:root {
  --bg: #f4efe4;
  --paper: #fffaf0;
  --ink: #1f1b16;
  --muted: #6f675d;
  --line: #d7cdbf;
  --accent: #aa3d2d;
  --accent2: #285943;
  --mono: 'JetBrains Mono', monospace;
  --sans: 'Manrope', 'Noto Sans KR', sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background:
    radial-gradient(circle at top right, rgba(170, 61, 45, 0.10), transparent 25%),
    radial-gradient(circle at left 20%, rgba(40, 89, 67, 0.12), transparent 20%),
    var(--bg);
  color: var(--ink);
  font-family: var(--sans);
}

.layout {
  max-width: 1280px;
  margin: 0 auto;
  padding: 28px;
}

.hero-card, .panel {
  background: rgba(255, 250, 240, 0.85);
  border: 1px solid var(--line);
  border-radius: 24px;
  box-shadow: 0 12px 40px rgba(31, 27, 22, 0.06);
  backdrop-filter: blur(8px);
}

.hero-card {
  padding: 30px;
  margin-bottom: 22px;
}

.eyebrow {
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent2);
  margin-bottom: 10px;
  font-weight: 700;
}

.hero-card h1 {
  margin: 0 0 14px;
  font-size: 40px;
  line-height: 1.08;
  max-width: 980px;
}

.hero-card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.8;
  max-width: 860px;
}

.hero-pills {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 20px;
}

.pill {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 8px 12px;
  font-size: 12px;
  color: var(--muted);
  background: rgba(255,255,255,0.5);
}

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px;
  margin-bottom: 22px;
}

.panel {
  padding: 22px;
}

.form-panel {
  margin-bottom: 22px;
}

.intake-form {
  margin-top: 8px;
}

.frontier-import-form {
  margin-top: 8px;
}

.file-upload {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.alias-guide {
  margin-top: 14px;
  border: 1px dashed var(--line);
  border-radius: 14px;
  padding: 12px 14px;
  background: rgba(255,255,255,0.4);
}

.alias-guide summary {
  cursor: pointer;
  font-weight: 700;
}

.alias-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px 14px;
  margin-top: 12px;
}

.alias-item strong {
  display: block;
  font-size: 12px;
  margin-bottom: 4px;
}

.alias-item code {
  display: block;
  white-space: normal;
  font-size: 11px;
  line-height: 1.6;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}

.compact-grid {
  margin-bottom: 18px;
}

.form-grid label {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-grid span {
  font-size: 12px;
  color: var(--muted);
}

.field-help {
  display: block;
  color: var(--muted);
  font-size: 11px;
  line-height: 1.5;
}

.form-grid input,
.form-grid select {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 11px 12px;
  background: rgba(255,255,255,0.7);
  color: var(--ink);
  font-family: var(--sans);
}

.form-actions {
  margin-top: 16px;
  display: flex;
  justify-content: flex-end;
}

.step-stack {
  display: grid;
  gap: 12px;
  margin-bottom: 18px;
}

.step-card {
  border: 1px solid rgba(215, 205, 191, 0.9);
  border-radius: 18px;
  background: rgba(255,255,255,0.45);
  overflow: hidden;
}

.step-card.active {
  border-color: rgba(170, 61, 45, 0.45);
  box-shadow: 0 8px 24px rgba(170, 61, 45, 0.08);
}

.step-head {
  width: 100%;
  border: 0;
  background: transparent;
  padding: 16px 18px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  text-align: left;
  font: inherit;
  color: var(--ink);
  cursor: pointer;
}

.step-badge {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 5px 9px;
  font-size: 11px;
  color: var(--muted);
  white-space: nowrap;
}

.step-body {
  padding: 0 18px 18px;
}

.step-copy {
  margin: 0 0 12px;
  color: var(--muted);
  line-height: 1.7;
}

.step-actions {
  margin-top: 12px;
  display: flex;
  justify-content: flex-end;
}

.step-actions button {
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.75);
  color: var(--ink);
  border-radius: 12px;
  padding: 10px 14px;
  font-weight: 700;
  cursor: pointer;
}

.form-actions button {
  border: 0;
  background: linear-gradient(135deg, var(--accent), #d16a3c);
  color: #fff;
  border-radius: 14px;
  padding: 12px 18px;
  font-weight: 700;
  cursor: pointer;
}

.panel-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 16px;
}

.panel-head h2 {
  margin: 0;
  font-size: 20px;
}

.panel-sub {
  font-size: 12px;
  color: var(--muted);
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}

.metric, .weight-card {
  border: 1px solid rgba(215, 205, 191, 0.9);
  border-radius: 18px;
  padding: 16px;
  background: rgba(255,255,255,0.45);
}

.metric span, .weight-card span {
  display: block;
  font-size: 12px;
  color: var(--muted);
  margin-bottom: 8px;
}

.metric strong, .weight-card strong {
  font-size: 22px;
}

.weights {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-bottom: 14px;
}

.strategy-stack {
  display: grid;
  gap: 12px;
}

.strategy-card {
  border: 1px solid rgba(215, 205, 191, 0.9);
  border-radius: 18px;
  padding: 16px;
  background: rgba(255,255,255,0.45);
}

.strategy-top {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: flex-start;
  margin-bottom: 10px;
}

.strategy-title {
  font-weight: 800;
  font-size: 16px;
}

.strategy-sub {
  color: var(--muted);
  font-size: 12px;
  margin-top: 4px;
}

.strategy-fit {
  font-size: 26px;
  font-weight: 800;
  color: var(--accent2);
}

.strategy-metrics {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 12px;
  margin-bottom: 10px;
  color: var(--muted);
  font-size: 12px;
}

.rationale-list {
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
  line-height: 1.7;
}

.heatmap-layout {
  max-width: 1440px;
}

.heatmap-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 16px;
  margin-bottom: 22px;
}

.toolbar-group {
  display: flex;
  gap: 14px;
}

.toolbar-group label {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.toolbar-group select {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 11px 12px;
  background: rgba(255,255,255,0.7);
  color: var(--ink);
}

.control-hidden {
  display: none !important;
}

.toolbar-note {
  color: var(--muted);
  font-size: 12px;
  max-width: 420px;
  line-height: 1.7;
}

.heatmap-board {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  gap: 10px;
  min-height: 640px;
}

.heatmap-group {
  margin-bottom: 18px;
  grid-column: 1 / -1;
}

.heatmap-group-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin: 0 0 10px;
  gap: 12px;
}

.heatmap-group-head h3,
.rank-head {
  margin: 0;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.heatmap-group-head h3 {
  flex: 1 1 auto;
  min-width: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.heatmap-tile {
  border-radius: 18px;
  border: 1px solid rgba(255,255,255,0.12);
  padding: 12px;
  min-height: 92px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.06);
  text-align: left;
  cursor: pointer;
  transition: transform 120ms ease, box-shadow 120ms ease;
}

.heatmap-tile:hover {
  transform: translateY(-1px);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.06), 0 10px 20px rgba(0,0,0,0.12);
}

.heatmap-tile.is-active {
  outline: 3px solid rgba(17, 24, 39, 0.8);
  outline-offset: 1px;
}

.heatmap-name {
  font-size: 14px;
  font-weight: 800;
}

.heatmap-ticker {
  font-family: var(--mono);
  font-size: 11px;
  opacity: 0.9;
}

.heatmap-meta {
  font-size: 12px;
  font-weight: 700;
}

.heatmap-detail {
  min-height: 640px;
}

.detail-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 16px;
}

.detail-chart-wrap {
  border: 1px solid rgba(215, 205, 191, 0.75);
  border-radius: 14px;
  overflow: hidden;
  margin-bottom: 14px;
  background: #f8f1e4;
}

.detail-chart-wrap svg {
  display: block;
  width: 100%;
  height: 220px;
}

.detail-notes {
  color: var(--muted);
  line-height: 1.7;
  font-size: 13px;
}

.ranking-panel {
  margin-top: 20px;
}

.public-explainer {
  margin-top: 18px;
}

.panel-head.compact {
  margin-bottom: 10px;
}

.ranking-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.ranking-list {
  display: grid;
  gap: 8px;
}

.ranking-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  border: 1px solid rgba(215, 205, 191, 0.75);
  border-radius: 12px;
  padding: 10px 12px;
  background: rgba(255,255,255,0.55);
}

.ranking-item strong {
  display: block;
  font-size: 13px;
}

.ranking-item span {
  display: block;
  font-size: 11px;
  color: var(--muted);
}

.ranking-item code {
  font-size: 12px;
}

.explain {
  margin: 0;
  color: var(--muted);
  line-height: 1.75;
}

.table-wrap {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
}

th, td {
  padding: 12px 10px;
  border-bottom: 1px solid rgba(215, 205, 191, 0.75);
  text-align: left;
  font-size: 13px;
}

th {
  color: var(--muted);
  font-weight: 700;
}

code {
  font-family: var(--mono);
  color: var(--accent);
}

@media (max-width: 1100px) {
  .grid-2 { grid-template-columns: 1fr; }
  .metric-grid { grid-template-columns: repeat(2, 1fr); }
  .form-grid { grid-template-columns: repeat(2, 1fr); }
  .heatmap-toolbar { flex-direction: column; align-items: stretch; }
  .toolbar-group { flex-direction: column; }
  .detail-grid { grid-template-columns: 1fr 1fr; }
  .ranking-grid { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
  .layout { padding: 18px; }
  .hero-card h1 { font-size: 28px; }
  .metric-grid, .weights { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .alias-grid { grid-template-columns: 1fr; }
  .detail-grid { grid-template-columns: 1fr; }
}