*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #fcfcfc;
  --surface: #ffffff;
  --border: #eee;
  --text: #222;
  --muted: #888;
  --accent: #0066cc;
  --green: #2ecc71;
  --red: #e74c3c;
  --yellow: #f39c12;

  --sp500-top5:   #0066cc;
  --sp500-next5:  #9b59b6;
  --megacap-top5: #2ecc71;
  --megacap-next5:#27ae60;
  --sp400-mcap5:  #e67e22;
  --munger:       #e91e63;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, system-ui, sans-serif;
  font-size: 14px;
  line-height: 1.5;
}

/* === Hero Header === */
header {
  background: #222;
  color: #fff;
  padding: 30px 32px 0;
}

.header-top {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 10px;
}

header h1 {
  font-size: 24px;
  font-weight: 800;
  letter-spacing: -0.5px;
  color: #fff;
}

header .subtitle {
  color: rgba(255,255,255,0.7);
  margin-bottom: 20px;
}

.momentum-link {
  background: var(--green);
  color: #fff;
  text-decoration: none;
  padding: 8px 16px;
  border-radius: 4px;
  font-weight: bold;
  font-size: 13px;
  white-space: nowrap;
}

.momentum-link:hover {
  background: #27ae60;
}

nav { display: flex; gap: 4px; }

.tab-btn {
  background: none;
  border: none;
  color: rgba(255,255,255,0.55);
  font-size: 14px;
  padding: 10px 18px;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: color .15s, border-color .15s;
}

.tab-btn:hover { color: #fff; }
.tab-btn.active { color: #fff; border-bottom-color: var(--green); }

main { padding: 32px 32px; max-width: 1200px; }
.tab-panel { display: block; }
.tab-panel.hidden { display: none; }

/* === Strategy Grid === */
#strategy-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
}

.strategy-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 18px 20px;
  cursor: pointer;
  transition: border-color .15s, box-shadow .15s;
}

.strategy-card:hover {
  border-color: var(--accent);
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}

.strategy-card .card-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}

.strategy-card .dot {
  width: 10px; height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}

.strategy-card h3 { font-size: 15px; font-weight: 600; }

.card-metrics { display: flex; gap: 16px; flex-wrap: wrap; }
.metric { display: flex; flex-direction: column; gap: 2px; }
.metric .label {
  font-size: 11px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: .04em;
}
.metric .value { font-size: 20px; font-weight: 700; }
.metric .value.positive { color: var(--green); }
.metric .value.negative { color: var(--red); }
.metric .value.neutral  { color: var(--text); }

.bmark-value { font-size: 11px; font-weight: 600; color: var(--muted); }
.bmark-value.positive { color: var(--green); opacity: 0.8; }
.bmark-value.negative { color: var(--red); opacity: 0.8; }

.card-footer {
  margin-top: 14px;
  display: flex;
  gap: 16px;
  color: var(--muted);
  font-size: 12px;
}

.ticker-tags {
  margin-top: 10px;
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
}

.ticker-tag {
  background: rgba(0,102,204,.08);
  color: var(--accent);
  font-size: 11px;
  font-weight: 600;
  padding: 2px 7px;
  border-radius: 4px;
  letter-spacing: .03em;
}

/* === Positions Tab === */
.filter-bar {
  display: flex;
  gap: 16px;
  align-items: center;
  flex-wrap: wrap;
  margin-bottom: 16px;
}

.filter-bar label { display: flex; gap: 6px; align-items: center; color: var(--muted); }

.filter-bar select,
.filter-bar input {
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 6px 10px;
  border-radius: 6px;
  font-size: 13px;
}

.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }

thead th {
  text-align: left;
  padding: 10px 12px;
  background: var(--surface);
  color: var(--muted);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: .04em;
  cursor: pointer;
  user-select: none;
  white-space: nowrap;
  border-bottom: 2px solid var(--border);
}

thead th:hover { color: var(--text); }

tbody tr {
  border-bottom: 1px solid var(--border);
  transition: background .1s;
}

tbody tr:hover { background: #f8f8f8; }
tbody td { padding: 9px 12px; }

.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
}

.badge-open   { background: rgba(0,102,204,.1); color: var(--accent); }
.badge-closed { background: #f0f0f0; color: var(--muted); }
.ret-pos { color: var(--green); }
.ret-neg { color: var(--red); }

/* === Charts Tab === */
.chart-controls {
  display: flex;
  gap: 8px;
  align-items: center;
  margin-bottom: 24px;
  color: var(--muted);
}

.range-btn {
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--muted);
  padding: 5px 14px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 13px;
  transition: all .15s;
}

.range-btn:hover, .range-btn.active {
  border-color: var(--accent);
  color: var(--accent);
}

.chart-container {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 20px 24px;
  margin-bottom: 24px;
}

.chart-container h2 {
  font-size: 15px;
  margin-bottom: 16px;
  color: var(--muted);
  border-bottom: 2px solid var(--border);
  padding-bottom: 10px;
}

canvas { max-height: 380px; }

/* Strategy color dots */
[data-strategy="sp500_top5"]   .dot, .dot[data-s="sp500_top5"]   { background: var(--sp500-top5); }
[data-strategy="sp500_next5"]  .dot, .dot[data-s="sp500_next5"]  { background: var(--sp500-next5); }
[data-strategy="megacap_top5"] .dot, .dot[data-s="megacap_top5"] { background: var(--megacap-top5); }
[data-strategy="megacap_next5"].dot, .dot[data-s="megacap_next5"]{ background: var(--megacap-next5); }
[data-strategy="sp400_mcap5"]  .dot, .dot[data-s="sp400_mcap5"]  { background: var(--sp400-mcap5); }
[data-strategy="munger"]       .dot, .dot[data-s="munger"]       { background: var(--munger); }