading .dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--vermilion);
  animation: dot-pulse 1.4s infinite ease-in-out;
}
.ai-loading .dot:nth-child(2) { animation-delay: 0.2s; }
.ai-loading .dot:nth-child(3) { animation-delay: 0.4s; }
@keyframes dot-pulse {
  0%, 80%, 100% { transform: scale(0.6); opacity: 0.4; }
  40% { transform: scale(1); opacity: 1; }
}
.ai-result { text-align: left; max-width: 640px; margin: 0 auto; }
.ai-label {
  font-family: var(--font-mono); font-size: 0.7rem;
  letter-spacing: 0.2em; color: var(--vermilion);
  margin-bottom: var(--space-sm);
}
.ai-text { line-height: 1.9; color: var(--ink-800); }

.reading-actions { text-align: center; margin-top: var(--space-lg); }

/* ============================================
   History view
   ============================================ */
.history-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: var(--space-md);
}
.history-item {
  background: var(--ink-100); padding: var(--space-md);
  border: 1px solid var(--ink-300); position: relative;
  transition: transform 0.2s, border-color 0.2s;
}
.history-item:hover {
  transform: translateY(-2px); border-color: var(--vermilion);
}
.history-time {
  font-family: var(--font-mono); font-size: 0.7rem;
  color: var(--ink-400); letter-spacing: 0.05em;
}
.history-name {
  font-family: var(--font-display); font-size: 2rem;
  font-weight: 400; margin: 0.5rem 0;
}
.history-question {
  font-style: italic; color: var(--ink-700);
  font-size: 0.9rem; margin-bottom: var(--space-sm);
}
.history-mini-hex {
  display: flex; flex-direction: column; gap: 4px;
  width: 60px; margin: var(--space-sm) 0;
}
.mini-line {
  height: 4px; background: var(--ink-900);
  position: relative;
}
.mini-line.yin {
  background: transparent;
  border-top: 4px solid var(--ink-900);
  border-image: linear-gradient(to right, var(--ink-900) 0 40%, transparent 40% 60%, var(--ink-900) 60% 100%) 1;
}
.mini-line.yin::after, .mini-line.yang::after { display: none; }
.mini-line.changing { background: var(--vermilion); }

.empty-state {
  text-align: center; color: var(--ink-400);
  font-style: italic; padding: var(--space-xl);
}

/* ============================================
   等待狀態(動畫後、result 前)+ 錯誤訊息
   ============================================ */
.waiting {
  display: flex; flex-direction: column; align-items: center;
  gap: var(--space-md); padding: var(--space-xl) var(--space-md);
  text-align: center;
}
.waiting-title {
  font-family: var(--font-display);
  font-size: 2.4rem; font-weight: 400;
  color: var(--ink-900); letter-spacing: 0.1em;
}
.waiting-sub {
  max-width: 420px; color: var(--ink-700);
  font-size: 0.95rem; line-height: 1.7;
}
.waiting-elapsed {
  font-family: var(--font-mono); font-size: 0.8rem;
  color: var(--ink-400); letter-spacing: 0.05em;
  margin-top: var(--space-sm);
}
.waiting-dots {
  display: inline-flex; gap: 10px;
}
.waiting-dots .dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--vermilion);
  animation: waiting-pulse 1.4s ease-in-out infinite;
}
.waiting-dots .dot:nth-child(2) { animation-delay: 0.2s; }
.waiting-dots .dot:nth-child(3) { animation-delay: 0.4s; }
@keyframes waiting-pulse {
  0%, 80%, 100% { transform: scale(0.6); opacity: 0.3; }
  40%           { transform: scale(1.0); opacity: 1.0; }
}

.cast-error {
  max-width: 560px; margin: 0 auto var(--space-md);
  padding: 1rem 1.25rem;
  background: rgba(163, 51, 28, 0.06);
  border-left: 3px solid var(--vermilion);
  color: var(--ink-900);
  display: flex; align-items: flex-start; justify-content: space-between;
  gap: var(--space-sm);
}
.cast-error p { flex: 1; font-size: 0.92rem; line-height: 1.6; }
.cast-error .text-btn {
  background: none; border: none; color: var(--vermilion);
  cursor: pointer; font-family: var(--font-body); font-size: 0.85rem;
  padding: 0.25rem 0.5rem; flex-shrink: 0;
}

.history-item { cursor: pointer; }
.history-item .text-btn.delete {
  position: absolute; top: 0.75rem; right: 0.75rem;
  background: none; border: none; color: var(--ink-400);
  font-family: var(--font-body); font-size: 0.8rem;
  cursor: pointer; padding: 0.25rem 0.5rem;
}
.history-item .text-btn.delete:hover { color: var(--vermilion); }

/* ============================================
   Modal (歷史/目錄詳情共用)
   ============================================ */
.modal-backdrop {
  position: fixed; inset: 0;
  background: rgba(26, 22, 18, 0.55);
  display: flex; align-items: flex-start; justify-content: center;
  padding: var(--space-md);
  overflow-y: auto;
  z-index: 100;
}
.modal {
  background: var(--ink-100);
  border: 1px solid var(--ink-300);
  padding: var(--space-lg) var(--space-md);
  max-width: 760px; width: 100%;
  margin: var(--space-md) auto;
  position: relative;
  box-shadow: 0 20px 60px rgba(26,22,18,0.18);
}
.modal-close {
  position: absolute; top: 0.75rem; right: 1rem;
  background: none; border: none; cursor: pointer;
  font-size: 1.75rem; line-height: 1;
  color: var(--ink-400); font-family: var(--font-display);
  padding: 0.25rem 0.5rem;
}
.modal-close:hover { color: var(--vermilion); }
.detail-inner { padding: 0; }

/* ============================================
   贊助 Modal
   ============================================ */
.donate-modal {
  max-width: 420px;
  padding: var(--space-lg) var(--space-md) var(--space-md);
}
.donate-inner {
  display: flex; flex-direction: column; align-items: center;
  text-align: center; gap: var(--space-sm);
}
.donate-title {
  font-family: var(--font-display);
  font-size: 2rem; font-weight: 400;
  margin-bottom: 0.25rem;
}
.donate-sub {
  color: var(--ink-700);
  font-size: 0.92rem; line-height: 1.7;
  max-width: 320px;
  margin-bottom: var(--space-sm);
}
.donate-qr {
  background: #ffffff;
  padding: 16px;
  border: 1px solid var(--ink-300);
  margin: 0 auto var(--space-sm);
  display: inline-block;
  line-height: 0;        /* QR img 對齊 */
}
.donate-qr img,
.donate-qr canvas {
  display: block;
  width: 200px; height: 200px;
}
.donate-hint {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--ink-400);
  letter-spacing: 0.03em;
  margin-bottom: var(--space-sm);
}
.donate-link {
  text-decoration: none;
  display: inline-block;
  text-align: center;
}

/* Pill 切換器(贊助方式) */
.donate-pills {
  display: flex; gap: 0.5rem;
  margin-bottom: var(--space-sm);
  flex-wrap: wrap; justify-content: center;
}
.donate-pill {
  background: transparent;
  border: 1px solid var(--ink-300);
  color: var(--ink-700);
  font-family: var(--font-body);
  font-size: 0.82rem;
  padding: 0.4rem 0.95rem;
  cursor: pointer;
  letter-spacing: 0.05em;
  transition: all 0.2s;
}
.donate-pill:hover {
  border-color: var(--vermilion);
  color: var(--vermilion);
}
.donate-pill.active {
  background: var(--vermilion);
  border-color: var(--vermilion);
  color: var(--ink-100);
}

/* method 切換後的內容 block(button 或 address 區) */
.donate-method-block {
  display: flex; flex-direction: column; align-items: center;
  gap: var(--space-sm); width: 100%;
}
.donate-network {
  font-family: var(--font-mono); font-size: 0.7rem;
  color: var(--ink-400); letter-spacing: 0.05em;
  text-transform: uppercase;
}
.donate-address {
  background: var(--ink-200);
  border: 1px dashed var(--ink-300);
  padding: 0.65rem 0.85rem;
  width: 100%; max-width: 320px;
  cursor: pointer;
  position: relative;
  transition: border-color 0.2s, background 0.2s;
}
.donate-address code {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--ink-900);
  word-break: break-all;
  display: block;
  line-height: 1.5;
}
.donate-address:hover {
  border-color: var(--vermilion);
  border-style: solid;
}
.donate-copy-flash {
  position: absolute;
  inset: 0;
  display: flex; align-items: center; justify-content: center;
  background: var(--vermilion);
  color: var(--ink-100);
  font-family: var(--font-body);
  font-size: 0.85rem;
  letter-spacing: 0.05em;
}

/* footer 內的贊助小連結 */
.footer-sep {
  color: var(--ink-400);
  margin: 0 0.6rem;
}
.footer-link {
  background: none; border: none;
  font-family: var(--font-body);
  font-size: inherit; color: var(--ink-700);
  cursor: pointer;
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-color: var(--ink-300);
  transition: color 0.2s;
  padding: 0;
}
.footer-link:hover {
  color: var(--vermilion);
  text-decoration-color: var(--vermilion);
}

/* ============================================
   About / SEO 區(footer 下方,深藏給爬蟲)
   ============================================ */
.about-seo {
  max-width: 720px;
  margin: var(--space-xl) auto var(--space-lg);
  padding: var(--space-lg) var(--space-md);
  border-top: 1px solid var(--ink-300);
  color: var(--ink-400);
  font-size: 0.82rem;
  line-height: 1.75;
}
.about-seo .about-inner > section + section { margin-top: var(--space-md); }
.about-seo h2 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--ink-700);
  margin-bottom: 0.5rem;
  letter-spacing: 0.05em;
}
.about-seo h3 {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--ink-700);
  margin-bottom: 0.4rem;
  letter-spacing: 0.05em;
}
.about-seo p { margin-bottom: 0.6rem; }
.about-seo strong { color: var(--ink-700); font-weight: 500; }
.about-seo em { font-style: italic; }
.about-seo ol {
  padding-left: 1.4rem;
  margin-bottom: 0.6rem;
}
.about-seo ol li { margin-bottom: 0.25rem; }
.about-disclaimer {
  margin-top: var(--space-md);
  padding-top: var(--space-sm);
  border-top: 1px dashed var(--ink-300);
  font-style: italic;
  font-size: 0.75rem;
  text-align: center;
}

/* 爻辭清單(modal 內) */
.line-texts {
  list-style: none; padding: 0;
  margin-top: var(--space-md);
  border-top: 1px solid var(--ink-300);
  padding-top: var(--space-md);
}
.line-text-item {
  display: grid;
  grid-template-columns: 4.5rem 1fr;
  gap: var(--space-sm);
  padding: 0.6rem 0;
  border-bottom: 1px dashed var(--ink-300);
  font-size: 0.92rem;
  line-height: 1.7;
}
.line-text-item:last-child { border-bottom: none; }
.line-text-pos {
  font-family: var(--font-display);
  font-size: 0.95rem;
  color: var(--ink-700);
  letter-spacing: 0.05em;
  white-space: nowrap;
}
.line-text-body {
  color: var(--ink-900);
}
.line-text-item.changing .line-text-pos,
.line-text-item.changing .line-text-body {
  color: var(--vermilion);
}
.line-text-item.changing .line-text-pos::after {
  content: ' ●';
  font-size: 0.7em;
  vertical-align: middle;
}

/* ============================================
   分享卡 (off-screen,僅截圖時用)
   ============================================ */
#share-card-stage {
  position: fixed;
  top: 0;
  left: -10000px;        /* 移出視口,但仍能 layout */
  width: 800px;
  pointer-events: none;
}
.share-card {
  width: 800px;
  padding: 60px 56px;
  background: var(--ink-100);
  color: var(--ink-900);
  font-family: var(--font-body);
  border: 1px solid var(--ink-300);
  position: relative;
}
.share-card::before {
  content: ''; position: absolute; inset: 12px;
  border: 1px solid var(--ink-300); pointer-events: none;
}
.share-card-head {
  display: flex; justify-content: space-between; align-items: baseline;
  border-bottom: 1px solid var(--ink-300);
  padding-bottom: 14px; margin-bottom: 28px;
}
.share-brand {
  font-family: var(--font-display); font-size: 1.5rem;
  letter-spacing: 0.15em; color: var(--ink-700);
}
.share-date {
  font-family: var(--font-mono); font-size: 0.85rem;
  color: var(--ink-400);
}
.share-question {
  font-style: italic; font-size: 1.05rem;
  color: var(--ink-700); margin-bottom: 32px;
  text-align: center;
}
.share-body {
  display: flex; align-items: flex-start; justify-content: center;
  gap: 32px; margin: 24px 0 36px;
}
.share-hex-block { flex: 1; min-width: 0; text-align: center; }
.share-hex {
  display: flex; flex-direction: column; gap: 8px;
  width: 140px; margin: 0 auto 20px;
}
.share-line-row {
  display: flex; gap: 10px; height: 16px;
}
.share-line-bar {
  flex: 1; display: flex; gap: 12px; align-items: stretch;
}
.share-bar-seg {
  flex: 1; background: var(--ink-900); height: 100%;
}
.share-line-row.changing .share-bar-seg { background: var(--vermilion); }
.share-hex-name {
  display: flex; flex-direction: column; align-items: center;
  margin-bottom: 14px;
}
.share-hex-name .share-seq {
  font-family: var(--font-mono); font-size: 0.75rem;
  color: var(--ink-400); letter-spacing: 0.1em;
}
.share-hex-name .share-name {
  font-family: var(--font-display); font-size: 2.4rem;
  font-weight: 500; line-height: 1.2;
}
.share-judgment {
  font-size: 0.92rem; line-height: 1.7;
  color: var(--ink-700); text-align: center;
  max-width: 280px; margin: 0 auto;
}
.share-arrow {
  font-size: 1.5rem; color: var(--ink-400);
  align-self: center; padding-top: 56px;
}
.share-card-foot {
  display: flex; justify-content: space-between;
  border-top: 1px solid var(--ink-300);
  padding-top: 14px; margin-top: 20px;
  font-family: var(--font-mono); font-size: 0.7rem;
  color: var(--ink-400); letter-spacing: 0.08em;
}

/* ============================================
   Catalog
   ============================================ */
.catalog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(110px, 1fr));
  gap: 1px;
  background: var(--ink-300);
  border: 1px solid var(--ink-300);
}
.catalog-card {
  background: var(--ink-100);
  padding: var(--space-md) 1rem;
  display: flex; flex-direction: column; gap: 0.4rem;
  cursor: pointer; transition: background 0.2s;
  text-decoration: none; color: var(--ink-900);
}
.catalog-card:hover { background: #fff; }
.catalog-seq {
  font-family: var(--font-mono); font-size: 0.7rem;
  color: var(--ink-400); letter-spacing: 0.1em;
}
.catalog-name {
  font-family: var(--font-display); font-size: 1.8rem;
  font-weight: 400; line-height: 1;
}

/* ============================================
   Footer
   ============================================ */
.site-footer {
  text-align: center; padding: var(--space-lg) 1.5rem;
  border-top: 1px solid var(--ink-300);
  font-size: 0.8rem; color: var(--ink-400);
  font-style: italic;
}

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 640px) {
  .topbar-nav { display: none; }
  .page { padding: var(--space-md) 1rem var(--space-lg); }
  .hero-title { font-size: 2.2rem; }
  .hex-layout { grid-template-columns: 1fr !important; }
  .stalks { height: 150px; }
}