:root {
  color-scheme: light;
  --bg: #f4f1ea;
  --panel: #fbfaf7;
  --ink: #1d1b16;
  --muted: #6b6457;
  --accent: #e45d36;
  --accent-dark: #b84524;
  --edge: #d9d2c2;
  --shadow: rgba(29, 27, 22, 0.08);
  font-family: "Space Grotesk", system-ui, sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: radial-gradient(circle at top left, #fff4dd 0%, #f4f1ea 50%, #e6dfd3 100%);
  color: var(--ink);
}

.page {
  max-width: 1200px;
  margin: 0 auto;
  padding: 32px 24px 48px;
}

.hero {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 24px;
  margin-bottom: 32px;
}

.hero-controls {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 12px;
}

.locale {
  display: grid;
  gap: 6px;
  justify-items: end;
  font-size: 12px;
  color: var(--muted);
}

.locale select {
  padding: 6px 10px;
  border-radius: 10px;
  border: 1px solid var(--edge);
  background: #fff;
  font-size: 13px;
}

.eyebrow {
  letter-spacing: 0.2em;
  text-transform: uppercase;
  font-size: 12px;
  color: var(--muted);
  margin-bottom: 8px;
}

h1 {
  font-size: clamp(28px, 4vw, 46px);
  margin: 0 0 12px;
}

.subtitle {
  max-width: 520px;
  margin: 0;
  color: var(--muted);
  font-size: 15px;
}

.badge {
  background: #161511;
  color: #fdf8ee;
  padding: 12px 16px;
  border-radius: 999px;
  font-weight: 600;
}

.layout {
  display: grid;
  grid-template-columns: minmax(280px, 360px) minmax(0, 1fr);
  gap: 24px;
  align-items: start;
}

.panel {
  background: var(--panel);
  padding: 24px;
  border-radius: 18px;
  border: 1px solid var(--edge);
  box-shadow: 0 18px 40px var(--shadow);
}

.panel h2 {
  margin-top: 0;
}

.field-row {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(auto-fit, minmax(90px, 1fr));
  margin-bottom: 12px;
}

label {
  font-size: 13px;
  color: var(--muted);
  display: flex;
  flex-direction: column;
  gap: 6px;
}

input[type="number"],
input[type="text"] {
  padding: 8px 10px;
  border-radius: 10px;
  border: 1px solid var(--edge);
  background: #fff;
  font-size: 14px;
}

.checkbox {
  display: flex;
  flex-direction: row;
  gap: 8px;
  align-items: center;
  font-size: 13px;
}

button {
  padding: 10px 16px;
  border-radius: 12px;
  border: none;
  font-weight: 600;
  cursor: pointer;
}

button.primary {
  background: #161511;
  color: #fdf8ee;
  margin-bottom: 12px;
}

.action-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 12px;
}

.action-row button.primary {
  margin-bottom: 0;
}

button.accent {
  background: var(--accent);
  color: #fff;
  width: 100%;
}

button.accent:hover {
  background: var(--accent-dark);
}

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

.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 8px;
}

.section-header h3 {
  margin: 0;
  font-size: 15px;
}

.list {
  display: grid;
  gap: 10px;
}

.list-card {
  border: 1px solid var(--edge);
  border-radius: 12px;
  padding: 10px 12px;
  background: #fff;
  display: grid;
  gap: 6px;
  font-size: 12px;
}

.list-card strong {
  font-size: 13px;
}

.list-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.meta {
  color: var(--muted);
}

button.ghost {
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid var(--edge);
  background: transparent;
  color: var(--ink);
}

button.ghost:hover {
  background: #f4efe3;
}

.list-actions button {
  padding: 6px 10px;
  font-size: 12px;
  border-radius: 10px;
}

.items-list {
  display: grid;
  gap: 12px;
  margin: 12px 0 16px;
}

.item-card {
  border: 1px solid var(--edge);
  border-radius: 12px;
  padding: 10px 12px;
  background: #fff;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
}

.item-card span {
  color: var(--muted);
}

.controls {
  border-top: 1px solid var(--edge);
  padding-top: 12px;
  display: grid;
  gap: 8px;
  margin-bottom: 16px;
}

.unit-toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 16px;
  font-size: 13px;
  color: var(--muted);
}

.unit-buttons {
  display: flex;
  gap: 4px;
  padding: 4px;
  border-radius: 999px;
  border: 1px solid var(--edge);
  background: #fff;
}

.unit-button {
  padding: 6px 12px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  color: var(--muted);
  background: transparent;
}

.unit-button.active {
  color: #fdf8ee;
  background: #161511;
}

.viewer {
  background: var(--panel);
  border: 1px solid var(--edge);
  border-radius: 18px;
  padding: 20px;
  box-shadow: 0 18px 40px var(--shadow);
  display: grid;
  gap: 16px;
  min-width: 0;
  align-self: start;
}

.viewer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

#variant-summary {
  color: var(--muted);
  margin: 4px 0 0;
  font-size: 14px;
}

#scene {
  width: 100%;
  height: 460px;
  border-radius: 16px;
  background: linear-gradient(135deg, #f9f3e4 0%, #efe7d7 100%);
}

.variants {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
}

.variant-card {
  border-radius: 14px;
  border: 1px solid var(--edge);
  padding: 12px;
  background: #fff;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.variant-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 20px var(--shadow);
}

.variant-card.active {
  border-color: #161511;
  box-shadow: 0 12px 20px rgba(22, 21, 17, 0.2);
}

.variant-chip {
  background: #f0d39c;
  color: #3a2b12;
  padding: 6px 12px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
}

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

  .hero {
    flex-direction: column;
    align-items: flex-start;
  }

  .hero-controls {
    align-items: flex-start;
  }

  #scene {
    height: 360px;
  }
}