:root {
  color-scheme: light;
  --page: #f4f7f5;
  --panel: #ffffff;
  --panel-2: #f8faf9;
  --ink: #10231a;
  --ink-2: #50645a;
  --ink-3: #829087;
  --line: #dfe7e2;
  --green: #087a4f;
  --green-2: #10a66a;
  --green-soft: #eaf8f1;
  --blue: #2f6fed;
  --amber: #c57a16;
  --red: #c84545;
  --purple: #7754c7;
  --shadow: 0 10px 30px rgba(16, 35, 26, 0.07);
  --sans: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --mono: "SFMono-Regular", "Cascadia Code", "Roboto Mono", monospace;
}

[data-theme="dark"] {
  color-scheme: dark;
  --page: #07100c;
  --panel: #0d1712;
  --panel-2: #101d16;
  --ink: #edf6f1;
  --ink-2: #a2b5aa;
  --ink-3: #71857a;
  --line: #23342a;
  --green: #2bd18d;
  --green-2: #42dfa0;
  --green-soft: #0d2a1e;
  --blue: #72a3ff;
  --amber: #f3b34f;
  --red: #ff7a7a;
  --purple: #b49af2;
  --shadow: 0 14px 38px rgba(0, 0, 0, 0.24);
}

* { box-sizing: border-box; }
html { min-width: 320px; }
body {
  margin: 0;
  background: var(--page);
  color: var(--ink);
  font-family: var(--sans);
  line-height: 1.45;
  -webkit-font-smoothing: antialiased;
}
button, input, select { font: inherit; }
button, select, input { color: inherit; }
button:focus-visible, input:focus-visible, select:focus-visible, summary:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 2px;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 64px;
  padding: 10px 24px;
  border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--panel) 90%, transparent);
  backdrop-filter: blur(18px);
}
[data-embed="1"] .topbar { display: none; }
[data-embed="1"] .app { min-height: 100vh; }
.brand { display: flex; align-items: center; gap: 11px; font-weight: 750; }
.brand-mark {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: linear-gradient(145deg, var(--green), var(--green-2));
}
.top-actions { display: flex; gap: 8px; }
.button {
  min-height: 38px;
  padding: 8px 12px;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: var(--panel);
  cursor: pointer;
  color: var(--ink-2);
  font-size: 13px;
}
.button:hover { color: var(--ink); border-color: var(--ink-3); }
.button.primary { color: #fff; border-color: var(--green); background: var(--green); }

.app {
  display: grid;
  grid-template-columns: 380px minmax(0, 1fr);
  min-height: calc(100vh - 64px);
}
.sidebar {
  padding: 16px 18px;
  border-right: 1px solid var(--line);
  background: var(--panel);
}
.sidebar-head { margin-bottom: 12px; }
.eyebrow {
  color: var(--green);
  font: 700 11px var(--mono);
  letter-spacing: 1.2px;
  text-transform: uppercase;
}
.sidebar h1 { margin: 8px 0 4px; font-size: 24px; letter-spacing: -0.03em; }
.sidebar-head p { margin: 0; color: var(--ink-2); font-size: 13px; line-height: 1.35; }
.status-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-top: 8px;
}
.confidence {
  padding: 4px 8px;
  border-radius: 999px;
  background: var(--green-soft);
  color: var(--green);
  font: 700 11px var(--mono);
  text-transform: uppercase;
}
.saved { color: var(--ink-3); font-size: 12px; }

.group {
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px solid var(--line);
}
.group-title {
  margin-bottom: 8px;
  color: var(--ink-3);
  font: 700 11px var(--mono);
  letter-spacing: 1.4px;
  text-transform: uppercase;
}
.field { margin-bottom: 9px; }
.field label {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
  color: var(--ink-2);
  font-size: 14px;
}
.field-output { color: var(--ink); font: 600 13px var(--mono); }
.field input[type="number"], .field input[type="text"], .field select {
  width: 100%;
  min-height: 36px;
  margin-top: 4px;
  padding: 6px 9px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel-2);
  font-family: var(--mono);
  font-size: 13px;
}
.field input[type="range"] {
  width: 100%;
  margin-top: 5px;
  accent-color: var(--blue);
}
.pair { display: grid; grid-template-columns: 1fr 1fr; align-items: end; gap: 8px; }
.hint { margin-top: 3px; color: var(--ink-3); font-size: 11px; line-height: 1.3; }

.export-options { align-items: stretch; }
.export-card {
  display: flex;
  min-height: 230px;
  flex-direction: column;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
}
.export-card h3 { margin: 6px 0 8px; font-size: 22px; }
.export-card p { max-width: 440px; margin: 0; color: var(--ink-2); }
.export-card.featured { border-color: color-mix(in srgb, var(--green) 40%, var(--line)); background: var(--green-soft); }
.export-includes { margin-top: 12px; }
.report-content-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-top: 14px; }
.report-content-grid span { padding: 10px 12px; border-radius: 7px; background: var(--panel-2); color: var(--ink-2); font-size: 13px; }

.advanced {
  margin-top: 14px;
  border: 1px solid var(--line);
  border-radius: 11px;
  background: var(--panel-2);
  overflow: hidden;
}
.advanced > summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 12px;
  cursor: pointer;
  list-style: none;
  font-size: 14px;
  font-weight: 700;
}
.advanced > summary::-webkit-details-marker { display: none; }
.advanced > summary::after { content: "+"; color: var(--green); font-size: 20px; }
.advanced[open] > summary::after { content: "−"; }
.advanced-body { padding: 0 12px 10px; border-top: 1px solid var(--line); }
.advanced-reset { width: 100%; margin-top: 8px; }
.advanced .group { margin-top: 10px; padding-top: 10px; }

.workspace { min-width: 0; padding: 22px 28px 60px; }
.scenario-context {
  width: 100%;
  max-width: 100%;
  margin-bottom: 10px;
}
.scenario-context .field { width: 100%; margin: 0; }
.scenario-context .scenario-name { max-width: 520px; }
.scenario-context .field label { font-size: 12px; }
.scenario-context .field input,
.scenario-context .field select {
  min-height: 36px;
  background: var(--panel);
}
.view-nav {
  display: flex;
  gap: 5px;
  overflow-x: auto;
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: 11px;
  background: var(--panel);
  width: 100%;
  max-width: 100%;
}
.view-tab {
  flex: 1 1 0;
  white-space: nowrap;
  padding: 8px 12px;
  border: 0;
  border-radius: 8px;
  background: transparent;
  color: var(--ink-2);
  cursor: pointer;
  font-size: 13px;
}
.view-tab[aria-selected="true"] { background: var(--green); color: #fff; }
.view { margin-top: 28px; }
.view[hidden] { display: none; }
.view-head { margin-bottom: 22px; }
.view-head h2 { margin: 0; font-size: 30px; letter-spacing: -0.035em; }
.view-head p { max-width: 760px; margin: 6px 0 0; color: var(--ink-2); }

.hero {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: linear-gradient(145deg, var(--panel), var(--green-soft));
  box-shadow: var(--shadow);
}
.hero-label { color: var(--ink-3); font: 700 11px var(--mono); letter-spacing: 1.4px; text-transform: uppercase; }
.hero-row { display: flex; align-items: baseline; flex-wrap: wrap; gap: 16px; margin-top: 4px; }
.hero-value { font: 700 clamp(42px, 6vw, 72px) var(--mono); letter-spacing: -0.06em; }
.hero-delta { color: var(--green); font-weight: 650; }
.hero-note { margin-top: 12px; color: var(--ink-2); font-size: 14px; }

.metrics {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  margin-top: 12px;
}
.metric, .card {
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--panel);
}
.metric-label, .card-kicker {
  color: var(--ink-3);
  font: 700 10px var(--mono);
  letter-spacing: 1px;
  text-transform: uppercase;
}
.metric-value { margin-top: 4px; font: 700 24px var(--mono); }
.metric-note { margin-top: 3px; color: var(--ink-2); font-size: 12px; }
.positive { color: var(--green); }
.negative { color: var(--red); }

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 12px; }
.card h3 { margin: 0 0 12px; font-size: 17px; }
.bridge-row, .table-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 14px;
  padding: 9px 0;
  border-bottom: 1px solid var(--line);
  color: var(--ink-2);
  font-size: 14px;
}
.bridge-row strong, .table-row strong { color: var(--ink); font-family: var(--mono); }
.bridge-row.total { border-bottom: 0; color: var(--ink); font-weight: 700; }
.bridge-row.total strong { color: var(--green); font-size: 18px; }

.path-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr 1fr;
  gap: 12px;
}
.path-card {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 13px;
  background: var(--panel);
}
.path-card strong { display: block; margin-top: 4px; font: 700 28px var(--mono); }
.path-card p { margin: 4px 0 0; color: var(--ink-2); font-size: 13px; }
.split {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 7px;
  margin-top: 14px;
}
.split-item { padding-left: 8px; border-left: 3px solid var(--green); color: var(--ink-2); font-size: 11px; }
.split-item:nth-child(2) { border-color: var(--blue); }
.split-item:nth-child(3) { border-color: var(--red); }
.split-item b { display: block; color: var(--ink); font: 700 14px var(--mono); }

.comparison { margin-top: 12px; }
.comparison-row {
  display: grid;
  grid-template-columns: 1.3fr auto 2fr;
  gap: 14px;
  align-items: center;
  padding: 11px 0;
  border-bottom: 1px solid var(--line);
  color: var(--ink-2);
  font-size: 14px;
}
.comparison-row strong { color: var(--ink); font-family: var(--mono); }
.track { height: 10px; overflow: hidden; border-radius: 999px; background: var(--line); }
.track-fill { height: 100%; border-radius: inherit; background: var(--green); }
.chart { margin-top: 12px; }
.chart svg { display: block; width: 100%; height: auto; }
.legend { display: flex; gap: 15px; flex-wrap: wrap; margin-top: 8px; color: var(--ink-2); font-size: 12px; }
.legend i { display: inline-block; width: 9px; height: 9px; margin-right: 5px; border-radius: 50%; }

.warning {
  margin-top: 12px;
  padding: 13px 14px;
  border: 1px solid color-mix(in srgb, var(--amber) 50%, var(--line));
  border-radius: 10px;
  background: color-mix(in srgb, var(--amber) 9%, var(--panel));
  color: var(--ink-2);
  font-size: 14px;
}
.warning strong { color: var(--ink); }
.assumption-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.assumption-table th, .assumption-table td { padding: 9px 10px; border-bottom: 1px solid var(--line); text-align: left; }
.assumption-table th { color: var(--ink-3); font-size: 11px; text-transform: uppercase; letter-spacing: 0.8px; }
.assumption-table td:nth-child(2) { font-family: var(--mono); }
.source-tag { display: inline-block; padding: 3px 6px; border-radius: 999px; background: var(--panel-2); color: var(--ink-2); font-size: 11px; }

@media (max-width: 1050px) {
  .app { grid-template-columns: 340px minmax(0, 1fr); }
  .metrics { grid-template-columns: 1fr 1fr; }
  .path-grid { grid-template-columns: 1fr; }
}
@media (max-width: 780px) {
  .topbar { padding-inline: 16px; }
  .app { display: block; }
  .sidebar { border-right: 0; border-bottom: 1px solid var(--line); }
  .workspace { padding: 18px 16px 50px; }
  .scenario-context { width: 100%; }
  .grid-2 { grid-template-columns: 1fr; }
  .comparison-row { grid-template-columns: 1fr auto; }
  .comparison-row .track { grid-column: 1 / -1; }
}
@media (max-width: 480px) {
  .top-actions .button:not(.primary) { display: none; }
  .pair, .metrics { grid-template-columns: 1fr; }
  .hero { padding: 18px; }
  .hero-value { font-size: 42px; }
  .split { grid-template-columns: 1fr; }
}