:root {
  --bg: #0e1117;
  --panel: #161b22;
  --border: #2a313c;
  --text: #e6edf3;
  --muted: #8b949e;
  --accent: #2f81f7;
  --up: #26a69a;
  --down: #ef5350;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
}

.topbar {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.7rem 1.2rem;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
}
.topbar h1 { font-size: 1.1rem; margin: 0; font-weight: 600; }
.topbar .home { color: var(--muted); text-decoration: none; font-size: 0.9rem; }
.topbar .home:hover { color: var(--accent); }

.layout { display: flex; min-height: calc(100vh - 53px); }

.sidebar {
  width: 230px;
  flex-shrink: 0;
  padding: 1rem;
  background: var(--panel);
  border-right: 1px solid var(--border);
}
.sidebar h2 { font-size: 0.8rem; text-transform: uppercase; color: var(--muted); letter-spacing: 0.05em; }

.watchlist { list-style: none; margin: 0 0 1.2rem; padding: 0; }
.watchlist li { margin-bottom: 0.4rem; }

.ticker {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 2px;
  padding: 0.5rem 0.7rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
}
.ticker:hover { border-color: var(--accent); }
.ticker.active { border-color: var(--accent); background: #11233f; }
.ticker .sym { font-weight: 600; }
.ticker .name { font-size: 0.75rem; color: var(--muted); }

.controls { display: flex; flex-direction: column; gap: 0.6rem; }
.controls label { font-size: 0.75rem; color: var(--muted); display: flex; flex-direction: column; gap: 3px; }
.controls select {
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 5px;
  padding: 0.35rem;
}

.content { flex: 1; padding: 1rem 1.4rem; min-width: 0; }
.status { color: var(--muted); font-size: 0.9rem; margin-bottom: 0.6rem; }
.chart { width: 100%; height: 560px; }

.levels { margin-top: 0.8rem; display: flex; gap: 2rem; flex-wrap: wrap; font-size: 0.85rem; }
.levels .col h3 { margin: 0 0 0.3rem; font-size: 0.8rem; color: var(--muted); }
.levels .res { color: var(--down); }
.levels .sup { color: var(--up); }