/* StockPulse — Dark Theme */
:root {
  --bg-primary: #020617;
  --bg-secondary: #0f172a;
  --bg-tertiary: #1e293b;
  --border: #1e293b;
  --border-hover: #334155;
  --text-primary: #f8fafc;
  --text-secondary: #cbd5e1;
  --text-muted: #94a3b8;
  --text-dim: #64748b;
  --green: #22c55e;
  --green-light: #4ade80;
  --red: #ef4444;
  --red-light: #f87171;
  --blue: #3b82f6;
  --blue-light: #60a5fa;
  --yellow: #f59e0b;
  --purple: #a855f7;
  --font-sans: 'Noto Sans TC', 'SF Pro Display', -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

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

body {
  font-family: var(--font-sans);
  background: linear-gradient(135deg, var(--bg-primary), var(--bg-secondary), var(--bg-primary));
  color: var(--text-primary);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

/* ── Header ── */
.app-header {
  position: sticky; top: 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: 10px 16px;
  background: rgba(2, 6, 23, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.logo {
  font-size: 20px; font-weight: 800;
  background: linear-gradient(135deg, var(--blue-light), var(--purple));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}

.header-actions { display: flex; gap: 8px; align-items: center; }

/* ── Buttons ── */
.btn {
  padding: 6px 14px; border-radius: 8px; border: none;
  font-size: 13px; font-family: var(--font-sans);
  cursor: pointer; transition: all 0.2s ease;
  display: inline-flex; align-items: center; gap: 4px;
}

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

.btn-blue {
  background: linear-gradient(135deg, #1d4ed8, #7c3aed);
  color: white;
}
.btn-blue:hover { opacity: 0.9; }

.btn-push-off { background: transparent; color: var(--text-dim); border: 1px solid var(--border); }
.btn-push-on { background: transparent; color: var(--green); border: 1px solid var(--green); }

/* ── Main Container ── */
.main-content {
  max-width: 820px; margin: 0 auto;
  padding: 12px 16px 40px;
}

/* ── Watchlist Cards ── */
.watchlist-cards {
  display: flex; gap: 8px; overflow-x: auto;
  padding: 4px 0 8px; margin-bottom: 16px;
  scrollbar-width: none;
}
.watchlist-cards::-webkit-scrollbar { display: none; }

.stock-card {
  min-width: 135px; flex-shrink: 0;
  background: var(--bg-secondary);
  border: 1px solid var(--border); border-radius: 10px;
  padding: 10px 12px; cursor: pointer;
  transition: all 0.2s ease; position: relative;
}
.stock-card:hover { border-color: var(--border-hover); }
.stock-card.active { border-color: var(--blue); }
.stock-card.active::before {
  content: ''; position: absolute; top: 0; left: 10%; right: 10%; height: 2px;
  background: linear-gradient(90deg, transparent, var(--blue), transparent);
}

.card-name { font-size: 13px; font-weight: 700; margin-bottom: 2px; }
.card-symbol { font-size: 11px; color: var(--text-dim); }
.card-price { font-size: 18px; font-weight: 800; font-family: var(--font-mono); margin: 4px 0 2px; }
.card-change { font-size: 12px; font-family: var(--font-mono); font-weight: 600; }
.card-remove {
  position: absolute; top: 6px; right: 8px;
  background: none; border: none; color: var(--text-dim);
  cursor: pointer; font-size: 14px; opacity: 0; transition: opacity 0.2s;
}
.stock-card:hover .card-remove { opacity: 1; }

.add-card {
  min-width: 50px; flex-shrink: 0;
  background: transparent;
  border: 1px dashed var(--border); border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; color: var(--text-dim); font-size: 20px;
  transition: all 0.2s ease;
}
.add-card:hover { border-color: var(--blue); color: var(--blue); }

.up { color: var(--green); }
.down { color: var(--red); }

/* ── Add Stock Panel ── */
.add-panel {
  background: var(--bg-secondary); border: 1px solid var(--border); border-radius: 12px;
  padding: 16px; margin-bottom: 16px; display: none;
}
.add-panel.show { display: block; }

.market-tabs { display: flex; gap: 6px; margin-bottom: 12px; }
.market-tab {
  padding: 6px 16px; border-radius: 6px; border: 1px solid var(--border);
  background: transparent; color: var(--text-muted); cursor: pointer;
  font-size: 13px; font-family: var(--font-sans); transition: all 0.2s;
}
.market-tab.active { background: var(--blue); color: white; border-color: var(--blue); }

.preset-grid { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 12px; }
.preset-btn {
  padding: 6px 12px; border-radius: 6px; border: 1px solid var(--border);
  background: var(--bg-tertiary); color: var(--text-secondary);
  cursor: pointer; font-size: 12px; font-family: var(--font-sans); transition: all 0.2s;
}
.preset-btn:hover { border-color: var(--blue); color: var(--blue); }

.custom-input-row { display: flex; gap: 8px; }
.custom-input-row input {
  flex: 1; padding: 8px 10px; border-radius: 6px;
  border: 1px solid var(--border); background: var(--bg-primary);
  color: var(--text-primary); font-size: 13px; font-family: var(--font-sans);
  outline: none; transition: border-color 0.2s;
}
.custom-input-row input:focus { border-color: var(--blue); }
.custom-input-row input::placeholder { color: var(--text-dim); }

/* ── Chart Area ── */
.chart-section { margin-bottom: 16px; }

.chart-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 8px;
}
.chart-stock-name { font-size: 18px; font-weight: 800; }
.chart-market-badge {
  font-size: 10px; padding: 2px 6px; border-radius: 4px;
  background: rgba(168, 85, 247, 0.15); color: var(--purple);
  margin-left: 8px;
}
.chart-price-row {
  display: flex; align-items: baseline; gap: 10px; margin-bottom: 6px;
}
.chart-price { font-size: 28px; font-weight: 800; font-family: var(--font-mono); }
.chart-change { font-size: 14px; font-weight: 600; font-family: var(--font-mono); }

.ma-legend {
  display: flex; gap: 14px; font-size: 12px; font-family: var(--font-mono);
  color: var(--text-muted); margin-bottom: 6px;
}
.ma-legend .ma5 { color: var(--yellow); }
.ma-legend .ma20 { color: var(--blue); }
.ma-legend .ma60 { color: var(--purple); }

.chart-container {
  background: var(--bg-secondary); border: 1px solid var(--border);
  border-radius: 12px; padding: 8px; position: relative;
  overflow: hidden;
}
.chart-container svg { width: 100%; height: auto; display: block; }

.chart-tooltip {
  position: absolute; top: 12px; right: 12px;
  background: rgba(15, 23, 42, 0.92); backdrop-filter: blur(8px);
  border: 1px solid var(--border); border-radius: 8px;
  padding: 8px 10px; font-size: 11px; font-family: var(--font-mono);
  color: var(--text-secondary); pointer-events: none;
  display: none; z-index: 10; min-width: 130px;
}
.chart-tooltip.show { display: block; }

.chart-footer {
  display: flex; justify-content: space-between; align-items: center;
  margin-top: 6px; font-size: 11px; color: var(--text-dim);
}

.chart-placeholder {
  height: 300px; display: flex; align-items: center; justify-content: center;
  color: var(--text-dim); font-size: 14px;
}

/* ── Alert Config ── */
.alert-panel {
  background: var(--bg-secondary); border: 1px solid var(--border); border-radius: 12px;
  padding: 14px; margin-bottom: 16px; display: none;
}
.alert-panel.show { display: block; }

.alert-row {
  display: flex; align-items: center; justify-content: space-between;
  padding: 8px 0; border-bottom: 1px solid var(--border);
}
.alert-row:last-child { border-bottom: none; }
.alert-label { font-size: 13px; color: var(--text-secondary); }

.alert-input {
  width: 70px; padding: 4px 8px; border-radius: 6px;
  border: 1px solid var(--border); background: var(--bg-primary);
  color: var(--text-primary); font-size: 13px; font-family: var(--font-mono);
  text-align: center; outline: none;
}
.alert-input:focus { border-color: var(--blue); }

.toggle {
  width: 36px; height: 20px; border-radius: 10px;
  background: var(--bg-tertiary); border: 1px solid var(--border);
  cursor: pointer; position: relative; transition: all 0.2s;
}
.toggle.on { background: var(--blue); border-color: var(--blue); }
.toggle::after {
  content: ''; position: absolute; top: 2px; left: 2px;
  width: 14px; height: 14px; border-radius: 50%;
  background: white; transition: transform 0.2s;
}
.toggle.on::after { transform: translateX(16px); }

/* ── Notification Log ── */
.section-title {
  font-size: 14px; font-weight: 700; margin-bottom: 8px;
  color: var(--text-secondary);
}

.notification-log {
  background: var(--bg-secondary); border: 1px solid var(--border); border-radius: 12px;
  padding: 12px; margin-bottom: 16px; max-height: 180px; overflow-y: auto;
}

.notif-item {
  display: flex; justify-content: space-between; align-items: flex-start;
  padding: 6px 0; border-bottom: 1px solid rgba(30, 41, 59, 0.5);
  font-size: 12px;
}
.notif-item:last-child { border-bottom: none; }
.notif-msg { color: var(--text-secondary); flex: 1; }
.notif-time { color: var(--text-dim); font-family: var(--font-mono); font-size: 11px; white-space: nowrap; margin-left: 8px; }

.empty-state { color: var(--text-dim); font-size: 13px; text-align: center; padding: 20px 0; }

/* ── Overview Table ── */
.overview-table {
  width: 100%; border-collapse: collapse;
  font-size: 13px; font-family: var(--font-mono);
}
.overview-table th {
  text-align: left; padding: 8px 10px;
  color: var(--text-muted); font-size: 11px; font-weight: 600;
  border-bottom: 1px solid var(--border); text-transform: uppercase;
}
.overview-table td {
  padding: 8px 10px; border-bottom: 1px solid rgba(30, 41, 59, 0.4);
}
.overview-table tr { cursor: pointer; transition: background 0.15s; }
.overview-table tr:hover { background: rgba(59, 130, 246, 0.06); }
.overview-table tr.active { background: rgba(59, 130, 246, 0.08); }

.table-wrapper {
  background: var(--bg-secondary); border: 1px solid var(--border); border-radius: 12px;
  overflow-x: auto; margin-bottom: 16px;
}

/* ── Footer ── */
.app-footer {
  text-align: center; font-size: 11px; color: var(--text-dim);
  padding: 16px 0;
}

/* ── Modal Overlay ── */
.modal-overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,0.5);
  z-index: 200; display: none; align-items: center; justify-content: center;
}
.modal-overlay.show { display: flex; }

/* ── Responsive ── */
@media (max-width: 600px) {
  .main-content { padding: 8px 10px 30px; }
  .chart-price { font-size: 22px; }
  .chart-stock-name { font-size: 16px; }
  .stock-card { min-width: 115px; }
  .ma-legend { gap: 8px; font-size: 11px; }
  .custom-input-row { flex-direction: column; }
  .overview-table { font-size: 12px; }
  .overview-table th, .overview-table td { padding: 6px 8px; }
}