:root {
  --bg: #0f1117;
  --panel: #171a22;
  --panel2: #1e222c;
  --border: #2a2f3a;
  --text: #e8eaf0;
  --muted: #8a8f9c;
  --accent: #4f8cff;
  --green: #22c55e;
  --red: #ef4444;
  --radius: 10px;
}

* { box-sizing: border-box; }

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

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 20px;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
  gap: 10px;
}

.topbar h1 { font-size: 18px; margin: 0; }

.tabs { display: flex; gap: 6px; }

.tab-btn {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--muted);
  padding: 8px 14px;
  border-radius: var(--radius);
  cursor: pointer;
  font-size: 14px;
}

.tab-btn.active { background: var(--accent); color: white; border-color: var(--accent); }

main { max-width: 1000px; margin: 0 auto; padding: 20px; }

.tab-panel { display: none; }
.tab-panel.active { display: block; }

input, button {
  font-family: inherit;
  font-size: 14px;
}

input[type=text], input[type=number], input[type=date] {
  background: var(--panel2);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 9px 12px;
  border-radius: var(--radius);
}

button {
  background: var(--panel2);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 9px 14px;
  border-radius: var(--radius);
  cursor: pointer;
}
button:hover { border-color: var(--accent); }

.btn-primary { background: var(--accent); border-color: var(--accent); color: white; }
.btn-secondary { background: var(--panel2); }

.search-row { position: relative; display: flex; gap: 8px; margin-bottom: 16px; }
.search-row input { flex: 1; }

.search-results {
  position: absolute;
  top: 46px; left: 0; right: 0;
  background: var(--panel2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  max-height: 260px;
  overflow-y: auto;
  z-index: 10;
  display: none;
}
.search-results.show { display: block; }
.search-item { padding: 10px 14px; cursor: pointer; border-bottom: 1px solid var(--border); }
.search-item:hover { background: var(--panel); }
.search-item small { color: var(--muted); margin-left: 6px; }

.stock-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 20px;
  margin-bottom: 14px;
  flex-wrap: wrap;
  gap: 12px;
}
.stock-header h2 { margin: 0 0 4px; font-size: 20px; }
.muted { color: var(--muted); font-size: 13px; }
.price-block { text-align: right; }
.price { font-size: 24px; font-weight: 600; display: block; }
.change { font-size: 14px; }
.change.up { color: var(--green); }
.change.down { color: var(--red); }

.range-row { display: flex; gap: 6px; margin-bottom: 12px; }
.range-row button { padding: 6px 12px; font-size: 13px; }
.range-row button.active { background: var(--accent); border-color: var(--accent); color: white; }

.chart-wrap {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  margin-bottom: 16px;
}
.chart-wrap canvas { margin-bottom: 10px; }

.fundamentals-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 10px;
}
.fund-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 14px;
}
.fund-card .label { font-size: 12px; color: var(--muted); }
.fund-card .value { font-size: 16px; font-weight: 600; margin-top: 4px; }

.screener-toolbar, .watchlist-toolbar {
  display: flex;
  gap: 8px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}
.screener-toolbar input, .watchlist-toolbar input { flex: 1; min-width: 180px; }

.screener-filters {
  display: flex;
  gap: 16px;
  margin-bottom: 14px;
  flex-wrap: wrap;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 16px;
}
.screener-filters label { display: flex; flex-direction: column; gap: 4px; font-size: 12px; color: var(--muted); }
.screener-filters input { width: 100px; }

table {
  width: 100%;
  border-collapse: collapse;
  background: var(--panel);
  border-radius: var(--radius);
  overflow: hidden;
}
th, td { padding: 10px 12px; text-align: left; border-bottom: 1px solid var(--border); font-size: 13px; }
th { background: var(--panel2); color: var(--muted); font-weight: 500; }
tr:last-child td { border-bottom: none; }
.row-up { color: var(--green); }
.row-down { color: var(--red); }
.link-btn { background: none; border: none; color: var(--accent); cursor: pointer; padding: 0; }
.del-btn { color: var(--red); background: none; border: none; cursor: pointer; }

.portfolio-form {
  display: flex;
  gap: 8px;
  margin-bottom: 14px;
  flex-wrap: wrap;
}
.portfolio-form input { flex: 1; min-width: 120px; }

.portfolio-summary {
  display: flex;
  gap: 14px;
  margin-bottom: 14px;
  flex-wrap: wrap;
}
.summary-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 18px;
  min-width: 140px;
}
.summary-card .label { font-size: 12px; color: var(--muted); }
.summary-card .value { font-size: 18px; font-weight: 600; margin-top: 4px; }

.toast {
  position: fixed;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: var(--panel2);
  border: 1px solid var(--border);
  padding: 10px 18px;
  border-radius: var(--radius);
  opacity: 0;
  transition: all .25s ease;
  pointer-events: none;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

@media (max-width: 600px) {
  main { padding: 12px; }
  .topbar { padding: 10px 14px; }
  .tabs { width: 100%; justify-content: space-between; }
  .tab-btn { flex: 1; padding: 8px 4px; font-size: 12px; }
}