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

:root {
  --bg: #0f1420;
  --panel: #1a2233;
  --panel-2: #222c44;
  --text: #e6ebf5;
  --muted: #8a94ad;
  --accent: #4f8cff;
  --up: #26d07c;
  --down: #ff5c6c;
  --border: #2c3a55;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: "Segoe UI", "Microsoft YaHei", system-ui, sans-serif;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

header {
  padding: 24px 20px 20px;
  text-align: center;
  border-bottom: 1px solid var(--border);
  background: linear-gradient(180deg, #141b2b, transparent);
}

header h1 {
  font-size: 24px;
  letter-spacing: 1px;
}

.subtitle {
  color: var(--muted);
  font-size: 13px;
  margin: 6px 0 16px;
}

.search-bar {
  display: flex;
  justify-content: center;
  gap: 8px;
  max-width: 520px;
  margin: 0 auto;
}

.search-bar input {
  flex: 1;
  padding: 11px 14px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--panel);
  color: var(--text);
  font-size: 15px;
  outline: none;
  text-transform: uppercase;
}

.search-bar input:focus {
  border-color: var(--accent);
}

.search-bar button {
  padding: 11px 22px;
  border: none;
  border-radius: 8px;
  background: var(--accent);
  color: #fff;
  font-size: 15px;
  cursor: pointer;
}

.search-bar button:hover {
  filter: brightness(1.1);
}

main {
  flex: 1;
  max-width: 1080px;
  width: 100%;
  margin: 0 auto;
  padding: 20px;
}

.nav-tabs {
  display: flex;
  gap: 8px;
  max-width: 1080px;
  margin: 16px auto 0;
  padding: 0 20px;
}

.nav-tab {
  padding: 9px 20px;
  border-radius: 8px 8px 0 0;
  border: 1px solid var(--border);
  border-bottom: none;
  background: var(--panel-2);
  color: var(--muted);
  cursor: pointer;
  font-size: 14px;
}

.nav-tab.active {
  background: var(--panel);
  color: var(--text);
  font-weight: 600;
}

#movers-table tbody tr {
  cursor: pointer;
}

.hot-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  max-width: 1080px;
  margin: 14px auto 0;
  padding: 10px 20px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow-x: auto;
  white-space: nowrap;
}

.hot-label {
  color: var(--muted);
  font-size: 13px;
  flex-shrink: 0;
}

.hot-bar select {
  padding: 6px 8px;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--panel-2);
  color: var(--text);
  font-size: 13px;
  flex-shrink: 0;
}

.hot-chips {
  display: flex;
  gap: 8px;
}

.hot-chip {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 10px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--panel-2);
  color: var(--text);
  font-size: 12px;
  cursor: pointer;
  flex-shrink: 0;
}

.hot-chip:hover {
  border-color: var(--accent);
  background: rgba(79, 140, 255, 0.12);
}

.hot-chip em {
  font-style: normal;
  color: var(--muted);
  font-size: 11px;
}

.calc-btn {
  padding: 4px 10px;
  border-radius: 6px;
  border: 1px solid var(--accent);
  background: rgba(79, 140, 255, 0.12);
  color: var(--accent);
  cursor: pointer;
  font-size: 12px;
}

.calc-btn:hover {
  background: var(--accent);
  color: #fff;
}

.calc-grid {
  display: grid;
  grid-template-columns: minmax(260px, 320px) 1fr;
  gap: 18px;
  margin-top: 12px;
}

@media (max-width: 760px) {
  .calc-grid { grid-template-columns: 1fr; }
}

.calc-form {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.calc-row {
  display: flex;
  align-items: center;
  gap: 10px;
}

.calc-row label {
  width: 90px;
  color: var(--muted);
  font-size: 13px;
  flex-shrink: 0;
}

.calc-row input,
.calc-row select {
  flex: 1;
  padding: 8px 10px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--panel-2);
  color: var(--text);
  font-size: 14px;
}

.calc-metrics {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: 10px;
  margin-bottom: 14px;
}

.risk-title {
  font-size: 15px;
  margin: 6px 0 10px;
  color: var(--muted);
}

.pnl-table {
  min-width: 100%;
  font-size: 13px;
}

.index-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 14px;
}

.index-ranges {
  display: flex;
  gap: 6px;
}

.range-btn {
  padding: 6px 14px;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--panel-2);
  color: var(--muted);
  cursor: pointer;
  font-size: 13px;
}

.range-btn.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

.index-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 14px;
}

.index-card {
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px;
}

.index-card .i-name {
  display: block;
  color: var(--muted);
  font-size: 13px;
  margin-bottom: 4px;
}

.index-card .i-price {
  display: inline-block;
  font-size: 24px;
  font-weight: 700;
}

.index-card .i-chg {
  display: inline-block;
  margin-left: 8px;
  font-size: 14px;
}

.index-card .i-chart {
  height: 140px;
  margin-top: 10px;
  background: rgba(0, 0, 0, 0.15);
  border-radius: 8px;
  overflow: hidden;
}

#suggest-table tbody tr {
  cursor: pointer;
}

.suggest-reasons .tag {
  display: inline-block;
  margin: 2px 4px 2px 0;
  padding: 2px 8px;
  border-radius: 6px;
  background: rgba(79, 140, 255, 0.15);
  border: 1px solid rgba(79, 140, 255, 0.4);
  color: var(--accent);
  font-size: 11px;
  white-space: nowrap;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 18px;
  margin-bottom: 20px;
}

.hidden {
  display: none;
}

/* quote */
.quote-header {
  display: flex;
  align-items: baseline;
  gap: 16px;
  flex-wrap: wrap;
}

.quote-header h2 {
  font-size: 20px;
}

.price {
  font-size: 32px;
  font-weight: 700;
}

.live-toggle {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  margin-left: auto;
  color: var(--muted);
  font-size: 13px;
  cursor: pointer;
}

.live-toggle input {
  accent-color: var(--accent);
}

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

.chart {
  margin: 16px 0;
  background: var(--panel-2);
  border-radius: 8px;
  padding: 8px;
  height: 180px;
}

.quote-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 10px;
}

.stat {
  background: var(--panel-2);
  border-radius: 8px;
  padding: 10px 12px;
}

.stat span {
  display: block;
  color: var(--muted);
  font-size: 12px;
  margin-bottom: 4px;
}

/* options */
.exp-bar {
  margin: 12px 0;
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.exp-bar select {
  padding: 8px 10px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--panel-2);
  color: var(--text);
  font-size: 14px;
}

.tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 12px;
}

.tab {
  padding: 8px 18px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--panel-2);
  color: var(--text);
  cursor: pointer;
}

.tab.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

.table-wrap {
  overflow-x: auto;
  border-radius: 8px;
  border: 1px solid var(--border);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
  min-width: 640px;
}

th, td {
  padding: 9px 12px;
  text-align: right;
  white-space: nowrap;
  border-bottom: 1px solid var(--border);
}

th:first-child, td:first-child {
  text-align: left;
}

th {
  background: var(--panel-2);
  color: var(--muted);
  font-weight: 600;
  position: sticky;
  top: 0;
}

tbody tr:hover {
  background: rgba(79, 140, 255, 0.08);
}

.itm {
  color: var(--up);
}

.otm {
  color: var(--muted);
}

.status {
  margin-top: 12px;
  color: var(--muted);
  font-size: 13px;
}

/* error */
.error {
  border-color: var(--down);
  color: var(--down);
}

footer {
  text-align: center;
  padding: 16px;
  color: var(--muted);
  font-size: 12px;
  border-top: 1px solid var(--border);
}