:root {
  color-scheme: dark;
  --bg: #0b1021;
  --panel: #121933;
  --border: #243055;
  --text: #edf2ff;
  --muted: #a8b3d1;
  --accent: #86efac;
  --danger: #fca5a5;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: linear-gradient(180deg, #080c18, #0f1630);
  color: var(--text);
}
.container {
  max-width: 1500px;
  margin: 0 auto;
  padding: 24px;
}
.hero { margin-bottom: 20px; }
.grid {
  display: grid;
  grid-template-columns: minmax(420px, 520px) 1fr;
  gap: 20px;
  align-items: start;
}
.panel {
  background: rgba(18, 25, 51, 0.95);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 20px;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.25);
}
.eyebrow { text-transform: uppercase; letter-spacing: 0.08em; color: var(--accent); font-size: 12px; }
h1 { margin: 8px 0 10px; font-size: 32px; }
.muted { color: var(--muted); }
.form-panel {
  display: flex;
  flex-direction: column;
  gap: 16px;
  max-height: calc(100vh - 120px);
  overflow-y: auto;
  padding-right: 6px;
}
.row { display: grid; gap: 12px; }
.row.two,
.row.three,
.row.four {
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
}
label { display: flex; flex-direction: column; gap: 8px; font-size: 14px; }
input, select, button {
  border-radius: 12px;
  border: 1px solid var(--border);
  background: #091126;
  color: var(--text);
  padding: 10px 12px;
}
input, select {
  width: 100%;
  min-width: 0;
}
button {
  background: linear-gradient(135deg, #2563eb, #22c55e);
  border: none;
  font-weight: 700;
  cursor: pointer;
}
.actions { display: flex; align-items: center; gap: 12px; }
.table-wrap { overflow: auto; margin-top: 16px; }
table { width: 100%; border-collapse: collapse; }
th, td {
  text-align: left;
  border-bottom: 1px solid var(--border);
  padding: 10px 8px;
  vertical-align: top;
  font-size: 14px;
}
.summary-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-bottom: 16px;
}
.metric {
  background: #0a1228;
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 14px;
}
.metric h3 { margin: 0 0 6px; color: var(--muted); font-size: 13px; font-weight: 600; }
.metric p { margin: 0; font-size: 22px; font-weight: 800; }
.assumptions { margin: 16px 0; padding-left: 18px; color: var(--muted); }
.positive { color: var(--accent); }
.negative { color: var(--danger); }
@media (max-width: 1100px) {
  .grid { grid-template-columns: 1fr; }
  .row.two, .row.three, .row.four, .summary-grid { grid-template-columns: 1fr; }
}