:root {
  --bg: #0b1421;
  --bg-2: #122033;
  --panel: rgba(255, 255, 255, 0.04);
  --panel-border: rgba(255, 255, 255, 0.1);
  --text: #ecf3ff;
  --muted: #9bb0c9;
  --primary: #4dd1ff;
  --accent: #ff9f43;
  --danger: #ff5f56;
  --ok: #45d69e;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: 'IBM Plex Sans', 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  color: var(--text);
  background:
    radial-gradient(1000px 500px at 20% -10%, rgba(77, 209, 255, 0.12), transparent 60%),
    radial-gradient(900px 450px at 100% 0%, rgba(255, 159, 67, 0.12), transparent 55%),
    linear-gradient(160deg, var(--bg), #0c1728 45%, #101e31 100%);
  min-height: 100vh;
}

a {
  color: var(--primary);
  text-decoration: none;
}

.container {
  width: min(1160px, calc(100% - 32px));
  margin: 0 auto;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(12px);
  background: rgba(8, 14, 25, 0.78);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 64px;
}

.brand {
  font-family: 'Space Grotesk', 'IBM Plex Sans', sans-serif;
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0.4px;
}

.brand span {
  color: var(--accent);
}

.nav {
  display: flex;
  gap: 14px;
}

.nav-link {
  color: var(--muted);
  font-size: 14px;
  padding: 8px 10px;
  border-radius: 10px;
  transition: 0.2s ease;
}

.nav-link:hover,
.nav-link.active {
  color: var(--text);
  background: rgba(77, 209, 255, 0.12);
}

.hero {
  padding: 80px 0 52px;
}

.hero h1 {
  margin: 0 0 14px;
  font-family: 'Space Grotesk', 'IBM Plex Sans', sans-serif;
  font-size: clamp(36px, 7vw, 60px);
  line-height: 1.05;
}

.hero p {
  margin: 0;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.6;
  max-width: 860px;
}

.cta-row {
  margin-top: 28px;
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid transparent;
  border-radius: 12px;
  padding: 11px 16px;
  font-size: 14px;
  font-weight: 600;
  transition: 0.2s ease;
}

.button-primary {
  color: #07111e;
  background: linear-gradient(135deg, #58d9ff, #8dd8ff);
}

.button-primary:hover {
  filter: brightness(1.06);
}

.button-ghost {
  color: var(--text);
  border-color: rgba(255, 255, 255, 0.2);
  background: rgba(255, 255, 255, 0.02);
}

.button-ghost:hover {
  border-color: rgba(77, 209, 255, 0.6);
  background: rgba(77, 209, 255, 0.08);
}

.grid-3,
.grid-2 {
  display: grid;
  gap: 14px;
}

.grid-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.grid-2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.card {
  background: linear-gradient(155deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.02));
  border: 1px solid var(--panel-border);
  border-radius: 16px;
  padding: 18px;
}

.card h3 {
  margin: 0 0 10px;
  font-size: 16px;
}

.card p,
.card li {
  color: var(--muted);
  line-height: 1.55;
}

.card ul {
  margin: 0;
  padding-left: 20px;
}

.section-title {
  margin: 0 0 14px;
  font-size: 22px;
  font-weight: 700;
}

.section {
  margin: 26px 0;
}

.kpi-grid {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 12px;
}

.kpi {
  background: linear-gradient(160deg, rgba(255, 255, 255, 0.045), rgba(255, 255, 255, 0.01));
  border: 1px solid var(--panel-border);
  border-radius: 14px;
  padding: 14px;
}

.kpi .label {
  font-size: 12px;
  letter-spacing: 0.3px;
  color: var(--muted);
}

.kpi .value {
  margin-top: 8px;
  font-family: 'Space Grotesk', 'IBM Plex Sans', sans-serif;
  font-size: 30px;
  font-weight: 700;
  line-height: 1.1;
}

.kpi .hint {
  margin-top: 6px;
  color: var(--muted);
  font-size: 12px;
}

.signal-strip {
  margin: 0 0 18px;
  padding: 14px 16px;
  border-radius: 12px;
  border: 1px solid var(--panel-border);
  background: rgba(255, 255, 255, 0.03);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.signal-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border-radius: 999px;
  padding: 7px 12px;
  font-size: 13px;
  font-weight: 700;
}

.signal-badge.buy {
  color: #190707;
  background: linear-gradient(120deg, #ff7d6e, #ffb390);
}

.signal-badge.wait {
  color: #072019;
  background: linear-gradient(120deg, #62e2b7, #9cf0d0);
}

canvas {
  width: 100% !important;
  max-width: 100%;
}

.chart-card {
  padding: 16px;
  background: rgba(255, 255, 255, 0.035);
  border: 1px solid var(--panel-border);
  border-radius: 16px;
}

.chart-wrap {
  height: 340px;
}

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--panel-border);
  border-radius: 14px;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
  min-width: 1160px;
  background: rgba(5, 9, 16, 0.3);
}

thead th {
  text-align: left;
  color: var(--muted);
  font-weight: 600;
  padding: 11px 10px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.02);
}

tbody td {
  padding: 10px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  color: #dbe8f7;
  white-space: nowrap;
}

tbody tr:last-child td {
  border-bottom: none;
}

.recommended-row td {
  background: rgba(77, 209, 255, 0.09);
}

.recommended-row td:first-child {
  border-left: 3px solid var(--primary);
}

.recommended-tag {
  display: inline-block;
  margin-left: 8px;
  padding: 2px 6px;
  border-radius: 999px;
  font-size: 11px;
  color: #04243a;
  background: linear-gradient(120deg, #8ae4ff, #5dcfff);
  font-family: 'IBM Plex Sans', 'Noto Sans SC', sans-serif;
  vertical-align: middle;
}

.rec-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.rec-name {
  font-size: 16px;
  font-weight: 700;
  color: #eaf4ff;
}

.rec-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.rec-item {
  padding: 8px 10px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.rec-item span {
  display: block;
  font-size: 11px;
  color: var(--muted);
  margin-bottom: 5px;
}

.rec-item strong {
  display: block;
  font-size: 13px;
  color: #e6f1ff;
  font-weight: 600;
}

.mono {
  font-family: 'JetBrains Mono', 'Consolas', monospace;
}

.footer {
  margin: 34px 0 20px;
  padding-top: 16px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--muted);
  font-size: 13px;
}

.note {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.6;
}

.badge-error {
  background: rgba(255, 95, 86, 0.2);
  color: #ffc8c4;
  border: 1px solid rgba(255, 95, 86, 0.4);
  padding: 6px 8px;
  border-radius: 9px;
  font-size: 12px;
}

.hidden {
  display: none;
}

@media (max-width: 1050px) {
  .kpi-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .grid-3 {
    grid-template-columns: 1fr;
  }
  .grid-2 {
    grid-template-columns: 1fr;
  }
  .rec-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 760px) {
  .hero {
    padding-top: 52px;
  }
  .hero p {
    font-size: 16px;
  }
  .kpi-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .chart-wrap {
    height: 280px;
  }
  .topbar-inner {
    min-height: 56px;
  }
}