/* ====== Reset & Base ====== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
:root {
  --bg: #0f0f1a;
  --card: #1a1a2e;
  --card-hover: #22223a;
  --text: #e0e0f0;
  --text-dim: #8888aa;
  --accent: #6c63ff;
  --green: #00c853;
  --red: #ff5252;
  --border: #2a2a44;
  --radius: 12px;
}
body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Noto Sans SC', sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  padding-bottom: 40px;
}
/* Light theme */
body.light-theme {
  --bg: #f5f5fa;
  --card: #ffffff;
  --card-hover: #f0f0f5;
  --text: #1a1a2e;
  --text-dim: #8888aa;
  --accent: #6c63ff;
  --border: #e0e0ea;
}
#app { max-width: 1200px; margin: 0 auto; padding: 16px; }

/* ====== Header ====== */
.header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 0;
  border-bottom: 1px solid var(--border);
  margin-bottom: 20px;
}
.header-left { display: flex; align-items: center; gap: 12px; }
.header-subtitle { color: var(--text-dim); font-size: 0.9rem; }
.header-right { display: flex; align-items: center; gap: 12px; }
.update-badge { font-size: 0.8rem; color: var(--text-dim); }
.btn-refresh {
  background: var(--card);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 6px 12px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 1rem;
  transition: 0.2s;
}
.btn-refresh:hover { background: var(--card-hover); }
.version-badge {
  background: var(--accent); color: #fff; padding: 2px 8px; border-radius: 8px;
  font-size: 0.7rem; font-weight: 600;
}
.currency-select {
  background: var(--card); border: 1px solid var(--border); color: var(--text);
  padding: 6px 10px; border-radius: 8px; font-size: 0.85rem; cursor: pointer;
  outline: none;
}
.currency-select:hover { background: var(--card-hover); }

/* ====== Summary Cards ====== */
.summary-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 12px;
  margin-bottom: 20px;
}
.summary-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  cursor: pointer;
  transition: 0.2s;
}
.summary-card:hover { background: var(--card-hover); transform: translateY(-2px); }
.summary-card.total { border-color: var(--accent); }
.summary-card.cash { border-color: #ffd700; }
.card-label { font-size: 0.8rem; color: var(--text-dim); margin-bottom: 6px; }
.card-value { font-size: 1.5rem; font-weight: 700; margin-bottom: 4px; }
.card-change { font-size: 0.85rem; }
.card-sub { font-size: 0.75rem; color: var(--text-dim); }
.positive { color: var(--green); }
.negative { color: var(--red); }

/* ====== Charts ====== */
.charts-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 20px;
}
@media (max-width: 768px) {
  .charts-grid { grid-template-columns: 1fr; }
}
.chart-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
}
.chart-card h3 { font-size: 0.95rem; margin-bottom: 12px; }
.chart-container {
  position: relative;
  height: 280px;
}

/* ====== Market Sections ====== */
.market-section {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 12px;
  overflow: hidden;
}
.market-section h2 {
  padding: 14px 16px;
  font-size: 1rem;
  cursor: pointer;
  user-select: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.market-section h2:hover { background: var(--card-hover); }
.toggle-icon { font-size: 0.7rem; transition: transform 0.2s; }
.toggle-icon.collapsed { transform: rotate(-90deg); }
.market-body { transition: max-height 0.3s ease; max-height: 2000px; overflow: hidden; }
.market-body.hidden { max-height: 0; }

/* ====== Table ====== */
.stock-table-wrap { overflow-x: auto; }
.stock-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
}
.stock-table th {
  padding: 10px 12px;
  text-align: right;
  background: rgba(108,99,255,0.08);
  color: var(--text-dim);
  font-weight: 600;
  font-size: 0.78rem;
  white-space: nowrap;
  cursor: pointer;
  user-select: none;
}
.stock-table th:first-child { text-align: left; }
.stock-table th:hover { color: var(--accent); }
.stock-table td {
  padding: 8px 12px;
  text-align: right;
  border-top: 1px solid var(--border);
  white-space: nowrap;
}
.stock-table td:first-child {
  text-align: left;
  font-weight: 600;
}
.stock-table tr:hover td { background: rgba(108,99,255,0.04); }
.stock-table .ticker-cell {
  display: flex;
  align-items: center;
  gap: 8px;
}
.ticker-color {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  display: inline-block;
  flex-shrink: 0;
}

/* ====== Responsive ====== */
/* Stock rows clickable */
.stock-table tbody tr { cursor: pointer; }
.stock-table tbody tr:hover td { background: rgba(108,99,255,0.08) !important; }

/* Toggle switch */
.toggle-wrap {
  display: flex; justify-content: space-between; align-items: center;
  padding: 12px 0; border-bottom: 1px solid var(--border);
}
.toggle-wrap:last-child { border-bottom: none; }
.toggle-label { font-size: 0.9rem; }
.toggle-desc { font-size: 0.75rem; color: var(--text-dim); margin-top: 2px; }
.toggle-switch {
  position: relative; width: 48px; height: 26px; cursor: pointer;
  background: #555; border-radius: 13px; transition: 0.2s; flex-shrink: 0;
}
.toggle-switch.on { background: var(--accent); }
.toggle-switch::after {
  content: ''; position: absolute; top: 3px; left: 3px;
  width: 20px; height: 20px; border-radius: 50%; background: #fff;
  transition: 0.2s;
}
.toggle-switch.on::after { left: 25px; }

/* Settings buttons */
.setting-group { margin-bottom: 16px; }
.setting-group-title { font-size: 0.8rem; font-weight: 600; margin-bottom: 8px; color: var(--text-dim); text-transform: uppercase; letter-spacing: 0.5px; }
.theme-btns, .lang-btns { display: flex; gap: 8px; }
.theme-btn, .lang-btn {
  flex: 1; padding: 10px; border-radius: 10px; border: 1px solid var(--border);
  background: var(--card); color: var(--text); cursor: pointer; font-size: 0.85rem; text-align: center; transition: 0.2s;
}
.theme-btn.active, .lang-btn.active { border-color: var(--accent); background: rgba(108,99,255,0.15); color: var(--accent); font-weight: 600; }

@media (max-width: 600px) {
  .summary-grid { grid-template-columns: 1fr 1fr; }
  .stock-table { font-size: 0.75rem; }
  .stock-table th, .stock-table td { padding: 6px 8px; }
}