:root {
  --bg: #faf8f4;
  --surface: #ffffff;
  --ink: #1c1c1c;
  --muted: #6b6b6b;
  --line: #e5e1d8;
  --accent: #2a4d3a;
  --accent-soft: #eaf1ed;
  --pos: #1f6f3a;
  --neg: #b73a3a;
  --warn: #b76b1f;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: ui-sans-serif, -apple-system, "Segoe UI", Roboto, sans-serif;
  font-size: 14px;
  line-height: 1.45;
}

.topbar {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding: 0.75rem 1.25rem;
  background: var(--surface);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 10;
}

.brand a {
  font-weight: 600;
  color: var(--accent);
  text-decoration: none;
  letter-spacing: 0.02em;
}

.topbar nav {
  display: flex;
  gap: 1rem;
  flex: 1;
}

.topbar nav a {
  color: var(--ink);
  text-decoration: none;
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
}

.topbar nav a:hover {
  background: var(--accent-soft);
}

.refresh-form button {
  background: var(--accent);
  color: white;
  border: 0;
  padding: 0.4rem 0.9rem;
  border-radius: 4px;
  cursor: pointer;
  font-size: 13px;
}

.refresh-form button:hover { background: #1f3a2c; }

main {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1.25rem;
}

section { margin-bottom: 2rem; }

h2 {
  font-size: 1.05rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
  margin: 0 0 0.6rem;
  font-weight: 600;
  display: flex;
  align-items: baseline;
  gap: 0.6rem;
}

.muted-tag {
  font-size: 0.85rem;
  font-weight: 400;
  color: var(--ink);
  text-transform: none;
  letter-spacing: 0;
  font-variant-numeric: tabular-nums;
}

.totals {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 0.9rem 1rem;
}

.card .label {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
  margin-bottom: 0.25rem;
}

.card .value {
  font-size: 1.3rem;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}

.card.big .value {
  font-size: 1.7rem;
  color: var(--accent);
}

.card .sublabel {
  font-size: 11px;
  color: var(--muted);
  margin-top: 0.25rem;
  font-variant-numeric: tabular-nums;
}

table.data {
  width: 100%;
  border-collapse: collapse;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 6px;
  overflow: hidden;
}

table.data th, table.data td {
  padding: 0.5rem 0.75rem;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

table.data thead th {
  background: #f3efe7;
  font-weight: 600;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--muted);
}

table.data tbody tr:last-child td { border-bottom: 0; }
table.data tbody tr:hover { background: #fbf9f3; }

table.data tfoot td {
  background: #f3efe7;
  border-top: 1px solid var(--line);
  border-bottom: 0;
}

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

.ticker {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-weight: 600;
}

.pos { color: var(--pos); }
.neg { color: var(--neg); }
.dim { color: var(--muted); }
.small { font-size: 11px; }

.breakeven-row td {
  background: var(--accent-soft);
  border-top: 2px solid var(--accent);
}

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

.interp li {
  padding: 0.5rem 0.75rem;
  border-left: 3px solid var(--accent);
  background: var(--surface);
  margin-bottom: 0.4rem;
  border-radius: 0 4px 4px 0;
}

.notes {
  color: var(--muted);
  font-size: 13px;
  max-width: 360px;
}

.filter {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 0.75rem;
}

.chip {
  display: inline-block;
  padding: 0.25rem 0.7rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface);
  color: var(--ink);
  text-decoration: none;
  font-size: 12px;
}

.chip:hover { border-color: var(--accent); }
.chip.active {
  background: var(--accent);
  color: white;
  border-color: var(--accent);
}

.decision {
  text-transform: uppercase;
  font-size: 11px;
  letter-spacing: 0.06em;
  font-weight: 600;
}

.decision-buy { color: var(--pos); }
.decision-sell { color: var(--neg); }
.decision-hold { color: var(--muted); }
.decision-cancel_order { color: var(--warn); }
.decision-modify_order { color: var(--warn); }

.footer-note {
  color: var(--muted);
  font-size: 12px;
  margin-top: 1rem;
}

.mortgage-grid {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 1.5rem;
  align-items: start;
}

@media (max-width: 800px) {
  .mortgage-grid { grid-template-columns: 1fr; }
}

.form-card { display: flex; flex-direction: column; gap: 0.7rem; }

.form-card label {
  display: flex;
  flex-direction: column;
  font-size: 12px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  gap: 0.25rem;
}

.form-card label.checkbox {
  flex-direction: row;
  align-items: center;
  gap: 0.5rem;
  text-transform: none;
  letter-spacing: 0;
  font-size: 13px;
  color: var(--ink);
}

.form-card input[type="number"],
.form-card select {
  padding: 0.4rem 0.6rem;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--paper, #fff);
  font-family: inherit;
  font-size: 14px;
  font-variant-numeric: tabular-nums;
  color: var(--ink);
}

.form-card input:focus, .form-card select:focus {
  outline: none;
  border-color: var(--accent);
}

.mortgage-results .card { margin-bottom: 0.75rem; }

.mortgage-results .row {
  display: flex;
  justify-content: space-between;
  padding: 0.3rem 0;
  font-size: 13px;
}

.mortgage-results .row.total {
  border-top: 1px solid var(--line);
  padding-top: 0.5rem;
  margin-top: 0.3rem;
  font-weight: 600;
}

.mortgage-results .row.neg .num { color: var(--neg); }
.mortgage-results .row.pos .num { color: var(--pos); }

.mortgage-results hr {
  border: 0;
  border-top: 1px solid var(--line);
  margin: 0.5rem 0;
}