:root {
  --ink: #1a2420;
  --muted: #5a6a62;
  --paper: #e8efe8;
  --panel: #f4f8f4;
  --deck: #c4a574;
  --deck-edge: #8a6a3e;
  --sail: #1f8a78;
  --sail-fill: rgba(31, 138, 120, 0.28);
  --shadow: rgba(28, 52, 70, 0.45);
  --sun: #f0a030;
  --line: rgba(26, 36, 32, 0.12);
  --accent: #c45c26;
  --display: "Fraunces", Georgia, serif;
  --sans: "Outfit", system-ui, sans-serif;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  min-height: 100%;
  color: var(--ink);
  font-family: var(--sans);
  background:
    radial-gradient(ellipse 80% 50% at 10% -10%, rgba(240, 160, 48, 0.22), transparent 50%),
    radial-gradient(ellipse 60% 40% at 100% 0%, rgba(31, 138, 120, 0.14), transparent 45%),
    linear-gradient(180deg, #dce8df 0%, var(--paper) 40%, #d4e0d6 100%);
}

.page {
  width: min(1180px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 1.5rem 0 3rem;
}

.hero {
  margin-bottom: 1.4rem;
}

.eyebrow {
  margin: 0 0 0.35rem;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
}

.hero h1 {
  margin: 0;
  font-family: var(--display);
  font-size: clamp(2.4rem, 5vw, 3.6rem);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.02em;
}

.lede {
  margin: 0.7rem 0 0;
  max-width: 38rem;
  font-size: 1.05rem;
  line-height: 1.45;
  color: var(--muted);
}

.layout {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(280px, 0.85fr);
  gap: 1.1rem;
  align-items: start;
}

.stage-panel,
.card {
  background: rgba(255, 255, 255, 0.55);
  border: 1px solid var(--line);
  border-radius: 18px;
  backdrop-filter: blur(8px);
}

.stage-panel {
  padding: 0.85rem;
}

.stage-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 0.75rem 1.25rem;
  margin-bottom: 0.65rem;
  padding: 0 0.25rem;
}

.time-control {
  display: grid;
  gap: 0.25rem;
  flex: 1 1 240px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--muted);
}

.time-control input[type="range"] {
  width: 100%;
  accent-color: var(--accent);
}

.time-control strong {
  font-size: 1.05rem;
  color: var(--ink);
}

.sun-readout {
  margin: 0;
  font-size: 0.88rem;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}

.stage-wrap {
  position: relative;
  border-radius: 14px;
  overflow: hidden;
  background:
    linear-gradient(180deg, #b8d4e8 0%, #9ec4dc 100%);
  border: 1px solid rgba(26, 36, 32, 0.1);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.25);
}

#stage {
  display: block;
  width: 100%;
  height: auto;
  cursor: grab;
  touch-action: none;
}

#stage.dragging {
  cursor: grabbing;
}

.stage-hint {
  margin: 0;
  padding: 0.45rem 0.7rem;
  font-size: 0.78rem;
  color: rgba(26, 36, 32, 0.7);
  background: rgba(255, 255, 255, 0.35);
}

.legend {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem 1rem;
  margin-top: 0.65rem;
  padding: 0 0.25rem;
  font-size: 0.8rem;
  color: var(--muted);
}

.legend span {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.swatch {
  display: inline-block;
  width: 0.85rem;
  height: 0.85rem;
  border-radius: 3px;
  border: 1px solid rgba(0, 0, 0, 0.15);
}

.swatch-deck { background: var(--deck); }
.swatch-sail { background: var(--sail-fill); border-color: var(--sail); }
.swatch-anchor { background: #1a2420; border-color: #1a2420; }
.swatch-shadow { background: var(--shadow); }
.swatch-north {
  background: transparent;
  border: none;
  width: auto;
  font-weight: 700;
  color: var(--ink);
}

.legend-heat:not([hidden]) {
  flex: 1 1 14rem;
  min-width: 12rem;
  display: grid;
  gap: 0.2rem;
  align-items: stretch;
}

.heat-bar {
  display: block;
  height: 0.85rem;
  border-radius: 4px;
  border: 1px solid rgba(0, 0, 0, 0.18);
  background: linear-gradient(90deg, #ffe566 0%, #f0a04d 40%, #2f6f9f 75%, #0c2c4a 100%);
}

.heat-bar-labels {
  display: flex;
  justify-content: space-between;
  font-size: 0.72rem;
  color: var(--muted);
}

.heat-bar-labels em {
  font-style: normal;
}

.sail-actions {
  display: flex;
  align-items: end;
}

.anchor-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.55rem;
}

.anchor-list li {
  display: flex;
  align-items: baseline;
  gap: 0.55rem;
  font-size: 0.88rem;
  line-height: 1.35;
  color: var(--ink);
}

.anchor-badge {
  flex: 0 0 auto;
  width: 1.35rem;
  height: 1.35rem;
  border-radius: 999px;
  background: var(--sail);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 700;
  display: inline-grid;
  place-items: center;
}

.time-control.is-dimmed {
  opacity: 0.45;
  pointer-events: none;
}

.controls {
  display: grid;
  gap: 0.85rem;
}

.card {
  padding: 1rem 1.05rem 1.1rem;
}

.card h2 {
  margin: 0 0 0.55rem;
  font-family: var(--display);
  font-size: 1.2rem;
  font-weight: 700;
}

.card-quiet p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.45;
  color: var(--muted);
}

.metric-big {
  margin: 0 0 0.75rem;
  font-family: var(--display);
  font-size: clamp(2.2rem, 4vw, 2.8rem);
  font-weight: 700;
  line-height: 1;
  color: var(--sail);
}

.metric-big small {
  display: block;
  margin-top: 0.35rem;
  font-family: var(--sans);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--muted);
}

.metric-row {
  display: flex;
  justify-content: space-between;
  gap: 0.75rem;
  margin: 0.35rem 0;
  font-size: 0.92rem;
  color: var(--muted);
}

.metric-row strong {
  color: var(--ink);
  font-variant-numeric: tabular-nums;
}

.metric-row em {
  font-style: normal;
  font-size: 0.8em;
  opacity: 0.8;
}

.metric-note {
  margin: 0.75rem 0 0;
  font-size: 0.82rem;
  line-height: 1.4;
  color: var(--muted);
}

.field-hint {
  margin: 0 0 0.65rem;
  font-size: 0.84rem;
  color: var(--muted);
}

.field-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.55rem 0.65rem;
}

.field-grid label {
  display: grid;
  gap: 0.25rem;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--muted);
}

.mode-toggle {
  display: flex;
  gap: 0.35rem;
  margin: 0 0 0.85rem;
  padding: 0.25rem;
  border-radius: 999px;
  background: rgba(26, 36, 32, 0.06);
  border: 1px solid var(--line);
}

.mode-toggle__btn {
  flex: 1;
  padding: 0.4rem 0.65rem;
  font: inherit;
  font-size: 0.86rem;
  font-weight: 600;
  color: var(--muted);
  background: transparent;
  border: 1px solid transparent;
  border-radius: 999px;
  cursor: pointer;
}

.mode-toggle__btn--active {
  color: var(--ink);
  background: rgba(255, 255, 255, 0.9);
  border-color: rgba(31, 138, 120, 0.35);
  box-shadow: 0 1px 2px rgba(26, 36, 32, 0.06);
}

.field-grid label.field-span {
  grid-column: 1 / -1;
}

.field-grid label:nth-child(4),
.field-grid label:nth-child(5),
.field-grid label:last-child {
  grid-column: 1 / -1;
}

.field-grid input,
.field-grid select {
  padding: 0.45rem 0.55rem;
  font: inherit;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--ink);
  background: rgba(255, 255, 255, 0.75);
  border: 1px solid var(--line);
  border-radius: 10px;
}

.error {
  margin: 0.55rem 0 0;
  font-size: 0.85rem;
  color: #a32020;
}

.ghost-btn {
  margin-top: 0.75rem;
  padding: 0.45rem 0.8rem;
  font: inherit;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--ink);
  background: rgba(255, 255, 255, 0.5);
  border: 1px solid var(--line);
  border-radius: 999px;
  cursor: pointer;
}

.ghost-btn:hover {
  border-color: rgba(31, 138, 120, 0.45);
}

@media (max-width: 900px) {
  .layout {
    grid-template-columns: 1fr;
  }
}