:root {
  --bg1: #fff7ed;
  --bg2: #ffedd5;
  --card: #ffffff;
  --text: #44403c;
  --muted: #a8a29e;
  --accent: #f97316;
  --accent-2: #fbbf24;
  --accent-soft: #ffedd5;
  --border: #f5e7d3;
  --input-bg: #faf5ef;
  --warn-bg: #fef3c7;
  --warn-text: #92400e;
  --total-text: #ffffff;
  --shadow: 0 6px 20px rgba(249, 115, 22, 0.08);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg1: #1c1917;
    --bg2: #292018;
    --card: #292524;
    --text: #e7e5e4;
    --muted: #a8a29e;
    --accent: #fb923c;
    --accent-2: #fbbf24;
    --accent-soft: #431f0a;
    --border: #3b3835;
    --input-bg: #1f1c1b;
    --warn-bg: #422006;
    --warn-text: #fcd34d;
    --total-text: #fff7ed;
    --shadow: 0 6px 20px rgba(0, 0, 0, 0.35);
  }
}

* { box-sizing: border-box; }

[hidden] { display: none !important; }

body {
  margin: 0;
  font-family: ui-rounded, "Segoe UI", system-ui, -apple-system, Roboto, sans-serif;
  background: linear-gradient(160deg, var(--bg1), var(--bg2));
  min-height: 100vh;
  color: var(--text);
  -webkit-font-smoothing: antialiased;
}

.app {
  max-width: 560px;
  margin: 0 auto;
  padding: 18px 16px calc(36px + env(safe-area-inset-bottom));
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.app-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.app-header h1 {
  font-size: 1.4rem;
  margin: 6px 0 2px;
  font-weight: 800;
  display: flex;
  align-items: center;
  gap: 10px;
}

.icon {
  width: 20px;
  height: 20px;
  color: var(--accent);
  flex-shrink: 0;
}

.icon-lg {
  width: 26px;
  height: 26px;
}

.lang-toggle {
  margin-bottom: 0;
  flex-shrink: 0;
}

.card {
  background: var(--card);
  border: none;
  border-radius: 24px;
  padding: 18px;
  box-shadow: var(--shadow);
}

.card h2 {
  margin: 0 0 14px;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 8px;
}

.card-title {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}

.unit-toggle {
  display: inline-flex;
  background: var(--input-bg);
  border: 2px solid var(--border);
  border-radius: 999px;
  overflow: hidden;
  margin-bottom: 12px;
  padding: 3px;
  gap: 2px;
}

.unit-btn {
  border: none;
  background: transparent;
  color: var(--muted);
  padding: 6px 16px;
  font-size: 0.9rem;
  font-weight: 700;
  font-family: inherit;
  cursor: pointer;
  border-radius: 999px;
  transition: background 0.15s, color 0.15s;
}

.unit-btn.active {
  background: var(--accent);
  color: #fff;
}

.dims-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}

.price-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}

@media (max-width: 420px) {
  .price-grid { grid-template-columns: 1fr 1fr; }
}

.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 0.8rem;
  font-weight: 600;
  line-height: 1.3;
  color: var(--muted);
}

/* Labels wrap to different line counts across languages; pushing the
   control to the bottom of the cell keeps every input on one baseline. */
.field input,
.field select {
  margin-top: auto;
  width: 100%;
  /* Fixed height keeps <select> and <input> the same size — their intrinsic
     heights differ by a pixel otherwise. */
  height: 48px;
  padding: 11px 13px;
  font-size: 1rem;
  font-family: inherit;
  line-height: 1.4;
  color: var(--text);
  background: var(--input-bg);
  border: 2px solid var(--border);
  border-radius: 16px;
  outline: none;
  transition: border-color 0.15s;
}

.field input:focus,
.field select:focus {
  border-color: var(--accent);
}

.hint {
  margin: 10px 0 0;
  font-size: 0.8rem;
  color: var(--muted);
}

.density-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px 10px;
  align-items: stretch;
}

.density-kg {
  grid-column: 1 / -1;
  font-size: 0.9rem;
  color: var(--accent);
  font-weight: 700;
}

.surcharge-note {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--warn-bg);
  color: var(--warn-text);
  border-radius: 16px;
  padding: 10px 14px;
  font-size: 0.85rem;
  margin-bottom: 12px;
}

.badge {
  background: var(--warn-text);
  color: var(--warn-bg);
  font-weight: 800;
  font-size: 0.8rem;
  border-radius: 999px;
  padding: 3px 8px;
  flex-shrink: 0;
}

.breakdown {
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.breakdown > div {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 9px 2px;
  border-bottom: 1px dashed var(--border);
}

.breakdown dt {
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 600;
}

.breakdown dd {
  margin: 0;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

.breakdown .total-row,
.breakdown .uzs-row {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: var(--total-text);
  border-radius: 18px;
  padding: 12px 16px;
  border-bottom: none;
  margin-top: 8px;
}

.breakdown .total-row dt,
.breakdown .uzs-row dt {
  color: var(--total-text);
  opacity: 0.9;
}

.breakdown .total-row dd {
  font-size: 1.25rem;
  font-weight: 800;
}

.breakdown .uzs-row dd {
  font-weight: 800;
}

.placeholder p {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
  text-align: center;
}