:root {
  --bg: #0d0e14;
  --bg-panel: #15171f;
  --bg-card: #1a1d28;
  --border: #2a2d3a;
  --text: #e8e8ec;
  --text-dim: #9a9caa;
  --accent: #8b6cf0;
  --accent-2: #d4af37;
  --ally: #4caf7d;
  --flow: #4c9af0;
  --caution: #d4af37;
  --challenge: #e0574c;
  --danger: #e0574c;
  --radius: 10px;
}

* { box-sizing: border-box; }

[hidden] { display: none !important; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  line-height: 1.5;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.9rem 1.5rem;
  border-bottom: 1px solid var(--border);
  background: var(--bg-panel);
  flex-wrap: wrap;
  gap: 0.75rem;
}

.brand {
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: 0.02em;
}
.brand span { color: var(--accent-2); }

.tabs { display: flex; gap: 0.4rem; }
.tab-btn {
  background: transparent;
  border: 1px solid transparent;
  color: var(--text-dim);
  padding: 0.5rem 0.9rem;
  border-radius: var(--radius);
  cursor: pointer;
  font-size: 0.92rem;
}
.tab-btn:hover { color: var(--text); }
.tab-btn.active { color: var(--text); background: var(--bg-card); border-color: var(--border); }

.topbar-right { display: flex; align-items: center; gap: 0.75rem; }
.user-email { color: var(--text-dim); font-size: 0.85rem; }

main { max-width: 960px; margin: 0 auto; padding: 1.5rem; }

.view[hidden] { display: none; }

/* Auth */
.auth-card {
  max-width: 460px;
  margin: 3rem auto;
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
}
.auth-card h1 { font-size: 1.4rem; margin: 0 0 0.5rem; }
.lede { color: var(--text-dim); margin: 0 0 1.5rem; font-size: 0.95rem; }
.auth-tabs { display: flex; gap: 0.5rem; margin-bottom: 1.25rem; }
.auth-tab-btn {
  flex: 1;
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-dim);
  padding: 0.5rem;
  border-radius: var(--radius);
  cursor: pointer;
}
.auth-tab-btn.active { color: var(--text); border-color: var(--accent); }
.auth-form { display: flex; flex-direction: column; gap: 0.9rem; }
.auth-form[hidden] { display: none; }

label {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  font-size: 0.85rem;
  color: var(--text-dim);
}
.block-label { margin-bottom: 1rem; max-width: 340px; }

input, select, textarea {
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 0.55rem 0.7rem;
  border-radius: 8px;
  font-size: 0.95rem;
  font-family: inherit;
}
input:focus, select:focus, textarea:focus { outline: 1px solid var(--accent); }

.btn {
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--text);
  padding: 0.6rem 1.1rem;
  border-radius: 8px;
  cursor: pointer;
  font-size: 0.92rem;
  font-weight: 600;
}
.btn:hover { border-color: var(--accent); }
.btn-primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn-primary:hover { opacity: 0.9; }
.btn-ghost { background: transparent; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

.error-text { color: var(--challenge); font-size: 0.88rem; margin-top: 1rem; }

/* Panels */
.tab-panel[hidden] { display: none; }
.panel-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 1.25rem; }
h2 { font-size: 1.2rem; margin: 0 0 1rem; }

.card {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
}
.form-card { display: flex; flex-direction: column; gap: 1rem; max-width: 480px; margin-top: 1rem; }
.form-card[hidden] { display: none; }
.row-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 0.75rem; }
.form-actions { display: flex; gap: 0.6rem; }
.hint { color: var(--text-dim); font-size: 0.82rem; margin-top: 0.25rem; }

.account-status-card { max-width: 480px; }
.account-status-label { color: var(--text-dim); font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.03em; margin: 0 0 0.4rem; }
.tier-badge { display: inline-block; font-weight: 700; font-size: 1.1rem; padding: 0.25rem 0.8rem; border-radius: 999px; margin: 0; }
.tier-badge.tier-free { background: rgba(154,156,170,0.15); color: var(--text-dim); }
.tier-badge.tier-entry { background: rgba(139,108,240,0.18); color: var(--accent); }
.tier-badge.tier-premium { background: rgba(212,175,55,0.18); color: var(--accent-2); }

.card-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 0.9rem; }
.chart-card {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem;
}
.chart-card h4 { margin: 0 0 0.3rem; font-size: 1rem; }
.chart-card p { margin: 0; color: var(--text-dim); font-size: 0.82rem; }
.empty-note { color: var(--text-dim); font-size: 0.9rem; }

/* Target tabs */
.target-tabs { display: flex; flex-wrap: wrap; gap: 0.4rem; margin-bottom: 0.5rem; }
.target-tab-btn {
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-dim);
  padding: 0.45rem 0.85rem;
  border-radius: 999px;
  cursor: pointer;
  font-size: 0.85rem;
}
.target-tab-btn.active { color: #fff; background: var(--accent); border-color: var(--accent); }
.target-fields { display: flex; flex-direction: column; gap: 0.8rem; }
.target-fields[hidden] { display: none; }

/* Results */
.result-area { margin-top: 1.5rem; }
.result-card {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
}
.result-head { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 0.5rem; margin-bottom: 0.75rem; }
.result-head h3 { margin: 0; font-size: 1.05rem; }

.affinity-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.3rem 0.7rem;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}
.affinity-ally { background: rgba(76,175,125,0.15); color: var(--ally); }
.affinity-flow { background: rgba(76,154,240,0.15); color: var(--flow); }
.affinity-caution { background: rgba(212,175,55,0.15); color: var(--caution); }
.affinity-challenge { background: rgba(224,87,76,0.15); color: var(--challenge); }

.insight-summary { color: var(--text); margin: 0.5rem 0 1rem; font-size: 0.95rem; }
.reading-text {
  color: var(--text);
  margin: 0.25rem 0 1.1rem;
  font-size: 1rem;
  line-height: 1.6;
  padding: 0.9rem 1rem;
  background: var(--bg-card);
  border-left: 3px solid var(--accent);
  border-radius: 6px;
}
.event-note { color: var(--text-dim); font-size: 0.85rem; margin: 0 0 1rem; font-style: italic; border-left: 2px solid var(--border); padding-left: 0.6rem; }

.facts-subhead { font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.03em; color: var(--text-dim); margin: 1rem 0 0.5rem; }
.facts-subhead:first-child { margin-top: 0; }
.readings-history-title { font-size: 1rem; margin: 2rem 0 0.75rem; color: var(--text-dim); }
.premium-section-title { font-size: 1.15rem; margin: 2.5rem 0 0.25rem; color: var(--accent-2); }
.premium-subhead { font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.03em; color: var(--accent-2); margin: 1rem 0 0.35rem; }

.quote-card-block { margin: 0 0 1.25rem; }
.quote-preview {
  background: linear-gradient(160deg, #14111f, #1a1625);
  border: 1px solid rgba(212,175,55,0.35);
  border-radius: 10px;
  padding: 1.5rem 1.25rem;
  text-align: center;
}
.quote-preview-text { font-family: Georgia, "Times New Roman", serif; font-size: 1.15rem; font-weight: 600; color: var(--text); margin: 0 0 0.6rem; line-height: 1.5; }
.quote-preview-attr { font-size: 0.78rem; color: var(--text-dim); margin: 0; }
.quote-actions { display: flex; gap: 0.6rem; margin-top: 0.75rem; }

.numerology-entry {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.75rem 0.9rem;
  margin-bottom: 0.6rem;
}
.numerology-entry-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 0.35rem; }
.numerology-title { font-size: 0.85rem; color: var(--text-dim); }
.numerology-badge {
  font-weight: 700;
  font-size: 0.9rem;
  padding: 0.15rem 0.55rem;
  border-radius: 999px;
  background: rgba(139,108,240,0.15);
  color: var(--accent);
}
.numerology-badge.master { background: rgba(212,175,55,0.18); color: var(--accent-2); }
.numerology-meaning { margin: 0; font-size: 0.85rem; color: var(--text); line-height: 1.5; }
.numerology-source { margin: 0.35rem 0 0; font-size: 0.75rem; color: var(--text-dim); font-style: italic; }

.chart-details { margin-top: 0.5rem; }
.chart-details summary {
  cursor: pointer;
  color: var(--text-dim);
  font-size: 0.85rem;
  padding: 0.3rem 0;
}
.chart-details summary:hover { color: var(--text); }
.chart-details[open] summary { margin-bottom: 0.6rem; }

.pillar-table { width: 100%; border-collapse: collapse; font-size: 0.85rem; margin-bottom: 1rem; }
.pillar-table th, .pillar-table td { text-align: left; padding: 0.4rem 0.5rem; border-bottom: 1px solid var(--border); }
.pillar-table th { color: var(--text-dim); font-weight: 600; }
.hanzi { color: var(--text-dim); font-size: 0.78rem; }

.resonance-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 0.6rem; }
.resonance-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: 8px; padding: 0.7rem; font-size: 0.82rem; }
.resonance-card .label { color: var(--text-dim); text-transform: uppercase; font-size: 0.7rem; letter-spacing: 0.03em; margin-bottom: 0.3rem; }
.resonance-card .value { font-weight: 700; }

.unsaved-note { color: var(--caution); font-size: 0.82rem; margin-top: 0.75rem; }

/* History */
.history-item {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem;
  margin-bottom: 0.75rem;
  cursor: pointer;
}
.history-item-head { display: flex; align-items: center; justify-content: space-between; }
.history-item-head .type-tag { color: var(--text-dim); font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.03em; }
.history-item-head .when { color: var(--text-dim); font-size: 0.78rem; }
.history-item h4 { margin: 0.2rem 0; font-size: 1rem; }
.history-detail { margin-top: 0.75rem; display: none; }
.history-item.open .history-detail { display: block; }

.toast {
  position: fixed;
  bottom: 1.25rem;
  right: 1.25rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 0.75rem 1.1rem;
  border-radius: 8px;
  font-size: 0.88rem;
  max-width: 320px;
  box-shadow: 0 4px 16px rgba(0,0,0,0.4);
}
.toast.error { border-color: var(--danger); color: var(--danger); }
.toast[hidden] { display: none; }

@media (max-width: 640px) {
  .row-2 { grid-template-columns: 1fr; }
  main { padding: 1rem; }
}