/* Nepali & metric unit converter */
.uc-page .main { padding-top: var(--nav-h); min-height: 100vh; }

.uc-hero {
  padding: 26px 28px;
  margin-bottom: 20px;
  background: linear-gradient(135deg, #0c1929 0%, #1e3a5f 50%, #1d4ed8 100%);
  border-radius: 18px;
  color: #f8fafc;
  box-shadow: 0 16px 40px rgba(15, 23, 42, 0.2);
}
.uc-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 99px;
  padding: 4px 12px;
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 12px;
}
.uc-title {
  font-size: clamp(1.35rem, 3vw, 2rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin-bottom: 8px;
}
.uc-sub {
  font-size: 13px;
  line-height: 1.65;
  color: rgba(248, 250, 252, 0.82);
  max-width: 560px;
}

.uc-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 20px;
  margin-bottom: 16px;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.05);
}

.uc-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 18px;
}
.uc-tab {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 8px 12px;
  border-radius: 10px;
  border: 1.5px solid var(--border);
  background: var(--bg-secondary);
  font-size: 11.5px;
  font-weight: 600;
  color: var(--text-secondary);
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s, color 0.15s;
}
.uc-tab .icon { font-size: 16px; }
.uc-tab:hover { border-color: var(--brand); color: var(--brand); }
.uc-tab.active {
  border-color: var(--brand);
  background: var(--brand-lt);
  color: var(--brand);
}

.uc-converter-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}
@media (min-width: 720px) {
  .uc-converter-grid {
    grid-template-columns: 1fr auto 1fr;
    align-items: end;
  }
}

.uc-field label {
  display: block;
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  margin-bottom: 6px;
}
.uc-input-row {
  display: flex;
  gap: 8px;
}
.uc-input-row input,
.uc-input-row select {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
  background: var(--bg-secondary);
  border: 1.5px solid var(--border);
  border-radius: 10px;
  padding: 12px 14px;
  outline: none;
  transition: border-color 0.15s;
}
.uc-input-row input { flex: 1; min-width: 0; }
.uc-input-row select { flex: 1.2; min-width: 0; cursor: pointer; }
.uc-input-row input:focus,
.uc-input-row select:focus { border-color: var(--brand); }

.uc-swap-wrap {
  display: flex;
  justify-content: center;
  padding: 4px 0;
}
@media (min-width: 720px) {
  .uc-swap-wrap { padding-bottom: 12px; }
}
.uc-swap {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  border: 1.5px solid var(--border);
  background: var(--card);
  color: var(--brand);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.15s, transform 0.15s;
}
.uc-swap:hover { background: var(--brand-lt); transform: rotate(180deg); }
.uc-swap .icon { font-size: 22px; }

.uc-result-box {
  text-align: center;
  padding: 20px 16px;
  background: var(--brand-lt);
  border: 1px solid var(--brand-border);
  border-radius: 14px;
  margin-top: 18px;
}
.uc-result-label {
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--brand);
  margin-bottom: 6px;
}
.uc-result-val {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.03em;
  line-height: 1.1;
}
.uc-result-unit {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
  margin-top: 6px;
}
.uc-formula {
  font-size: 12px;
  color: var(--text-secondary);
  margin-top: 12px;
  line-height: 1.5;
}
.uc-note {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 12px;
  line-height: 1.55;
  padding: 10px 12px;
  background: var(--bg-secondary);
  border-radius: 8px;
}

.uc-presets-label {
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  margin-bottom: 10px;
}
.uc-presets {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.uc-preset {
  padding: 7px 12px;
  border-radius: 99px;
  border: 1px solid var(--border);
  background: var(--bg-secondary);
  font-size: 11px;
  font-weight: 600;
  color: var(--text-secondary);
  cursor: pointer;
  transition: border-color 0.15s, color 0.15s;
}
.uc-preset:hover { border-color: var(--brand); color: var(--brand); }

.uc-section-title {
  font-size: 10.5px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.uc-table-wrap { overflow-x: auto; }
.uc-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}
.uc-table th,
.uc-table td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
  text-align: left;
}
.uc-table th {
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  background: var(--bg-secondary);
}
.uc-table tr:hover td { background: var(--bg-secondary); }
.uc-table td:last-child {
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  text-align: right;
}

.uc-ref-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}
@media (min-width: 640px) {
  .uc-ref-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 960px) {
  .uc-ref-grid { grid-template-columns: repeat(3, 1fr); }
}
.uc-ref-block {
  padding: 14px 16px;
  background: var(--bg-secondary);
  border-radius: 12px;
  border: 1px solid var(--border);
}
.uc-ref-block h3 {
  font-size: 13px;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0 0 8px;
}
.uc-ref-block ul {
  margin: 0;
  padding-left: 18px;
  font-size: 12px;
  line-height: 1.65;
  color: var(--text-secondary);
}
.uc-ref-block li { margin-bottom: 4px; }

.uc-disclaimer {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  padding: 14px 16px;
  background: rgba(255, 149, 0, 0.08);
  border: 1px solid rgba(255, 149, 0, 0.28);
  border-radius: 12px;
  font-size: 12px;
  line-height: 1.6;
  color: var(--text-secondary);
  margin-top: 16px;
}
.uc-disclaimer .icon { color: #f59e0b; flex-shrink: 0; }