:root {
  color-scheme: dark;
  --bg: #0f1114;
  --panel: #161a1f;
  --cell: #1d2126;
  --stroke: #2a2f36;
  --text: #e8eaed;
  --muted: #a0a7b4;
  --accent: #d6b46a;
  --ok: #7dd3fc;
  --warn: #fca5a5;
  --radius: 12px;
  --transition: 180ms ease;
  --max-width: min(94vw, 1200px);
  font-family: "Inter", "Segoe UI", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  background: var(--bg);
  color: var(--text);
}

body {
  display: flex;
  justify-content: center;
  padding: clamp(18px, 4vw, 48px) 16px clamp(36px, 6vw, 72px);
}

.skip-link {
  position: absolute;
  left: 16px;
  top: -48px;
  padding: 10px 16px;
  background: var(--accent);
  color: var(--bg);
  border-radius: 6px;
  text-decoration: none;
  font-weight: 600;
  transition: top var(--transition);
  z-index: 100;
}

.skip-link:focus {
  top: 16px;
}

#app {
  position: relative;
  width: var(--max-width);
  display: flex;
  flex-direction: column;
  gap: clamp(18px, 3vw, 28px);
  padding: clamp(20px, 3vw, 40px);
  background: linear-gradient(160deg, rgba(20, 24, 29, 0.92), rgba(11, 13, 18, 0.94));
  border-radius: var(--radius);
  border: 1px solid rgba(42, 47, 54, 0.75);
  box-shadow: 0 18px 48px rgba(0, 0, 0, 0.45);
  overflow: hidden;
}

.controls-header {
  display: flex;
  justify-content: center;
  align-items: center;
  text-align: center;
}

.controls-header h1 {
  margin: 0;
  font-size: clamp(1.6rem, 3vw, 2.3rem);
}

.explain-panel {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: clamp(16px, 2vw, 24px);
}

.control-action {
  align-self: stretch;
  margin-top: 4px;
  text-align: center;
}

.control-action.ghost {
  border-style: dashed;
  padding: 12px 16px;
  font-size: 0.9rem;
}

.control-group {
  border: 1px solid rgba(67, 73, 84, 0.6);
  border-radius: 10px;
  padding: 16px 18px;
  background: rgba(24, 28, 34, 0.7);
  display: grid;
  gap: 14px;
  transition: border var(--transition), background var(--transition);
}

.control-group legend {
  padding: 0 8px;
  font-size: 0.84rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--muted);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.control-group legend span {
  flex: 1;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 0.95rem;
  color: var(--muted);
}

.field span {
  letter-spacing: 0.01em;
}

textarea,
input[type="number"],
input[type="range"] {
  font: inherit;
}

textarea,
input[type="number"] {
  background: rgba(29, 33, 38, 0.8);
  border: 1px solid rgba(67, 73, 84, 0.8);
  border-radius: 8px;
  color: var(--text);
  padding: 10px 12px;
  transition: border var(--transition), box-shadow var(--transition), background var(--transition);
  resize: vertical;
  min-height: 48px;
}

textarea:focus-visible,
input[type="number"]:focus-visible {
  outline: none;
  border-color: rgba(214, 180, 106, 0.8);
  box-shadow: 0 0 0 3px rgba(214, 180, 106, 0.2);
}

input[type="range"] {
  accent-color: var(--accent);
}

.seed-row {
  display: grid;
  gap: 8px;
}

button {
  font: inherit;
  padding: 10px 18px;
  border-radius: 8px;
  border: 1px solid rgba(88, 99, 112, 0.6);
  background: rgba(36, 40, 48, 0.85);
  color: var(--text);
  cursor: pointer;
  transition: transform var(--transition), background var(--transition), border var(--transition);
}

button:hover,
button:focus-visible {
  transform: translateY(-1px);
  outline: none;
  background: rgba(54, 60, 72, 0.92);
  border-color: rgba(138, 149, 173, 0.8);
}

button.accent {
  background: rgba(214, 180, 106, 0.18);
  color: var(--accent);
  border-color: rgba(214, 180, 106, 0.62);
}

button.accent:hover,
button.accent:focus-visible {
  background: rgba(214, 180, 106, 0.28);
}

button.modal-close {
  font-size: 1.4rem;
  width: auto;
  height: auto;
  padding: 0;
  border: none;
  background: transparent;
  color: rgba(214, 180, 106, 0.8);
}

button.ghost {
  background: transparent;
  border-color: rgba(88, 99, 112, 0.4);
  color: var(--muted);
}

button.ghost:hover,
button.ghost:focus-visible {
  color: var(--text);
  border-color: rgba(138, 149, 173, 0.7);
  background: rgba(54, 60, 72, 0.24);
}

.stage {
  border: 1px solid rgba(42, 47, 54, 0.8);
  border-radius: 14px;
  background: rgba(19, 22, 27, 0.74);
  padding: clamp(18px, 3vw, 28px);
  display: grid;
  gap: clamp(14px, 2vw, 20px);
}

.info-button {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: rgba(214, 180, 106, 0.14);
  border: 1px solid rgba(214, 180, 106, 0.6);
  color: var(--accent);
  font-size: 1rem;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
  transition: background var(--transition), border var(--transition), transform var(--transition);
}

.info-button:hover,
.info-button:focus-visible {
  transform: translateY(-1px);
  background: rgba(214, 180, 106, 0.3);
}

.stage-summary {
  margin: 0;
  font-size: 0.95rem;
  color: rgba(214, 180, 106, 0.92);
  text-align: center;
}

.stage-summary.is-error {
  color: var(--warn);
}

.recipe-gallery {
  display: grid;
  gap: 12px;
}

.recipe-gallery__header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
}

.recipe-gallery__header h2 {
  margin: 0;
  font-size: clamp(1.2rem, 3vw, 1.6rem);
}

.recipe-gallery__header p {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.recipe-gallery__scroller {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(220px, 1fr);
  gap: 14px;
  overflow-x: auto;
  padding-bottom: 6px;
  scroll-snap-type: x mandatory;
}

.recipe-card {
  background: rgba(22, 27, 33, 0.76);
  border: 1px solid rgba(214, 180, 106, 0.24);
  border-radius: 14px;
  padding: 14px;
  display: grid;
  gap: 10px;
  scroll-snap-align: start;
}

.recipe-card__thumb {
  width: 100%;
  aspect-ratio: 1 / 1;
  border-radius: 10px;
  background: rgba(29, 33, 38, 0.9);
  display: grid;
  place-items: center;
  font-size: 0.8rem;
  color: var(--muted);
  overflow: hidden;
}

.recipe-card__title {
  margin: 0;
  font-size: 1rem;
  color: var(--text);
}

.recipe-card__meta {
  font-size: 0.78rem;
  color: rgba(214, 180, 106, 0.76);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.recipe-card__description {
  margin: 0;
  font-size: 0.88rem;
  color: var(--muted);
}

.recipe-card__actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
}

.favorite-toggle {
  font-size: 1.2rem;
  line-height: 1;
  padding: 6px 8px;
  border: none;
  background: transparent;
  color: rgba(214, 180, 106, 0.6);
  transition: color var(--transition);
}

.favorite-toggle.is-active {
  color: var(--accent);
}

.stats-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
  background: rgba(15, 17, 20, 0.6);
  border: 1px solid rgba(42, 47, 54, 0.6);
  border-radius: 12px;
  padding: 12px 18px;
  font-size: 0.9rem;
}

.stats-bar .stat {
  color: var(--muted);
}


.canvas-shell {
  position: relative;
  border-radius: 12px;
  border: 1px solid rgba(67, 73, 84, 0.7);
  background: radial-gradient(circle at top, rgba(214, 180, 106, 0.12), transparent 55%),
    linear-gradient(180deg, rgba(26, 30, 36, 0.9), rgba(15, 17, 20, 0.96));
  overflow: hidden;
  min-height: 420px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.parameter-panel {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: clamp(12px, 2vw, 18px);
}

svg {
  width: 100%;
  height: auto;
  aspect-ratio: 1 / 1;
  display: block;
}

svg g {
  stroke: var(--accent);
  stroke-width: 2;
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
  transition: stroke var(--transition);
}

.modal[hidden] {
  display: none;
}

.modal {
  position: fixed;
  inset: 0;
  display: grid;
  place-items: center;
  z-index: 200;
}

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(6, 7, 10, 0.72);
}

.modal-content {
  position: relative;
  z-index: 1;
  width: min(92vw, 520px);
  border-radius: 16px;
  border: 1px solid rgba(214, 180, 106, 0.32);
  background: rgba(24, 28, 34, 0.96);
  padding: clamp(20px, 4vw, 32px);
  box-shadow: 0 24px 68px rgba(0, 0, 0, 0.55);
  color: var(--text);
  display: flex;
  flex-direction: column;
  max-height: min(82vh, 640px);
  overflow: hidden;
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 16px;
}

.modal-header h2 {
  margin: 0;
  font-size: clamp(1.4rem, 3vw, 1.8rem);
}

.modal-body {
  display: grid;
  gap: 12px;
  font-size: 0.96rem;
  color: var(--muted);
  overflow-y: auto;
  flex: 1 1 auto;
  padding-right: 6px;
}

.modal-body ul {
  margin: 0 0 8px 0;
  padding-left: 20px;
  color: var(--text);
}

.modal-body h3 {
  margin: 8px 0 0 0;
  font-size: 1rem;
  color: var(--text);
}

.modal-section {
  display: grid;
  gap: 10px;
}

.modal-walkthrough {
  margin: 4px 0 0 0;
  padding-left: 20px;
  color: var(--muted);
  font-size: 0.9rem;
}

.modal-walkthrough code {
  font-family: 'Fira Code', 'SFMono-Regular', Menlo, monospace;
  color: var(--ok);
}

.recipe-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.recipe-list li {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  border: 1px solid rgba(214, 180, 106, 0.24);
  border-radius: 10px;
  background: rgba(29, 33, 38, 0.6);
}

.recipe-list button {
  padding: 8px 14px;
  font-size: 0.85rem;
}

.recipe-details {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.recipe-details strong {
  font-size: 1rem;
  color: var(--text);
}

.recipe-meta {
  font-size: 0.78rem;
  color: rgba(214, 180, 106, 0.76);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.recipe-description {
  margin: 0;
  font-size: 0.88rem;
  color: var(--muted);
}

.modal-footer {
  margin-top: 12px;
  display: grid;
  gap: 10px;
  flex: 0 0 auto;
}

.more-info-toggle {
  justify-self: flex-start;
}

.more-info {
  border: 1px solid rgba(214, 180, 106, 0.24);
  border-radius: 10px;
  padding: 14px 16px;
  background: rgba(29, 33, 38, 0.75);
  font-size: 0.9rem;
  color: var(--muted);
  display: grid;
  gap: 10px;
  max-height: 260px;
  overflow-y: auto;
}

.more-info[hidden] {
  display: none;
}

.more-info dl {
  margin: 0;
  display: grid;
  gap: 8px;
}

.more-info dt {
  font-weight: 600;
  color: var(--text);
}

.more-info dd {
  margin: 0;
}

.more-info code {
  font-family: 'Fira Code', 'SFMono-Regular', Menlo, monospace;
  color: var(--ok);
  font-size: 0.85rem;
}

.more-info details {
  background: rgba(15, 17, 22, 0.6);
  border: 1px solid rgba(214, 180, 106, 0.18);
  border-radius: 8px;
  padding: 10px 12px;
}

.more-info summary {
  cursor: pointer;
  color: var(--accent);
  font-weight: 600;
}

.more-info ol {
  margin: 8px 0 0 0;
  padding-left: 18px;
  color: var(--muted);
}

@media (max-width: 640px) {
  body {
    padding: 16px;
  }

  #app {
    padding: 18px;
    gap: 16px;
  }

  .stage {
    padding: 16px;
  }

  .parameter-panel {
    grid-template-columns: 1fr;
  }

  .control-action {
    width: 100%;
  }

  .recipe-gallery__scroller {
    grid-auto-columns: minmax(70%, 1fr);
    scroll-snap-type: x mandatory;
  }

  .explain-panel {
    gap: 16px;
  }

  .control-group,
  .control-group.compact {
    padding: 14px;
  }
}
.recipe-card.is-active {
  border-color: rgba(214, 180, 106, 0.6);
  box-shadow: 0 0 22px rgba(214, 180, 106, 0.25);
}