:root {
  --bg: #0b1120;
  --card-bg: #111827;
  --border: #1f2937;
  --text: #f3f4f6;
  --text-muted: #9ca3af;
  --primary: #3b82f6;
  --up: #22c55e;
  --down: #ef4444;
  --gold: #f59e0b;
  --zone: #8b5cf6;
}

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

body {
  font-family: 'Noto Sans TC', 'Inter', system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
  min-height: 100vh;
}

.container { max-width: 1280px; margin: 0 auto; padding: 0 16px; }

/* Header */
.header {
  background: linear-gradient(180deg, #0f172a 0%, var(--bg) 100%);
  border-bottom: 1px solid var(--border);
  padding: 14px 0; position: sticky; top: 0; z-index: 100; backdrop-filter: blur(12px);
}
.header-inner { display: flex; justify-content: space-between; align-items: center; gap: 16px; }
.logo { display: flex; align-items: center; gap: 12px; }
.logo-icon {
  width: 42px; height: 42px; background: linear-gradient(135deg, #3b82f6, #8b5cf6);
  border-radius: 10px; display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 22px; color: white;
}
.logo h1 { font-size: 1.2rem; font-weight: 700; }
.subtitle { font-size: 0.78rem; color: var(--text-muted); }
.header-right { text-align: right; }
.status-badge {
  display: inline-block; background: rgba(245, 158, 11, 0.15); color: var(--gold);
  font-size: 0.75rem; padding: 4px 10px; border-radius: 999px; margin-bottom: 4px;
}
.update-time { font-size: 0.75rem; color: var(--text-muted); }

/* Tabs */
.market-tabs { display: flex; flex-wrap: wrap; gap: 8px; margin: 20px 0 12px; }
.tab {
  background: var(--card-bg); border: 1px solid var(--border); color: var(--text-muted);
  padding: 8px 16px; border-radius: 999px; font-size: 0.9rem; cursor: pointer;
  transition: all 0.2s; display: inline-flex; align-items: center; gap: 6px;
}
.tab:hover { border-color: var(--primary); color: var(--text); }
.tab.active { background: var(--primary); border-color: var(--primary); color: white; font-weight: 600; }
.watchlist-tab.active { background: linear-gradient(135deg, #f59e0b, #d97706); border-color: #f59e0b; }
.watch-count { background: rgba(0,0,0,0.25); font-size: 0.75rem; padding: 1px 7px; border-radius: 999px; min-width: 20px; text-align: center; }

/* Overview */
.market-overview { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 10px; margin-bottom: 20px; }
.index-card {
  background: var(--card-bg); border: 1px solid var(--border); border-radius: 12px; padding: 14px;
  transition: transform 0.2s, border-color 0.2s;
}
.index-card:hover { border-color: var(--primary); transform: translateY(-2px); }
.index-card.highlight { background: linear-gradient(135deg, rgba(59, 130, 246, 0.15), rgba(139, 92, 246, 0.1)); border-color: var(--primary); }
.index-name { font-size: 0.82rem; color: var(--text-muted); margin-bottom: 4px; }
.index-price { font-size: 1.3rem; font-weight: 700; }
.index-change { font-size: 0.85rem; margin-top: 2px; }
.index-change.up { color: var(--up); }
.index-change.down { color: var(--down); }

/* Zone */
.zone-info {
  background: linear-gradient(90deg, rgba(139, 92, 246, 0.12), transparent);
  border-left: 4px solid var(--zone); padding: 12px 16px; border-radius: 0 10px 10px 0;
  margin-bottom: 24px; display: flex; align-items: flex-start; gap: 12px;
}
.zone-badge { background: var(--zone); color: white; font-size: 0.75rem; font-weight: 600; padding: 4px 10px; border-radius: 6px; white-space: nowrap; }
.zone-info p { font-size: 0.88rem; color: var(--text-muted); }
.zone-info strong { color: #c4b5fd; }

/* Table */
.watchlist-section { margin-bottom: 28px; }
.section-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 10px; flex-wrap: wrap; gap: 10px; }
.section-header h2 { font-size: 1.1rem; }
.header-controls { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }

.search-control { position: relative; display: flex; align-items: center; }
.search-control input {
  background: var(--card-bg); border: 1px solid var(--border); color: var(--text);
  padding: 7px 32px 7px 12px; border-radius: 8px; font-size: 0.85rem; width: 180px; outline: none;
  transition: border-color 0.2s, width 0.2s;
}
.search-control input:focus { border-color: var(--primary); width: 220px; }
.search-control input::placeholder { color: var(--text-muted); }
.clear-btn { position: absolute; right: 8px; background: none; border: none; color: var(--text-muted); cursor: pointer; font-size: 0.85rem; padding: 2px 4px; }
.clear-btn:hover { color: var(--text); }

.sort-control { display: flex; align-items: center; gap: 8px; font-size: 0.85rem; color: var(--text-muted); }
.sort-control select {
  background: var(--card-bg); border: 1px solid var(--border); color: var(--text);
  padding: 6px 12px; border-radius: 8px; font-size: 0.85rem; cursor: pointer; outline: none;
}
.sort-control select:hover, .sort-control select:focus { border-color: var(--primary); }

.table-wrapper { overflow-x: auto; border: 1px solid var(--border); border-radius: 12px; background: var(--card-bg); }
.stock-table { width: 100%; border-collapse: collapse; font-size: 0.86rem; min-width: 1020px; }
.stock-table th { background: #0f172a; color: var(--text-muted); font-weight: 500; text-align: left; padding: 11px 10px; border-bottom: 1px solid var(--border); white-space: nowrap; }
.stock-table td { padding: 11px 10px; border-bottom: 1px solid var(--border); }
.stock-table tbody tr { cursor: pointer; transition: background 0.15s; }
.stock-table tbody tr:hover { background: rgba(59, 130, 246, 0.08); }
.stock-table tbody tr:last-child td { border-bottom: none; }
.stock-table tbody tr.active-row { background: rgba(59, 130, 246, 0.15); }

.star-btn { background: none; border: none; font-size: 1.15rem; cursor: pointer; color: #4b5563; transition: color 0.2s, transform 0.15s; padding: 2px 4px; line-height: 1; }
.star-btn:hover { transform: scale(1.2); }
.star-btn.active { color: #f59e0b; }

.market-tag { font-size: 0.7rem; font-weight: 600; padding: 2px 6px; border-radius: 4px; }
.market-tag.tw { background: rgba(239, 68, 68, 0.15); color: #f87171; }
.market-tag.us { background: rgba(59, 130, 246, 0.15); color: #60a5fa; }
.symbol { font-weight: 700; color: var(--primary); }
.change-up { color: var(--up); }
.change-down { color: var(--down); }
.signal-tag { display: inline-block; font-size: 0.72rem; font-weight: 600; padding: 3px 7px; border-radius: 6px; }
.signal-tag.strong { background: rgba(139, 92, 246, 0.2); color: #c4b5fd; }
.signal-tag.buy { background: rgba(34, 197, 94, 0.15); color: var(--up); }
.signal-tag.watch { background: rgba(245, 158, 11, 0.15); color: var(--gold); }

.empty-state { text-align: center; padding: 48px 20px; color: var(--text-muted); background: var(--card-bg); border: 1px dashed var(--border); border-radius: 12px; margin-top: 8px; }
.empty-state p { font-size: 1.05rem; margin-bottom: 6px; }
.empty-hint { font-size: 0.85rem; opacity: 0.8; }

/* Ticker */
.ticker-section { margin-bottom: 28px; }
.ticker-label { font-size: 0.82rem; color: var(--text-muted); margin-bottom: 6px; }
.ticker-wrapper { overflow: hidden; background: var(--card-bg); border: 1px solid var(--border); border-radius: 10px; height: 46px; position: relative; }
.ticker-track { display: flex; gap: 36px; position: absolute; white-space: nowrap; animation: ticker 45s linear infinite; padding: 11px 0; }
.ticker-track:hover { animation-play-state: paused; }
@keyframes ticker { 0% { transform: translateX(0); } 100% { transform: translateX(-50%); } }
.ticker-item { display: inline-flex; align-items: center; gap: 7px; font-size: 0.88rem; }
.ticker-item .sym { font-weight: 700; color: var(--primary); }
.ticker-item .chg.up { color: var(--up); }
.ticker-item .chg.down { color: var(--down); }

/* Cards */
.signal-cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(270px, 1fr)); gap: 14px; margin-bottom: 28px; }
.signal-card { background: var(--card-bg); border: 1px solid var(--border); border-radius: 14px; padding: 16px; transition: border-color 0.2s, transform 0.2s; cursor: pointer; }
.signal-card:hover { border-color: var(--primary); transform: translateY(-3px); }
.card-header { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 10px; }
.card-symbol { font-size: 1.25rem; font-weight: 700; color: var(--primary); }
.card-name { font-size: 0.82rem; color: var(--text-muted); }
.price-row { display: flex; justify-content: space-between; margin: 6px 0; font-size: 0.88rem; }
.price-row .label { color: var(--text-muted); }
.price-row .value { font-weight: 600; }
.price-row .entry { color: var(--up); }
.price-row .stop { color: var(--down); }
.price-row .exit { color: var(--gold); }
.card-reason { font-size: 0.82rem; color: var(--text-muted); margin-top: 10px; padding-top: 10px; border-top: 1px solid var(--border); }

/* Chart */
.chart-section { margin-bottom: 32px; }
.chart-controls { display: flex; gap: 6px; }
.chart-tf { background: var(--card-bg); border: 1px solid var(--border); color: var(--text-muted); padding: 5px 12px; border-radius: 6px; font-size: 0.8rem; cursor: pointer; transition: all 0.2s; }
.chart-tf:hover { border-color: var(--primary); color: var(--text); }
.chart-tf.active { background: var(--primary); border-color: var(--primary); color: white; }
.chart-container { background: var(--card-bg); border: 1px solid var(--border); border-radius: 14px; padding: 16px; }
.chart-info { display: flex; justify-content: space-between; align-items: center; margin-bottom: 12px; }
.chart-symbol-name { font-size: 1.05rem; font-weight: 600; }
.chart-price { font-size: 1.1rem; font-weight: 700; }
.chart-wrapper { position: relative; height: 220px; margin-bottom: 8px; }
.volume-wrapper { height: 100px; }
.chart-levels { display: flex; gap: 16px; flex-wrap: wrap; margin-top: 12px; padding-top: 12px; border-top: 1px solid var(--border); font-size: 0.85rem; }
.level { padding: 4px 10px; border-radius: 6px; font-weight: 500; }
.level.entry { background: rgba(34, 197, 94, 0.15); color: var(--up); }
.level.stop { background: rgba(239, 68, 68, 0.15); color: var(--down); }
.level.exit { background: rgba(245, 158, 11, 0.15); color: var(--gold); }

/* AI Analysis - Expanded */
.ai-section { margin-bottom: 40px; }
.ai-refresh-btn {
  background: linear-gradient(135deg, #8b5cf6, #6d28d9);
  border: none; color: white; padding: 7px 16px; border-radius: 8px;
  font-size: 0.85rem; cursor: pointer; transition: opacity 0.2s, transform 0.15s;
}
.ai-refresh-btn:hover { opacity: 0.9; transform: translateY(-1px); }
.ai-refresh-btn:disabled { opacity: 0.5; cursor: not-allowed; transform: none; }

.ai-container {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 20px;
  min-height: 200px;
}

.ai-placeholder {
  display: flex; align-items: center; justify-content: center;
  height: 160px; color: var(--text-muted); font-size: 0.95rem;
}

.ai-header {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 18px; padding-bottom: 14px; border-bottom: 1px solid var(--border);
}
.ai-symbol { font-size: 1.3rem; font-weight: 700; color: var(--primary); margin-right: 10px; }
.ai-name { font-size: 0.95rem; color: var(--text-muted); }

.ai-score {
  font-size: 0.9rem; font-weight: 600; padding: 6px 14px; border-radius: 999px;
}
.ai-score.high { background: rgba(34, 197, 94, 0.15); color: var(--up); }
.ai-score.medium { background: rgba(245, 158, 11, 0.15); color: var(--gold); }
.ai-score.low { background: rgba(239, 68, 68, 0.15); color: var(--down); }

.ai-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 14px;
  margin-bottom: 18px;
}

.ai-card {
  background: #0f172a;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 14px;
  transition: border-color 0.2s;
}
.ai-card:hover { border-color: rgba(139, 92, 246, 0.4); }

.ai-card-title {
  font-size: 0.78rem; font-weight: 600; color: var(--zone);
  margin-bottom: 8px; text-transform: uppercase; letter-spacing: 0.03em;
}
.ai-card-body { font-size: 0.9rem; color: var(--text); line-height: 1.55; }
.ai-card-body strong { color: #c4b5fd; }

.ai-summary {
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.12), rgba(59, 130, 246, 0.08));
  border: 1px solid rgba(139, 92, 246, 0.3);
  border-radius: 12px;
  padding: 16px;
}
.ai-summary-title { font-size: 0.85rem; font-weight: 600; color: #c4b5fd; margin-bottom: 8px; }
.ai-summary-body { font-size: 0.95rem; line-height: 1.6; }

.ai-disclaimer {
  margin-top: 14px; font-size: 0.75rem; color: var(--text-muted); opacity: 0.8;
}

/* Disclaimer */
.disclaimer { border-top: 1px solid var(--border); padding: 22px 0 40px; font-size: 0.8rem; color: var(--text-muted); line-height: 1.6; }
.disclaimer strong { color: #f87171; }
.powered { margin-top: 10px; font-size: 0.75rem; opacity: 0.7; }

@media (max-width: 640px) {
  .header-inner { flex-direction: column; align-items: flex-start; }
  .header-right { text-align: left; }
  .section-header { flex-direction: column; align-items: flex-start; gap: 8px; }
  .header-controls { flex-direction: column; align-items: flex-start; gap: 8px; width: 100%; }
  .search-control input, .search-control input:focus { width: 100%; }
  .chart-wrapper { height: 180px; }
  .volume-wrapper { height: 80px; }
  .ai-header { flex-direction: column; align-items: flex-start; gap: 10px; }
}