:root {
  --bg: #0f1115;
  --panel: #161923;
  --panel-2: #1d212e;
  --border: #2a2f3d;
  --text: #e8eaf0;
  --text-dim: #9aa1b2;
  --accent: #5b8cff;
  --green: #3ec97b;
  --red: #ef5b5b;
  --amber: #e8a63d;
}

* { box-sizing: border-box; }

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

.app {
  display: flex;
  min-height: 100vh;
}

.sidebar {
  width: 300px;
  flex-shrink: 0;
  background: var(--panel);
  border-right: 1px solid var(--border);
  padding: 24px 16px;
}

.sidebar h1 {
  font-size: 20px;
  margin: 0 0 4px 8px;
}

.subtitle {
  color: var(--text-dim);
  font-size: 13px;
  margin: 0 0 20px 8px;
}

.category-select {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.category-card {
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px;
  text-align: left;
  cursor: pointer;
  color: var(--text);
  display: flex;
  flex-direction: column;
  gap: 4px;
  transition: border-color 0.15s, background 0.15s;
}

.category-card:hover {
  border-color: var(--accent);
  background: rgba(91, 140, 255, 0.08);
}

.category-title {
  font-size: 14px;
  font-weight: 600;
}

.category-desc {
  font-size: 12px;
  color: var(--text-dim);
}

.back-link {
  background: none;
  border: none;
  color: var(--accent);
  font-size: 13px;
  cursor: pointer;
  padding: 4px 8px 16px;
}

.caveat-note {
  color: var(--amber);
  font-size: 12px;
  margin: 0 0 12px;
}

.section-label {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-dim);
  margin: 20px 0 8px 8px;
}

.investor-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.investor-list li {
  padding: 12px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 14px;
  margin-bottom: 4px;
  transition: background 0.15s;
}

.investor-list li:hover {
  background: var(--panel-2);
}

.investor-list li.active {
  background: var(--accent);
  color: white;
}

.investor-list li.no-data {
  color: var(--text-dim);
  font-style: italic;
}

.content {
  flex: 1;
  padding: 32px 40px;
}

.empty-state {
  color: var(--text-dim);
  text-align: center;
  margin-top: 15%;
}

.view-header {
  display: flex;
  align-items: baseline;
  gap: 16px;
  margin-bottom: 16px;
}

.view-header h2 {
  margin: 0;
}

.period-label {
  color: var(--text-dim);
  font-size: 13px;
}

.tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
  border-bottom: 1px solid var(--border);
}

.tab-btn {
  background: none;
  border: none;
  color: var(--text-dim);
  padding: 10px 4px;
  margin-right: 20px;
  font-size: 14px;
  cursor: pointer;
  border-bottom: 2px solid transparent;
}

.tab-btn.active {
  color: var(--text);
  border-bottom-color: var(--accent);
}

.holdings-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.holdings-table th {
  text-align: left;
  color: var(--text-dim);
  font-weight: 500;
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
}

.holdings-table td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
}

.holdings-table .num {
  text-align: right;
  font-variant-numeric: tabular-nums;
}

.status-badge {
  padding: 2px 8px;
  border-radius: 100px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.03em;
}

.status-NEW { background: rgba(62, 201, 123, 0.15); color: var(--green); }
.status-ADDED { background: rgba(91, 140, 255, 0.15); color: var(--accent); }
.status-TRIMMED { background: rgba(232, 166, 61, 0.15); color: var(--amber); }
.status-SOLD_OUT { background: rgba(239, 91, 91, 0.15); color: var(--red); }
.status-UNCHANGED { background: rgba(154, 161, 178, 0.15); color: var(--text-dim); }

.changes-period {
  color: var(--text-dim);
  font-size: 13px;
  margin: 0 0 12px;
}