:root {
  --bg: #0f0f1a;
  --bg-surface: #161625;
  --card: rgba(255,255,255,0.04);
  --card-border: rgba(255,255,255,0.08);
  --text: #e0dce8;
  --text-secondary: #9994a8;
  --accent: #d4a418;
  --accent-hover: #e8b82a;
  --accent-dim: rgba(212,164,24,0.15);
  --purple: #7b68ae;
  --purple-dim: rgba(123,104,174,0.2);
  --error: #ef4444;
  --success: #22c55e;
  --muted: #6b6580;
  --glass-bg: rgba(22,22,37,0.85);
  --glass-border: rgba(255,255,255,0.06);
}
* { box-sizing: border-box; }
body {
  font-family: -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
  margin: 0; background: var(--bg); color: var(--text); line-height: 1.6;
  min-height: 100vh;
  background-image:
    radial-gradient(ellipse at 20% 0%, rgba(90,60,160,0.15) 0%, transparent 60%),
    radial-gradient(ellipse at 80% 100%, rgba(40,30,80,0.2) 0%, transparent 50%);
}
.topbar {
  display: flex; justify-content: space-between; align-items: center;
  padding: 0.8rem 2rem;
  background: rgba(15,15,26,0.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--glass-border);
  position: sticky; top: 0; z-index: 900;
  overflow: visible;
}
.user-area { position: relative; }
.topbar h1 {
  margin: 0; font-size: 1.1rem; font-weight: 600;
  background: linear-gradient(135deg, var(--accent), #f5d76e);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.user-area { display: flex; align-items: center; gap: 0.8rem; }
#username { font-size: 0.85rem; color: var(--text-secondary); }
#logoutBtn {
  padding: 0.3rem 0.8rem; font-size: 0.8rem;
  background: transparent; color: var(--text-secondary);
  border: 1px solid var(--card-border); border-radius: 4px;
}
#logoutBtn:hover { border-color: var(--accent); color: var(--accent); }

main { max-width: 900px; margin: 1rem auto; padding: 0 1rem; }

.card {
  background: var(--card);
  backdrop-filter: blur(8px);
  border: 1px solid var(--card-border);
  padding: 1.5rem; margin-bottom: 1rem;
  border-radius: 12px;
}
.card h2 {
  font-size: 1.2rem; margin: 0 0 1rem;
  color: var(--accent); font-weight: 600;
}
.card h3 {
  font-size: 1rem; color: var(--text); margin: 1rem 0 0.5rem;
}

form label {
  display: block; margin: 0.7rem 0;
  font-size: 0.9rem; color: var(--text-secondary);
}
.field-hint {
  display: block; margin-top: 0.25rem;
  font-size: 0.78rem; color: var(--text-secondary); opacity: 0.7;
}
form input, form select {
  display: block; width: 100%; padding: 0.6rem 0.8rem; margin-top: 0.3rem;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--card-border);
  border-radius: 8px; font-size: 14px;
  color: var(--text);
  transition: border-color 0.2s;
}
form input:focus, form select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 2px var(--accent-dim);
}
form select option { background: var(--bg-surface); color: var(--text); }
form .row { display: flex; gap: 0.5rem; margin-top: 0.8rem; }

button {
  padding: 0.6rem 1.2rem;
  background: linear-gradient(135deg, var(--accent), #c99a10);
  color: #1a1a2e; font-weight: 600;
  border: none; border-radius: 8px;
  cursor: pointer; font-size: 14px;
  transition: all 0.2s;
}
button:hover {
  background: linear-gradient(135deg, var(--accent-hover), var(--accent));
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(212,164,24,0.3);
}
button:active { transform: translateY(0); }

.error { color: var(--error); margin: 0.5rem 0 0; font-size: 0.85rem; }
.meta { color: var(--muted); font-size: 12px; }

.palace-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 0.5rem;
  margin: 1rem 0;
}
.palace-cell {
  border: 1px solid var(--card-border); padding: 0.5rem; min-height: 80px;
  border-radius: 8px; font-size: 12px;
  background: rgba(255,255,255,0.02);
  transition: all 0.3s;
}
.palace-cell.pending { background: rgba(255,255,255,0.02); color: var(--muted); }
.palace-cell.done { background: rgba(34,197,94,0.08); border-color: rgba(34,197,94,0.2); }
.palace-cell.error { background: rgba(239,68,68,0.08); color: var(--error); border-color: rgba(239,68,68,0.2); }
.palace-cell .name { font-weight: bold; margin-bottom: 0.25rem; color: var(--accent); }
.birth-list, #historyList { list-style: none; padding: 0; }
.birth-list li {
  padding: 0.6rem; border-bottom: 1px solid var(--card-border);
  color: var(--text-secondary);
}
.history-item {
  padding: 0.6rem 0.5rem; border-bottom: 1px solid var(--card-border);
  cursor: pointer; display: flex; gap: 0.8rem; align-items: center;
  transition: background 0.15s; border-radius: 6px;
}
.history-item:hover { background: var(--purple-dim); }
.history-scope {
  display: inline-block; padding: 2px 8px; border-radius: 4px; font-size: 12px;
  font-weight: bold; background: var(--purple); color: #fff; white-space: nowrap;
}
.history-label { flex: 1; font-size: 13px; color: var(--text); }
.history-time { font-size: 12px; color: var(--muted); white-space: nowrap; }
.history-hint { font-size: 11px; color: var(--accent); opacity: 0.7; white-space: nowrap; transition: opacity 0.15s; }
.history-info:hover .history-hint { opacity: 1; }
.history-empty { padding: 1.5rem; text-align: center; color: var(--muted); font-size: 14px; list-style: none; }
pre {
  white-space: pre-wrap; word-wrap: break-word;
  background: rgba(255,255,255,0.03); padding: 1rem; border-radius: 8px;
  font-family: inherit; font-size: 14px;
  border: 1px solid var(--card-border);
  color: var(--text);
}

/* ── chart (命盘) ── */
.btn-small {
  padding: 0.2rem 0.6rem; font-size: 12px; margin-left: 0.5rem;
  background: var(--purple); color: #fff; border: none; border-radius: 4px;
  cursor: pointer; transition: all 0.15s;
}
.btn-small:hover { background: var(--accent); }
.btn-delete {
  padding: 0.2rem 0.5rem; font-size: 11px; margin-left: 0.4rem;
  background: transparent; color: var(--error); border: 1px solid var(--error); border-radius: 4px;
  cursor: pointer; transition: all 0.15s;
}
.btn-delete:hover { background: var(--error); color: #fff; }
.history-info { flex: 1; display: flex; gap: 0.8rem; align-items: center; cursor: pointer; }

.chart-grid {
  display: grid; grid-template-columns: repeat(4, 1fr);
  border: 1px solid rgba(212,164,24,0.2); margin: 0.5rem 0; gap: 0;
}
.chart-cell {
  border: 1px solid rgba(255,255,255,0.06); padding: 3px 4px; min-height: 110px;
  background: rgba(255,255,255,0.02); font-size: 10px; position: relative;
  display: flex; flex-direction: column; justify-content: space-between;
}
.chart-cell-empty {
  border: 1px solid rgba(255,255,255,0.06); background: rgba(255,255,255,0.01); min-height: 110px;
}

/* ── 宫格底部区域 ── */
.cell-bottom {
  display: flex; justify-content: space-between; align-items: flex-end;
  margin-top: auto; padding-top: 2px;
}
.cell-bottom-left { font-size: 8px; color: var(--muted); line-height: 1.3; }
.cell-bottom-right {
  display: flex; align-items: baseline; gap: 3px;
  text-align: right;
}
.s12-row { display: flex; gap: 4px; align-items: baseline; }
.s12-name { color: var(--muted); }
.s12-decade { color: var(--text-secondary); }
.cell-cs { font-size: 8px; color: var(--muted); }
.palace-name { font-weight: bold; color: var(--accent); font-size: 11px; }
.palace-branch { color: var(--accent); font-size: 10px; font-weight: bold; }

/* ── 身宫/来因宫标记 ── */
.badge-body {
  font-size: 9px; padding: 1px 4px; border-radius: 2px;
  font-weight: bold; background: rgba(212,164,24,0.2); color: var(--accent);
}
.badge-original {
  font-size: 9px; padding: 1px 4px; border-radius: 2px;
  font-weight: bold; background: var(--purple); color: #fff;
}

/* ── 星曜 ── */
.cell-content {
  flex: 1; display: flex; flex-direction: row-reverse;
  flex-wrap: wrap; align-items: flex-start; align-content: flex-end; gap: 0;
}
.star-col { writing-mode: vertical-rl; white-space: nowrap; line-height: 1; }
.s-main .star-name { font-weight: bold; color: #f87171; font-size: 13px; }
.s-aux .star-name { color: #a78bfa; font-size: 10px; }
.s-sha .star-name { color: #22d3ee; font-size: 10px; }
.s-misc .star-name { color: #94a3b8; font-size: 9px; }
.s-empty { color: var(--muted); font-size: 12px; }

/* 四化颜色 */
.hua-lu .star-name { color: #4ade80 !important; }
.hua-quan .star-name { color: #f87171 !important; }
.hua-ke .star-name { color: #60a5fa !important; }
.hua-ji .star-name { color: #9ca3af !important; }

.star-bright { font-size: 8px; color: var(--muted); }
.star-hua {
  font-size: 8px; font-weight: bold;
  background: rgba(212,164,24,0.15); color: var(--accent);
  border-radius: 2px; padding: 0 2px;
}
.hua-lu .star-hua { background: rgba(74,222,128,0.15); color: #4ade80; }
.hua-quan .star-hua { background: rgba(248,113,113,0.15); color: #f87171; }
.hua-ke .star-hua { background: rgba(96,165,250,0.15); color: #60a5fa; }
.hua-ji .star-hua { background: rgba(156,163,175,0.15); color: #9ca3af; }

.cell-ages { font-size: 8px; color: var(--muted); margin-top: 1px; line-height: 1.1; }

/* ── 中间信息区 ── */
.chart-center {
  display: flex; flex-direction: column; align-items: center;
  justify-content: center; padding: 8px 6px; font-size: 12px;
  line-height: 1.8; color: var(--text);
  border: 1px solid rgba(255,255,255,0.06);
  background: rgba(212,164,24,0.04);
}
.chart-center .chart-title {
  font-size: 14px; font-weight: bold; color: var(--accent); margin-bottom: 2px;
}
.chart-center .ganzhi {
  display: flex; gap: 6px; font-size: 13px; font-weight: bold;
  color: var(--accent); margin: 2px 0;
}
.chart-center .chart-loc { font-size: 11px; color: var(--muted); margin-top: 1px; }

/* ── 四化展示 ── */
.chart-mutagens { margin-top: 0.6rem; }
.chart-mutagens h3 { margin: 0.3rem 0; font-size: 14px; }
.mutagen-list { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.mutagen-item {
  padding: 4px 10px; border-radius: 6px; font-size: 13px; font-weight: 600;
  border: 1px solid;
}
.mutagen-item-lu { background: rgba(74,222,128,0.1); color: #4ade80; border-color: rgba(74,222,128,0.3); }
.mutagen-item-quan { background: rgba(248,113,113,0.1); color: #f87171; border-color: rgba(248,113,113,0.3); }
.mutagen-item-ke { background: rgba(96,165,250,0.1); color: #60a5fa; border-color: rgba(96,165,250,0.3); }
.mutagen-item-ji { background: rgba(156,163,175,0.1); color: #9ca3af; border-color: rgba(156,163,175,0.3); }

/* ── cross-palace analysis ── */
.cross-palace-area { margin-top: 1.2rem; }
.cross-palace-area h3 { margin: 0 0 0.8rem; font-size: 1rem; color: var(--accent); }
.cross-section {
  padding: 0.8rem 1rem; margin-bottom: 0.8rem; border-radius: 8px;
  border-left: 4px solid; line-height: 1.7;
  background: rgba(255,255,255,0.02);
}
.cross-section.high { border-color: var(--accent); background: rgba(212,164,24,0.06); }
.cross-section.reference { border-color: var(--muted); background: rgba(255,255,255,0.02); }
.cross-section h4 { margin: 0 0 0.4rem; font-size: 14px; color: var(--text); }
.cross-text { font-size: 13px; color: var(--text-secondary); white-space: pre-wrap; }
.badge-high {
  display: inline-block; font-size: 11px; padding: 1px 6px;
  border-radius: 4px; background: var(--accent); color: #1a1a2e; font-weight: 600;
}
.badge-ref {
  display: inline-block; font-size: 11px; padding: 1px 6px;
  border-radius: 4px; background: var(--muted); color: #fff; font-weight: 400;
}

/* ── credits ── */
.credits-balance { font-size: 16px; margin-bottom: 0.3rem; }
.credits-balance strong { color: var(--accent); font-size: 20px; }
.credits-info { font-size: 13px; color: var(--muted); margin-bottom: 1rem; }
.recharge-tiers { display: flex; gap: 12px; margin-bottom: 1rem; }
.tier-btn {
  flex: 1; padding: 12px 8px; border: 2px solid var(--card-border); border-radius: 10px;
  background: var(--card); color: var(--text); font-size: 16px;
  text-align: center; cursor: pointer; transition: all 0.2s;
}
.tier-btn:hover { border-color: var(--accent); }
.tier-btn.active { border-color: var(--accent); background: var(--accent-dim); }
.tier-btn small { display: block; font-size: 12px; color: var(--muted); margin-top: 4px; }
.qrcode-area {
  text-align: center; margin: 1rem 0; padding: 1rem;
  background: rgba(255,255,255,0.03); border-radius: 10px;
  border: 1px solid var(--card-border);
}
.qrcode-img { width: 200px; height: 200px; margin: 12px auto; display: block; border-radius: 8px; }
.qrcode-tip { font-size: 12px; color: var(--muted); }
.btn-confirm {
  margin-top: 12px;
  background: linear-gradient(135deg, var(--success), #16a34a);
  color: #fff;
}
.btn-confirm:hover { background: linear-gradient(135deg, #16a34a, var(--success)); }
.recharge-history { margin-top: 1rem; font-size: 13px; color: var(--muted); }

/* ── 移动端适配 ── */
@media (max-width: 640px) {
  .topbar { padding: 0.8rem 1rem; }
  main { padding: 0 0.5rem; }
  .palace-grid { grid-template-columns: 1fr; }
  .palace-cell { font-size: 14px; min-height: auto; padding: 0.8rem; }
  .recharge-tiers { flex-direction: column; }
  form .row { flex-direction: column; }
}

/* ── Tab Navigation ── */
.tab-nav {
  display: flex; gap: 0.8rem; padding: 0.5rem 1.5rem;
  background: rgba(15,15,26,0.6);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--glass-border);
  flex-wrap: wrap;
}
.tab-group { display: flex; align-items: center; gap: 0.25rem; }
.tab-label { font-size: 0.7rem; color: var(--muted); margin-right: 0.25rem; text-transform: uppercase; letter-spacing: 1px; }
.tab-btn {
  padding: 0.4rem 0.8rem; border: 1px solid transparent; border-radius: 6px;
  background: transparent; cursor: pointer; font-size: 0.85rem;
  color: var(--text-secondary); transition: all 0.2s;
}
.tab-btn:hover { background: rgba(255,255,255,0.05); color: var(--text); }
.tab-btn.active {
  background: linear-gradient(135deg, var(--accent), #c99a10);
  color: #1a1a2e; font-weight: 600;
  border-color: transparent;
}

/* ── Chat ── */
.chat-controls { display: flex; gap: 1rem; align-items: center; flex-wrap: wrap; margin-bottom: 0.5rem; }
.toggle-label { display: flex; align-items: center; gap: 0.3rem; font-size: 0.85rem; color: var(--text-secondary); }
.free-remaining { font-size: 0.8rem; color: var(--muted); }
.chat-messages {
  height: 400px; overflow-y: auto; padding: 0.5rem; margin-bottom: 0.5rem;
  background: rgba(255,255,255,0.02);
  border: 1px solid var(--card-border); border-radius: 10px;
}
.chat-msg { max-width: 80%; padding: 0.5rem 0.75rem; margin: 0.3rem 0; border-radius: 12px; line-height: 1.4; white-space: pre-wrap; }
.msg-user {
  margin-left: auto;
  background: linear-gradient(135deg, var(--purple), #5b4a8a);
  color: #fff; border-bottom-right-radius: 4px;
}
.msg-ai {
  margin-right: auto;
  background: rgba(255,255,255,0.06);
  color: var(--text); border-bottom-left-radius: 4px;
  border: 1px solid var(--card-border);
}
.msg-loading { opacity: 0.6; font-style: italic; }
.chat-input { display: flex; gap: 0.5rem; }
.chat-input input { flex: 1; }

/* ── Knowledge ── */
.kb-tabs { display: flex; gap: 0.5rem; margin-bottom: 1rem; }
.kb-tab-btn {
  padding: 0.3rem 0.8rem; border: 1px solid var(--card-border); border-radius: 6px;
  background: transparent; cursor: pointer; color: var(--text-secondary);
  transition: all 0.2s;
}
.kb-tab-btn:hover { border-color: var(--accent); color: var(--accent); }
.kb-tab-btn.active {
  background: linear-gradient(135deg, var(--accent), #c99a10);
  color: #1a1a2e; border-color: transparent; font-weight: 600;
}
.kb-item {
  padding: 0.5rem; border-bottom: 1px solid var(--card-border);
  cursor: pointer; transition: background 0.15s;
}
.kb-item:hover { background: var(--purple-dim); }
.kb-tags { color: var(--muted); font-size: 0.85rem; }
.kb-interp { margin: 0.3rem 0; padding: 0.3rem 0; border-bottom: 1px solid var(--card-border); }
.kb-detail { padding: 0.5rem; }

/* ── 命格概览 ── */
.pattern-overview { margin-bottom: 24px; }
.pattern-overview h3 { font-size: 18px; margin-bottom: 12px; color: var(--accent); }
.pattern-cards { display: flex; flex-wrap: wrap; gap: 12px; }
.pattern-card {
  border: 1px solid var(--card-border);
  border-radius: 12px;
  padding: 12px 16px;
  min-width: 140px;
  cursor: pointer;
  transition: all 0.25s;
  background: rgba(255,255,255,0.03);
}
.pattern-card:hover {
  border-color: var(--accent);
  box-shadow: 0 4px 16px rgba(212,164,24,0.15);
  transform: translateY(-2px);
}
.pattern-card .name { font-weight: 600; font-size: 15px; margin-bottom: 4px; color: var(--text); }
.pattern-card .grade-tag {
  display: inline-block; font-size: 12px; padding: 2px 8px;
  border-radius: 4px; color: #fff; margin-right: 6px; font-weight: 600;
}
.grade-tag-fugui { background: var(--accent); color: #1a1a2e; }
.grade-tag-gui { background: #7c3aed; }
.grade-tag-fu { background: #16a34a; }
.grade-tag-teshu { background: #2563eb; }
.grade-tag-xiong { background: #dc2626; }
.grade-tag-taohua { background: #ec4899; }
.pattern-card .actual-grade { font-size: 13px; color: var(--muted); margin-top: 4px; }
.pattern-reading {
  display: none; margin-top: 8px; padding: 12px;
  background: rgba(255,255,255,0.03); border-radius: 8px;
  font-size: 14px; line-height: 1.7; color: var(--text-secondary);
  border: 1px solid var(--card-border);
}
.pattern-reading.expanded { display: block; }

/* ── 合盘结果深色适配 ── */
#synastryResult { color: var(--text); }
#synastryResult h3 { color: var(--accent); }

/* ── 滚动条深色 ── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.1); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: rgba(255,255,255,0.2); }

/* ── 选中文字颜色 ── */
::selection { background: var(--accent-dim); color: var(--accent); }

/* ══════════════════════════════════════════════
   登录/注册 Modal
   ══════════════════════════════════════════════ */
.modal-overlay {
  position: fixed; inset: 0; z-index: 1000;
  background: rgba(0,0,0,0.6); backdrop-filter: blur(6px);
  display: none; align-items: center; justify-content: center;
  padding: 1rem;
}
.modal-overlay.open {
  display: flex;
}
.modal-box {
  width: 100%; max-width: 480px;
  background: var(--bg-surface); border: 1px solid var(--card-border);
  border-radius: 16px; padding: 2rem;
  box-shadow: 0 20px 60px rgba(0,0,0,0.5);
  max-height: 90vh; overflow-y: auto;
}
.modal-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 1.2rem; }
.modal-header h2 { margin: 0; font-size: 1.3rem; color: var(--text); }
.modal-close {
  width: 36px; height: 36px; border-radius: 50%; border: 1px solid var(--card-border);
  background: transparent; color: var(--text-secondary); font-size: 1.3rem;
  cursor: pointer; display: flex; align-items: center; justify-content: center;
  transition: all 0.2s;
}
.modal-close:hover { background: rgba(255,255,255,0.08); color: var(--text); }

/* Auth Tabs */
.auth-tabs { display: flex; gap: 0; margin-bottom: 1.2rem; }
.auth-tab {
  flex: 1; padding: 0.7rem; border: 1px solid var(--card-border); background: transparent;
  color: var(--text-secondary); font-size: 0.95rem; cursor: pointer; transition: all 0.2s;
}
.auth-tab:first-child { border-radius: 8px 0 0 8px; }
.auth-tab:last-child { border-radius: 0 8px 8px 0; }
.auth-tab.active {
  background: linear-gradient(135deg, var(--accent), #c99a10);
  color: #1a1a2e; font-weight: 600; border-color: var(--accent);
}

/* Google 登录按钮 */
.btn-google {
  width: 100%; padding: 0.75rem; border-radius: 8px;
  border: 1px solid var(--card-border); background: rgba(255,255,255,0.04);
  color: var(--text); font-size: 0.95rem; cursor: pointer;
  display: flex; align-items: center; justify-content: center; gap: 0.6rem;
  transition: all 0.2s;
}
.btn-google:hover { border-color: var(--accent); background: rgba(255,255,255,0.08); }
.btn-google svg { flex-shrink: 0; }

/* 分隔线 */
.auth-divider {
  display: flex; align-items: center; gap: 1rem;
  margin: 1rem 0; color: var(--muted); font-size: 0.85rem;
}
.auth-divider::before, .auth-divider::after {
  content: ''; flex: 1; height: 1px; background: var(--card-border);
}

/* Modal 内表单 */
.auth-form .form-group { margin-bottom: 1rem; }
.auth-form .form-group label {
  display: block; font-size: 0.85rem; color: var(--text-secondary);
  margin-bottom: 0.3rem;
}
.auth-form .form-group input {
  width: 100%; padding: 0.7rem 0.8rem; border-radius: 8px;
  border: 1px solid var(--card-border); background: rgba(255,255,255,0.04);
  color: var(--text); font-size: 0.95rem; transition: border-color 0.2s;
}
.auth-form .form-group input:focus {
  outline: none; border-color: var(--accent);
  box-shadow: 0 0 0 2px var(--accent-dim);
}
.auth-form .form-hint {
  display: block; font-size: 0.75rem; color: var(--muted); margin-top: 0.25rem;
}
.btn-auth-submit {
  width: 100%; padding: 0.75rem; border-radius: 8px; border: none;
  background: linear-gradient(135deg, var(--accent), #c99a10);
  color: #1a1a2e; font-size: 1rem; font-weight: 600; cursor: pointer;
  transition: all 0.25s; margin-top: 0.5rem;
}
.btn-auth-submit:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(212,164,24,0.3);
}

/* 右上角登录按钮 */
.topbar-btn {
  padding: 0.4rem 1rem; border-radius: 6px; font-size: 0.85rem;
  cursor: pointer; transition: all 0.2s; border: 1px solid var(--card-border);
  background: transparent; color: var(--text-secondary);
}
.topbar-btn:hover { border-color: var(--accent); color: var(--accent); }
.topbar-login-btn {
  background: linear-gradient(135deg, var(--accent), #c99a10);
  color: #1a1a2e; font-weight: 600; border-color: transparent;
}
.topbar-login-btn:hover { box-shadow: 0 2px 10px rgba(212,164,24,0.3); }

/* 用户下拉菜单 */
.user-menu { position: relative; }
.user-menu-trigger {
  background: transparent; border: 1px solid var(--card-border); border-radius: 6px;
  color: var(--text); padding: 0.4rem 0.8rem; cursor: pointer; font-size: 0.85rem;
  transition: all 0.2s;
}
.user-menu-trigger:hover { border-color: var(--accent); color: var(--accent); }
.user-dropdown {
  display: none; position: fixed;
  background: var(--bg-surface); border: 1px solid var(--card-border);
  border-radius: 10px; width: 160px; padding: 0.4rem 0;
  box-shadow: 0 8px 24px rgba(0,0,0,0.5); z-index: 9999;
}
.user-dropdown.open { display: block; }
.dropdown-item {
  display: block; width: 100%; padding: 0.5rem 1rem; border: none;
  background: transparent; color: var(--text-secondary); font-size: 0.85rem;
  text-align: left; cursor: pointer; transition: all 0.15s;
}
.dropdown-item:hover { background: var(--purple-dim); color: var(--text); }
.dropdown-divider { border: none; border-top: 1px solid var(--card-border); margin: 0.3rem 0; }

/* ══════════════════════════════════════════════
   星空粒子动画背景
   ══════════════════════════════════════════════ */
.starfield {
  position: fixed; top: 0; left: 0; width: 100%; height: 100%;
  pointer-events: none; z-index: 0; overflow: hidden;
}
.starfield .star {
  position: absolute; border-radius: 50%;
  background: #fff; opacity: 0;
  animation: twinkle var(--dur) ease-in-out infinite;
  animation-delay: var(--delay);
}
@keyframes twinkle {
  0%, 100% { opacity: 0.1; transform: scale(0.8); }
  50% { opacity: var(--peak); transform: scale(1.2); }
}
/* 流星 */
.starfield .meteor {
  position: absolute; width: 2px; height: 2px;
  background: linear-gradient(90deg, rgba(212,164,24,0.8), transparent);
  border-radius: 50%; opacity: 0;
  animation: shootingStar var(--dur) ease-out infinite;
  animation-delay: var(--delay);
}
.starfield .meteor::after {
  content: ''; position: absolute; top: 0; left: 0;
  width: 60px; height: 1px;
  background: linear-gradient(90deg, rgba(212,164,24,0.6), transparent);
  transform: rotate(-35deg); transform-origin: left center;
}
@keyframes shootingStar {
  0% { opacity: 0; transform: translate(0, 0); }
  5% { opacity: 1; }
  30% { opacity: 0.6; transform: translate(-180px, 120px); }
  100% { opacity: 0; transform: translate(-300px, 200px); }
}

/* ══════════════════════════════════════════════
   SVG 星盘背景装饰
   ══════════════════════════════════════════════ */
.astrolabe-bg {
  position: fixed; z-index: 0; pointer-events: none;
  top: 50%; right: -10%; transform: translateY(-50%);
  width: 600px; height: 600px; opacity: 0.06;
  animation: slowSpin 120s linear infinite;
}
@keyframes slowSpin {
  from { transform: translateY(-50%) rotate(0deg); }
  to { transform: translateY(-50%) rotate(360deg); }
}
@media (max-width: 900px) {
  .astrolabe-bg { width: 400px; height: 400px; right: -20%; opacity: 0.04; }
}

/* 保证所有内容在星空和星盘之上 */
.topbar, .tab-nav, main { position: relative; z-index: 1; }

/* ══════════════════════════════════════════════
   Hero 首页区域
   ══════════════════════════════════════════════ */
.hero {
  padding: 4rem 2rem 3rem;
  text-align: center;
  position: relative; z-index: 1;
}
.hero-title {
  font-size: 2.4rem; font-weight: 700;
  line-height: 1.3; margin: 0 0 0.5rem;
}
.hero-title .gold {
  background: linear-gradient(135deg, #f5d76e, var(--accent), #c99a10);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-subtitle {
  font-size: 1rem; color: var(--text-secondary);
  max-width: 520px; margin: 0 auto 2rem; line-height: 1.7;
}
.hero-cta {
  display: flex; gap: 1rem; justify-content: center;
  flex-wrap: wrap; margin-bottom: 2.5rem;
}
.hero-cta .btn-primary {
  padding: 0.7rem 2rem; font-size: 1rem; border-radius: 10px;
  background: linear-gradient(135deg, var(--accent), #c99a10);
  color: #1a1a2e; font-weight: 600; border: none; cursor: pointer;
  transition: all 0.25s;
}
.hero-cta .btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(212,164,24,0.35);
}
.hero-cta .btn-secondary {
  padding: 0.7rem 2rem; font-size: 1rem; border-radius: 10px;
  background: transparent; color: var(--text-secondary);
  border: 1px solid var(--card-border); cursor: pointer;
  transition: all 0.25s;
}
.hero-cta .btn-secondary:hover {
  border-color: var(--accent); color: var(--accent);
}
.hero-stats {
  display: flex; gap: 3rem; justify-content: center;
  flex-wrap: wrap;
}
.hero-stat .number {
  font-size: 1.8rem; font-weight: 700;
  background: linear-gradient(135deg, var(--accent), #f5d76e);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-stat .label {
  font-size: 0.8rem; color: var(--muted);
  margin-top: 0.2rem;
}
.hero-divider {
  width: 80px; height: 2px; margin: 2rem auto;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
}

@media (max-width: 640px) {
  .hero { padding: 2.5rem 1rem 2rem; }
  .hero-title { font-size: 1.6rem; }
  .hero-stats { gap: 1.5rem; }
  .hero-stat .number { font-size: 1.3rem; }
}

/* ── 星命脉络卡片（第一阶段规则预览）── */
.rule-preview-card {
  margin: 1rem 0;
  padding: 1.2rem 1.5rem;
  background: rgba(212,164,24,0.05);
  border: 1px solid rgba(212,164,24,0.3);
  border-radius: 10px;
  font-family: 'Courier New', 'Menlo', monospace;
}
.rule-preview-header {
  display: flex; align-items: center; gap: 0.6rem;
  font-size: 14px; color: var(--accent); margin-bottom: 1rem;
  border-bottom: 1px solid rgba(212,164,24,0.2); padding-bottom: 0.8rem;
}
.rule-preview-icon { font-size: 1.2rem; }
.rule-section { margin-bottom: 1rem; }
.rule-section-title {
  font-size: 11px; color: var(--muted); letter-spacing: 0.1em;
  text-transform: uppercase; margin-bottom: 0.5rem;
}
.rule-entry {
  display: flex; align-items: baseline; gap: 0.5rem;
  padding: 0.3rem 0;
  animation: fadeInUp 0.3s ease both;
}
.rule-prefix { color: var(--accent); font-weight: bold; flex-shrink: 0; }
.pattern-entry .rule-prefix { color: var(--purple, #7b68ae); }
.rule-label { color: var(--text); font-size: 13px; }
.rule-effects { color: var(--muted); font-size: 11px; margin-left: 0.3rem; }
.rule-preview-footer {
  margin-top: 1rem; padding-top: 0.8rem;
  border-top: 1px solid rgba(212,164,24,0.15);
  font-size: 11px; color: var(--muted); line-height: 1.7;
  font-family: -apple-system, "PingFang SC", sans-serif;
}
.rule-preview-loading {
  color: var(--muted); font-size: 13px; padding: 0.5rem 0;
  animation: pulse 1.5s ease-in-out infinite;
}
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes pulse {
  0%, 100% { opacity: 0.5; }
  50% { opacity: 1; }
}

/* ── 宫位手风琴（第二阶段展示）── */
.palace-accordion {
  border: 1px solid var(--card-border);
  border-radius: 8px; margin-bottom: 6px;
  background: rgba(255,255,255,0.02);
}
.palace-accordion[open] {
  background: rgba(212,164,24,0.04);
  border-color: rgba(212,164,24,0.2);
}
.palace-summary {
  display: flex; align-items: center; gap: 0.6rem;
  padding: 0.7rem 1rem; cursor: pointer; list-style: none;
  color: var(--text);
}
.palace-summary::-webkit-details-marker { display: none; }
.palace-summary::before {
  content: "\25B6"; font-size: 10px; color: var(--muted);
  transition: transform 0.2s;
}
.palace-accordion[open] .palace-summary::before { transform: rotate(90deg); }
.palace-name { font-weight: 600; font-size: 14px; }
.palace-hit-badge {
  font-size: 11px; color: var(--accent);
  background: rgba(212,164,24,0.1); padding: 1px 6px; border-radius: 3px;
}
.palace-content {
  padding: 0.8rem 1rem 1rem;
  border-top: 1px solid var(--card-border);
  font-size: 14px; line-height: 1.8; color: var(--text);
}
.palace-content p { margin: 0; white-space: pre-wrap; }

/* ── 历史进行中条目 ── */
.history-item-pending { border-left: 3px solid #f59e0b; }
.history-item-pending:hover { background: rgba(245,158,11,0.05); cursor: pointer; }
.history-pending-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: #f59e0b; flex-shrink: 0;
  animation: pulse 1.2s ease-in-out infinite;
}
.history-scope-pending { background: #f59e0b !important; }

/* ── tab 角标 ── */
.tab-badge {
  display: inline-block; width: 8px; height: 8px;
  background: #f59e0b; border-radius: 50%;
  margin-left: 4px; vertical-align: middle;
  animation: pulse 1.2s ease-in-out infinite;
}

/* ── 综合解读强调 ── */
#synthesisText {
  font-size: 15px; line-height: 1.9;
  border-left: 3px solid rgba(212,164,24,0.4);
  padding-left: 1rem;
}