:root {
  --bg: #0f1419;
  --surface: #1a2332;
  --surface2: #243044;
  --border: #2d3a4f;
  --text: #e8eef7;
  --muted: #8b9bb4;
  --accent: #3d9cf0;
  --accent-dim: #2a6fad;
  --green: #3ecf8e;
  --red: #f07178;
  --yellow: #e6c07b;
  --radius: 10px;
  --font: "Segoe UI", system-ui, sans-serif;
}

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

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.5;
}

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

.topnav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.75rem 1.5rem;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}

.topnav .brand {
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--text);
  letter-spacing: 0.02em;
}

.topnav nav {
  display: flex;
  gap: 0.25rem;
  flex-wrap: wrap;
}

.topnav nav a {
  color: var(--muted);
  padding: 0.4rem 0.75rem;
  border-radius: 6px;
  text-decoration: none;
  font-size: 0.95rem;
}

.topnav nav a:hover,
.topnav nav a.active {
  background: var(--surface2);
  color: var(--text);
  text-decoration: none;
}

.topnav .user {
  color: var(--muted);
  font-size: 0.85rem;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 1.5rem;
}

h1 { font-size: 1.6rem; margin-bottom: 0.5rem; }
h2 { font-size: 1.2rem; margin: 1.5rem 0 0.75rem; color: var(--text); }
h3 { font-size: 1rem; margin: 1rem 0 0.5rem; color: var(--muted); }

.muted { color: var(--muted); font-size: 0.9rem; }
.lead { color: var(--muted); margin-bottom: 1.25rem; }

.banner {
  padding: 0.65rem 1rem;
  border-radius: var(--radius);
  margin-bottom: 1rem;
  font-size: 0.95rem;
}
.banner.public {
  background: rgba(88, 166, 255, 0.12);
  border: 1px solid var(--accent, #58a6ff);
  color: var(--text);
}
.banner.public a { color: var(--accent, #58a6ff); }
.banner.personal {
  background: rgba(62, 207, 142, 0.12);
  border: 1px solid var(--green);
  color: var(--muted);
}

.flash-wrap { margin-bottom: 1rem; }
.flash {
  padding: 0.75rem 1rem;
  border-radius: var(--radius);
  margin-bottom: 0.5rem;
  font-size: 0.95rem;
}
.flash.success { background: rgba(62, 207, 142, 0.15); border: 1px solid var(--green); color: var(--green); }
.flash.error { background: rgba(240, 113, 120, 0.15); border: 1px solid var(--red); color: var(--red); }

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  margin-bottom: 1.25rem;
}

.auth-card {
  max-width: 400px;
  margin: 3rem auto;
}

label {
  display: block;
  font-size: 0.85rem;
  color: var(--muted);
  margin-bottom: 0.35rem;
}

input[type="text"],
input[type="email"],
input[type="password"],
input[type="number"] {
  width: 100%;
  padding: 0.55rem 0.75rem;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  font-size: 0.95rem;
  margin-bottom: 0.85rem;
}

input:focus {
  outline: 2px solid var(--accent-dim);
  border-color: var(--accent);
}

.checkbox-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.checkbox-row input { width: auto; margin: 0; }

.btn {
  display: inline-block;
  padding: 0.55rem 1.1rem;
  border-radius: 6px;
  border: none;
  cursor: pointer;
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none;
}
.btn:hover { text-decoration: none; opacity: 0.92; }
.btn-primary { background: var(--accent); color: #fff; }
.btn-success { background: var(--green); color: #0f1419; }
.btn-ghost {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
}
.btn-row { display: flex; gap: 0.75rem; flex-wrap: wrap; margin-top: 0.5rem; }

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
@media (max-width: 700px) {
  .grid-2 { grid-template-columns: 1fr; }
}

.holdings-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 0.75rem;
}

.holding-field label span {
  display: block;
  font-size: 0.75rem;
  color: var(--muted);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}
th, td {
  padding: 0.55rem 0.65rem;
  text-align: left;
  border-bottom: 1px solid var(--border);
}
th { color: var(--muted); font-weight: 600; font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.03em; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }

.badge {
  display: inline-block;
  padding: 0.15rem 0.45rem;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
}
.badge-buy { background: rgba(62, 207, 142, 0.2); color: var(--green); }
.badge-sell { background: rgba(240, 113, 120, 0.2); color: var(--red); }
.badge-hold { background: rgba(139, 155, 180, 0.2); color: var(--muted); }

.pos { color: var(--green); }
.neg { color: var(--red); }

.metrics {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}
.metric {
  background: var(--surface2);
  border-radius: 8px;
  padding: 0.85rem 1rem;
}
.metric .label { font-size: 0.75rem; color: var(--muted); text-transform: uppercase; }
.metric .value { font-size: 1.25rem; font-weight: 700; margin-top: 0.2rem; }

.warnings {
  background: rgba(230, 192, 123, 0.1);
  border: 1px solid var(--yellow);
  border-radius: var(--radius);
  padding: 0.75rem 1rem;
  margin-bottom: 1rem;
  color: var(--yellow);
  font-size: 0.85rem;
}
.warnings li { margin-left: 1.1rem; }

details.advanced {
  margin: 1rem 0;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.75rem 1rem;
}
details.advanced summary {
  cursor: pointer;
  color: var(--muted);
  font-weight: 600;
}

.run-detail { margin-bottom: 1.5rem; }
.chart-wrap { position: relative; height: 280px; margin: 1rem 0; }
.chart-wrap-bars { height: 300px; }

details.run-detail > summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}
details.run-detail > summary::-webkit-details-marker { display: none; }
details.run-detail > summary::before {
  content: "▸";
  color: var(--muted);
  margin-right: 0.35rem;
}
details.run-detail[open] > summary::before { content: "▾"; }
.run-summary .run-title {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
}
.run-summary .run-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  font-size: 0.9rem;
  color: var(--muted);
}
.run-body { margin-top: 1rem; padding-top: 0.75rem; border-top: 1px solid var(--border); }
.badge-deploy { background: rgba(61, 156, 240, 0.2); color: var(--accent); }
.badge-exit { background: rgba(240, 113, 120, 0.2); color: var(--red); }
.badge-mixed { background: rgba(230, 192, 123, 0.2); color: var(--yellow); }
.badge-empty { background: rgba(139, 155, 180, 0.2); color: var(--muted); }