/* ═══ Converter Template Styles ═══ */
/* Mobile-first design for unit conversion calculators */

/* Converter form layout */
.converter-form {
  display: flex;
  flex-direction: column;
  gap: 0;
  position: relative;
}

.converter-field {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.converter-field label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--gray-500, #6b7280);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.converter-field input {
  font-size: 1.25rem;
  padding: 0.75rem 1rem;
  border: 2px solid var(--border, #e2e8f0);
  border-radius: 0.75rem;
  background: var(--bg-card, #fff);
  color: var(--text, #1e293b);
  transition: border-color 0.2s, box-shadow 0.2s;
  width: 100%;
  box-sizing: border-box;
}

.converter-field input:focus {
  border-color: var(--primary, #2563eb);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
  outline: none;
}

/* Swap button */
.converter-swap-wrap {
  display: flex;
  justify-content: center;
  align-items: center;
  margin: -0.5rem 0;
  z-index: 2;
  position: relative;
}

.converter-swap-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 2px solid var(--border, #e2e8f0);
  background: var(--bg-card, #fff);
  color: var(--primary, #2563eb);
  font-size: 1.25rem;
  cursor: pointer;
  transition: all 0.2s;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  -webkit-tap-highlight-color: transparent;
}

.converter-swap-btn:hover {
  background: var(--primary, #2563eb);
  color: #fff;
  border-color: var(--primary, #2563eb);
  transform: rotate(180deg);
}

.converter-swap-btn:active {
  transform: rotate(180deg) scale(0.95);
}

/* Prominent result */
.converter-result {
  margin-top: 1rem;
  padding: 1.25rem;
  background: linear-gradient(135deg, var(--primary, #2563eb) 0%, #1d4ed8 100%);
  border-radius: 1rem;
  text-align: center;
  position: relative;
  min-height: 3rem;
}

.converter-result-value {
  font-size: 2rem;
  font-weight: 800;
  color: #fff;
  line-height: 1.2;
  word-break: break-word;
}

.converter-result-label {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.8);
  margin-top: 0.25rem;
}

.converter-result-formula {
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.65);
  margin-top: 0.5rem;
  font-style: italic;
}

/* Copy button */
.converter-copy-btn {
  position: absolute;
  top: 0.75rem;
  right: 0.75rem;
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.25);
  color: #fff;
  border-radius: 0.5rem;
  padding: 0.35rem 0.65rem;
  font-size: 0.75rem;
  cursor: pointer;
  transition: all 0.2s;
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.converter-copy-btn:hover {
  background: rgba(255, 255, 255, 0.25);
}

.converter-copy-btn.copied {
  background: rgba(16, 185, 129, 0.3);
  border-color: rgba(16, 185, 129, 0.5);
}

/* Reference table */
.converter-ref-table {
  margin-top: 1.5rem;
  border-radius: 0.75rem;
  overflow: hidden;
  border: 1px solid var(--border, #e2e8f0);
}

.converter-ref-table summary {
  padding: 0.75rem 1rem;
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  background: var(--bg-card, #fff);
  color: var(--text, #1e293b);
  list-style: none;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.converter-ref-table summary::-webkit-details-marker {
  display: none;
}

.converter-ref-table summary::after {
  content: '▸';
  margin-left: auto;
  transition: transform 0.2s;
}

.converter-ref-table[open] summary::after {
  transform: rotate(90deg);
}

.converter-ref-table table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

.converter-ref-table th {
  background: var(--bg-card, #f8fafc);
  padding: 0.5rem 0.75rem;
  text-align: left;
  font-weight: 600;
  color: var(--gray-500, #6b7280);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-bottom: 1px solid var(--border, #e2e8f0);
}

.converter-ref-table td {
  padding: 0.5rem 0.75rem;
  border-bottom: 1px solid var(--border, #e2e8f0);
  color: var(--text, #1e293b);
}

.converter-ref-table tr:last-child td {
  border-bottom: none;
}

.converter-ref-table tr:nth-child(even) td {
  background: rgba(0, 0, 0, 0.02);
}

/* Hide default calculator button for converter pages */
.converter-active #calcBtn {
  display: none;
}

/* Hide default #result for converter pages — we use .converter-result instead */
.converter-active #result {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Responsive: larger screens get horizontal layout */
@media (min-width: 640px) {
  .converter-form {
    flex-direction: row;
    align-items: flex-end;
    gap: 0.5rem;
  }
  
  .converter-field {
    flex: 1;
  }
  
  .converter-swap-wrap {
    margin: 0;
    padding-bottom: 0.15rem;
    align-self: flex-end;
  }
  
  .converter-result-value {
    font-size: 2.5rem;
  }
}

/* Dark mode adjustments */
[data-theme="dark"] .converter-field input {
  background: var(--bg-card, #1e293b);
  border-color: var(--border, #334155);
}

[data-theme="dark"] .converter-swap-btn {
  background: var(--bg-card, #1e293b);
  border-color: var(--border, #334155);
}

[data-theme="dark"] .converter-ref-table summary {
  background: var(--bg-card, #1e293b);
}

[data-theme="dark"] .converter-ref-table th {
  background: rgba(255, 255, 255, 0.05);
}

[data-theme="dark"] .converter-ref-table tr:nth-child(even) td {
  background: rgba(255, 255, 255, 0.03);
}