:root {
  --bg: #0d1117;
  --surface: #161b22;
  --border: #30363d;
  --text: #c9d1d9;
  --muted: #8b949e;
  --up: #3fb950;
  --down: #f85149;
  --accent: #58a6ff;
  --font: 'Segoe UI', system-ui, -apple-system, sans-serif;
  --mono: 'SF Mono', ui-monospace, monospace;
}

* { box-sizing: border-box; }
html, body {
  margin: 0; padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 14px;
  height: 100%;
  -webkit-text-size-adjust: 100%;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* Top bar */
.top-bar {
  display: flex; align-items: center; justify-content: space-between;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 8px 12px;
  position: sticky; top: 0; z-index: 100;
  min-height: 44px;
}
.top-left, .top-center, .top-right {
  display: flex; align-items: center; gap: 10px;
}
.app-name { font-weight: 700; font-size: 15px; color: var(--text); white-space: nowrap; }
.clock { font-family: var(--mono); color: var(--muted); font-size: 12px; }
.status { font-size: 12px; color: var(--muted); }
.last-refresh { font-size: 11px; color: var(--muted); }
.disclaimer { font-size: 10px; color: var(--muted); font-style: italic; display: none; }

/* Mobile menu toggle */
.menu-toggle {
  display: none;
  background: none; border: 1px solid var(--border); color: var(--text);
  border-radius: 6px; padding: 6px 10px; font-size: 18px; cursor: pointer;
}

/* Ticker tape */
.ticker-tape {
  background: #010409;
  border-bottom: 1px solid var(--border);
  overflow: hidden;
  white-space: nowrap;
  padding: 5px 0;
}
.ticker-content {
  display: inline-flex;
  gap: 18px;
  padding: 0 12px;
  animation: ticker-scroll 60s linear infinite;
}
@keyframes ticker-scroll {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}
.ticker-item {
  display: inline-flex; align-items: center; gap: 5px;
  font-family: var(--mono); font-size: 11px;
}
.ticker-symbol { color: var(--text); font-weight: 600; }
.ticker-price { color: var(--muted); }
.ticker-change { font-weight: 600; }
.up { color: var(--up); }
.down { color: var(--down); }
.neutral { color: var(--muted); }

/* Layout */
.layout { display: flex; min-height: calc(100vh - 90px); }
.sidebar {
  width: 180px; background: var(--surface);
  border-right: 1px solid var(--border);
  flex-shrink: 0;
  transition: transform .25s ease;
}
.sidebar nav { display: flex; flex-direction: column; padding: 8px; }
.sidebar nav a {
  padding: 8px 12px; border-radius: 6px; color: var(--text);
  font-size: 13px;
}
.sidebar nav a:hover, .sidebar nav a.active {
  background: rgba(88,166,255,0.15); color: var(--accent);
}
.main { flex: 1; padding: 14px; overflow-x: hidden; min-width: 0; }

/* Page header */
.page-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 14px; flex-wrap: wrap; gap: 8px;
}
.page-header h1 { margin: 0; font-size: 18px; }

/* Controls */
.controls { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; margin-bottom: 14px; }
.controls select, .controls input {
  background: var(--surface); color: var(--text);
  border: 1px solid var(--border); border-radius: 6px;
  padding: 6px 10px; font-size: 13px;
}
.btn {
  background: var(--accent); color: #fff; border: none;
  border-radius: 6px; padding: 6px 12px; font-size: 13px; cursor: pointer;
  touch-action: manipulation;
}
.btn:hover { filter: brightness(1.1); }

/* Dashboard cards */
.card-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 10px; }
.card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 8px; padding: 10px;
  min-width: 0;
}
.card .symbol { font-family: var(--mono); font-weight: 700; font-size: 12px; }
.card .name { font-size: 11px; color: var(--muted); margin-bottom: 4px; }
.card .price { font-size: 15px; font-weight: 600; }
.card .currency { font-size: 11px; color: var(--muted); }
.card .change { font-size: 12px; font-family: var(--mono); margin-top: 4px; }
.card.error { border-color: var(--down); }
.card .msg { font-size: 11px; color: var(--down); }

.section { margin-bottom: 18px; }
.section h2 { font-size: 13px; text-transform: uppercase; color: var(--muted); margin: 0 0 8px; }
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }

.movers { background: var(--surface); border: 1px solid var(--border); border-radius: 8px; padding: 8px; }
.mover-row { display: flex; justify-content: space-between; padding: 4px 0; border-bottom: 1px solid var(--border); font-family: var(--mono); font-size: 12px; }
.mover-row:last-child { border-bottom: none; }
.empty { color: var(--muted); font-size: 12px; padding: 8px; }

/* Tables */
.table-wrapper { overflow-x: auto; border: 1px solid var(--border); border-radius: 8px; -webkit-overflow-scrolling: touch; }
.data-table { width: 100%; border-collapse: collapse; font-size: 12px; }
.data-table th, .data-table td { padding: 7px 9px; text-align: left; border-bottom: 1px solid var(--border); white-space: nowrap; }
.data-table th { background: var(--surface); color: var(--muted); cursor: pointer; user-select: none; }
.data-table th:hover { color: var(--text); }
.data-table tr:hover { background: rgba(255,255,255,0.03); }

/* Filters */
.filters { display: flex; flex-wrap: wrap; gap: 8px 14px; margin-bottom: 14px; }
.filters label { display: inline-flex; align-items: center; gap: 6px; font-size: 12px; cursor: pointer; }
.filters input[type="checkbox"] { accent-color: var(--accent); }

/* Chart */
.chart-container {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 8px; padding: 8px; margin-bottom: 14px;
  position: relative;
  overflow: hidden;
}
.chart-container svg { width: 100%; height: 420px; display: block; }

/* Stats grid */
.stats-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(130px, 1fr)); gap: 10px; margin-bottom: 14px; }
.stat-card { background: var(--surface); border: 1px solid var(--border); border-radius: 8px; padding: 10px; }
.stat-card .label { font-size: 10px; color: var(--muted); text-transform: uppercase; }
.stat-card .value { font-size: 15px; font-weight: 600; margin-top: 4px; font-family: var(--mono); }

/* Analysis */
.analysis-output { display: grid; gap: 10px; }
.analysis-card { background: var(--surface); border: 1px solid var(--border); border-radius: 8px; padding: 12px; }
.analysis-card h3 { margin: 0 0 6px; font-size: 12px; color: var(--accent); text-transform: uppercase; }
.analysis-card p { margin: 4px 0; font-size: 13px; }
.analysis-card.risk { border-color: var(--down); }

/* News */
.news-list { display: grid; gap: 8px; }
.news-item { background: var(--surface); border: 1px solid var(--border); border-radius: 8px; padding: 10px; }
.news-item a { font-size: 14px; font-weight: 600; word-break: break-word; }
.news-item .meta { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 6px; font-size: 11px; color: var(--muted); }

/* Health */
.health-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 10px; margin-bottom: 14px; }
.health-card { background: var(--surface); border: 1px solid var(--border); border-radius: 8px; padding: 10px; }
.health-card .label { font-size: 11px; color: var(--muted); text-transform: uppercase; }
.health-card .value { font-size: 13px; font-weight: 600; margin-top: 4px; font-family: var(--mono); word-break: break-word; }
.health-card .ok { color: var(--up); }
.health-card .warn { color: #d29922; }

.logs { background: var(--surface); border: 1px solid var(--border); border-radius: 8px; padding: 12px; }
.logs pre { margin: 0; font-size: 11px; font-family: var(--mono); white-space: pre-wrap; color: var(--muted); max-height: 300px; overflow-y: auto; }

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

/* Mobile */
@media (max-width: 768px) {
  .menu-toggle { display: inline-block; }
  .disclaimer { display: none; }
  .top-bar { padding: 6px 10px; }
  .app-name { font-size: 14px; }
  .sidebar {
    position: fixed; left: 0; top: 0; bottom: 0; z-index: 200;
    width: 220px; transform: translateX(-100%);
    border-right: 1px solid var(--border);
  }
  .sidebar.open { transform: translateX(0); }
  .sidebar-overlay {
    display: none; position: fixed; inset: 0; background: rgba(0,0,0,0.5); z-index: 199;
  }
  .sidebar-overlay.open { display: block; }
  .main { padding: 10px; }
  .two-col { grid-template-columns: 1fr; }
  .card-grid { grid-template-columns: repeat(auto-fill, minmax(130px, 1fr)); }
  .chart-container svg { height: 300px; }
  .stats-grid { grid-template-columns: repeat(auto-fill, minmax(110px, 1fr)); }
  .health-grid { grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); }
  .controls select, .controls input { font-size: 13px; padding: 8px; }
}

/* Desktop enhancements */
@media (min-width: 1400px) {
  .card-grid { grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); }
  .main { padding: 20px; }
}