:root {
  --bg: #0f1115;
  --card: #151922;
  --elev: #1b2030;
  --text: #e8eefc;
  --muted: #a9b3c9;
  --accent: #6aa6ff;
  --accent-2: #9b7bff;
  --danger: #ff6a6a;
  --success: #4dd4a9;
  --warning: #ffb454;
  --border: #2a3144;
  --grid-gap: 16px;
  --radius: 12px;
  --shadow: 0 6px 18px rgba(0,0,0,0.35), inset 0 1px 0 rgba(255,255,255,0.03);
  --font: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, Noto Sans, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
}

[data-theme="light"] {
  --bg: #f5f7fb;
  --card: #ffffff;
  --elev: #f1f4fa;
  --text: #0f172a;
  --muted: #475569;
  --accent: #2b6bff;
  --accent-2: #6c3bff;
  --danger: #d93838;
  --success: #0d9e74;
  --warning: #d68b00;
  --border: #e2e8f0;
  --shadow: 0 6px 18px rgba(16,24,40,0.08), inset 0 1px 0 rgba(255,255,255,0.6);
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: var(--font);
  background: radial-gradient(1200px 600px at 10% -10%, rgba(106,166,255,0.12), transparent 60%),
              radial-gradient(1000px 500px at 110% 10%, rgba(155,123,255,0.10), transparent 60%),
              var(--bg);
  color: var(--text);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

.app-header {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 20px;
  background: linear-gradient(180deg, rgba(0,0,0,0.35), rgba(0,0,0,0.0) 90%), var(--card);
  border-bottom: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
}
.brand-mark {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  display: grid;
  place-items: center;
  font-weight: 800;
  color: white;
  letter-spacing: 1px;
  box-shadow: 0 8px 24px rgba(106,166,255,0.35);
}
.brand-text h1 {
  margin: 0;
  font-size: 18px;
  font-weight: 700;
}
.subtitle {
  margin: 2px 0 0 0;
  color: var(--muted);
  font-size: 12.5px;
}

.controls {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}
.control-group {
  display: grid;
  gap: 6px;
  font-size: 12px;
  color: var(--muted);
}
.control-group select, .control-group .btn {
  min-width: 110px;
}

.timestamp { color: var(--muted); font-size: 12.5px; }

.app-main {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: var(--grid-gap);
  padding: 18px;
}

.sidebar {
  display: grid;
  gap: var(--grid-gap);
}

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

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 14px;
}
.card h2 {
  margin: 0 0 10px 0;
  font-size: 16px;
}
.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 8px;
}
.card-span2 { grid-column: span 2; }

.legend {
  display: flex;
  gap: 10px;
  align-items: center;
  margin-top: 10px;
  color: var(--muted);
  font-size: 12.5px;
}
.dot {
  display: inline-block;
  width: 10px; height: 10px;
  border-radius: 50%;
  margin-right: 6px;
  border: 1px solid var(--border);
}
.dot.actual { background: var(--accent); }
.dot.forecast { background: var(--warning); }
.dot.sma { background: #7cd67c; }
.dot.ema { background: #ff88c8; }

.btn {
  appearance: none; border: 1px solid var(--border);
  background: linear-gradient(180deg, var(--elev), var(--card));
  color: var(--text);
  padding: 8px 12px;
  border-radius: 10px;
  font-weight: 600;
  cursor: pointer;
  transition: 0.15s ease;
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.06);
}
.btn:hover { transform: translateY(-1px); border-color: rgba(255,255,255,0.22); }
.btn:active { transform: translateY(0); }
.btn-secondary {
  background: linear-gradient(180deg, rgba(106,166,255,0.12), rgba(106,166,255,0.06));
  border-color: rgba(106,166,255,0.25);
}
.btn-accent {
  background: linear-gradient(180deg, var(--accent), var(--accent-2));
  border-color: transparent;
  color: #fff;
  box-shadow: 0 8px 18px rgba(106,166,255,0.35);
}
.btn-accent:hover { filter: brightness(1.05); }

.tickers {
  display: grid;
  grid-template-columns: repeat(2, minmax(0,1fr));
  gap: 10px 12px;
}
.tickers label { display: flex; align-items: center; gap: 8px; }

.metrics {
  display: grid;
  grid-template-columns: repeat(2, minmax(0,1fr));
  gap: 10px;
}
.metrics .metric {
  background: var(--elev);
  border: 1px solid var(--border);
  padding: 10px;
  border-radius: 10px;
}
.metric .label { color: var(--muted); font-size: 12px; }
.metric .value { font-size: 18px; font-weight: 700; }

.weights {
  display: grid;
  gap: 10px;
}
.weight-row {
  display: grid;
  grid-template-columns: 60px 1fr 70px;
  gap: 10px;
  align-items: center;
}
.weight-row .ticker {
  font-weight: 700;
}
.weight-row input[type="range"] {
  width: 100%;
  accent-color: var(--accent);
}
.weight-row .pct {
  text-align: right;
  color: var(--muted);
}

.portfolio-stats, .sim-results {
  display: grid;
  gap: 10px;
  margin-top: 10px;
}
.sim-results {
  grid-template-columns: repeat(2, minmax(0,1fr));
}
.sim-card {
  background: var(--elev);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px;
}
.sim-card h3 { margin: 0 0 6px 0; font-size: 14px; }
.sim-card ul { margin: 0; padding-left: 18px; }

.news-list {
  display: grid;
  gap: 10px;
}
.news-item {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 12px;
  padding: 10px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--elev);
}
.news-item .badge {
  width: 80px; height: 80px;
  border-radius: 8px;
  background: linear-gradient(135deg, rgba(106,166,255,0.25), rgba(155,123,255,0.25));
  display: grid; place-items: center;
  color: #fff; font-weight: 800; font-size: 22px;
  border: 1px solid var(--border);
}
.news-item .meta {
  display: flex; gap: 8px; color: var(--muted); font-size: 12px;
}
.news-item a.title {
  font-weight: 700; color: var(--text); font-size: 15px;
}
.news-item a.title:hover { color: var(--accent); text-decoration: underline; }

.writeups {
  display: grid;
  gap: 14px;
}
.writeup {
  background: var(--elev);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px;
}
.writeup h3 { margin: 0 0 8px 0; }
.writeup .risk { color: var(--warning); }
.writeup .notes { color: var(--muted); font-size: 13px; }

.subchart { margin-top: 8px; }

.exports { display: flex; gap: 10px; }

.disclaimer {
  font-size: 12px;
  color: var(--muted);
  background: linear-gradient(180deg, rgba(255,180,84,0.08), transparent 80%);
  border: 1px dashed var(--border);
  border-radius: 8px;
  padding: 8px;
}

.app-footer {
  margin-top: 20px;
  padding: 18px 20px 30px;
  color: var(--muted);
  display: flex;
  justify-content: space-between;
  gap: 10px;
  border-top: 1px solid var(--border);
  background: linear-gradient(0deg, rgba(0,0,0,0.35), rgba(0,0,0,0.0) 90%), var(--card);
}

.footer-links { display: flex; gap: 14px; }

.header-actions {
  display: flex; gap: 10px; align-items: center; flex-wrap: wrap;
}

canvas { width: 100%; }

@media (max-width: 1100px) {
  .app-main { grid-template-columns: 1fr; }
  .sidebar { order: 2; }
  .content { order: 1; }
  .content .grid { grid-template-columns: 1fr; }
  .card-span2 { grid-column: span 1; }
}