:root {
  --bg-0: #0b0f16;
  --bg-1: #0f1420;
  --bg-2: #111a28;
  --panel: rgba(17, 24, 36, 0.85);
  --panel-strong: rgba(20, 30, 45, 0.95);
  --accent: #f7c873;
  --accent-2: #74f2ce;
  --accent-3: #5aa2ff;
  --text: #eef3fb;
  --muted: #9fb0c3;
  --border: rgba(120, 160, 210, 0.18);
  --glow: rgba(90, 162, 255, 0.18);
  --shadow: 0 24px 70px rgba(0, 0, 0, 0.45);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: radial-gradient(900px 520px at 80% -10%, #1c2a3f, transparent),
    radial-gradient(700px 400px at 10% 0%, #1a2230, transparent),
    linear-gradient(160deg, var(--bg-0), var(--bg-1) 55%, var(--bg-2));
  color: var(--text);
  font-family: "Space Grotesk", sans-serif;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 28px;
  background: rgba(10, 15, 24, 0.88);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(16px);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-mark {
  width: 36px;
  height: 36px;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(116, 242, 206, 0.9), rgba(90, 162, 255, 0.9));
  box-shadow: 0 10px 30px rgba(90, 162, 255, 0.35);
}

.brand-title {
  font-weight: 700;
  letter-spacing: 0.02em;
}

.brand-sub {
  font-size: 12px;
  color: var(--muted);
}

.app-shell {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 24px;
  padding: 20px 24px 40px;
  min-height: calc(100vh - 72px);
}

.sidebar {
  position: sticky;
  top: 72px;
  align-self: start;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 18px;
  border-radius: 18px;
  background: var(--panel);
  border: 1px solid var(--border);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.35);
  height: 50%;
}

.sidebar-title {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--muted);
  margin-bottom: 6px;
}

.nav-item {
  display: block;
  padding: 10px 12px;
  border-radius: 12px;
  text-decoration: none;
  color: var(--text);
  background: rgba(16, 23, 34, 0.7);
  border: 1px solid transparent;
  transition: all 0.2s ease;
}

.nav-item:hover,
.nav-item.active {
  border-color: rgba(90, 162, 255, 0.4);
  background: rgba(90, 162, 255, 0.18);
}

.page {
  max-width: 1500px;
}

.hero {
  position: relative;
  background: linear-gradient(135deg, rgba(25, 40, 60, 0.9), rgba(15, 22, 33, 0.95));
  border: 1px solid var(--border);
  border-radius: 20px;
  box-shadow: var(--shadow);
  overflow: hidden;
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(260px 180px at 85% 30%, rgba(116, 242, 206, 0.18), transparent),
    radial-gradient(280px 200px at 10% 70%, rgba(90, 162, 255, 0.2), transparent);
  pointer-events: none;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 12px;
  color: var(--muted);
}

h1 {
  margin: 8px 0 4px;
  font-size: 28px;
}

.subtitle {
  margin: 0;
  color: var(--muted);
}

.status-pill {
  padding: 8px 14px;
  border-radius: 999px;
  background: rgba(116, 242, 206, 0.15);
  color: var(--accent-2);
  border: 1px solid rgba(116, 242, 206, 0.3);
  font-weight: 600;
}

.metric-card,
.panel-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 18px;
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.35);
  backdrop-filter: blur(16px);
}

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

.value {
  margin-top: 8px;
  font-size: 22px;
  font-weight: 700;
  color: var(--accent);
}

.panel-title {
  font-weight: 600;
  margin-bottom: 12px;
}

.summary-line {
  font-size: 18px;
  font-weight: 600;
  color: var(--accent);
}

.live-grid {
  display: grid;
  gap: 12px;
}

.muted {
  color: var(--muted);
  font-size: 14px;
}

.table-wrap {
  max-height: 320px;
  overflow-y: auto;
  overflow-x: hidden;
  border-radius: 12px;
}

.signals-table,
.snapshots-table {
  table-layout: fixed;
  width: 100%;
}

.signals-table th,
.signals-table td,
.snapshots-table th,
.snapshots-table td {
  white-space: normal;
  word-break: break-word;
  font-size: 12px;
  padding: 8px 8px;
}

.snapshots-table th,
.snapshots-table td {
  font-size: 11px;
}

.toolbar {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}

select,
.form-select {
  background: linear-gradient(135deg, rgba(25, 40, 60, 0.9), rgba(15, 22, 33, 0.95)) !important;
  color: #ffffff !important;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 6px 10px;
  color-scheme: dark;
}

select option,
.form-select option {
  background-color: #0f141c !important;
  color: #ffffff !important;
}

.form-select:focus {
  border-color: rgba(90, 162, 255, 0.6);
  box-shadow: 0 0 0 0.2rem rgba(90, 162, 255, 0.15);
}

.table {
  color: var(--text);
  --bs-table-bg: transparent;
  --bs-table-striped-bg: transparent;
  --bs-table-hover-bg: rgba(90, 162, 255, 0.08);
  background-color: transparent;
}

.table thead th {
  color: var(--muted);
  background: var(--panel-strong);
}

.table tbody tr:hover {
  background: rgba(90, 162, 255, 0.08);
}

.chart-canvas {
  display: block;
  width: 100%;
  height: 220px;
}


.footer {
  margin: 32px 0 8px;
  padding: 18px 22px;
  border-radius: 16px;
  background: var(--panel);
  border: 1px solid var(--border);
  text-align: center;
  font-size: 13px;
  letter-spacing: 0.02em;
}

@media (max-width: 720px) {
  .topbar {
    padding: 12px 16px;
  }

  .app-shell {
    grid-template-columns: 1fr;
    padding: 12px;
  }

  .sidebar {
    position: static;
    flex-direction: row;
    flex-wrap: wrap;
  }

  .page {
    padding: 20px;
  }

  .hero {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }
}