/* Shared Converter Styles */

.converter-card {
  padding: 28px;
  background: var(--color-bg);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.converter-card:hover {
  border-color: var(--color-border);
}

.converter-direction {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}

.converter-direction .dir-label {
  font-size: 0.82rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
}

.converter-direction .dir-arrow {
  color: var(--color-text-muted);
  font-weight: 700;
  font-size: 1rem;
}

.converter-direction select {
  padding: 9px 12px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 0.9rem;
  color: var(--color-text);
  background: var(--color-surface);
  min-width: 180px;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  outline: none;
}

.converter-direction select:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-light);
}

.converter-input-group {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.converter-field {
  flex: 1;
  min-width: 180px;
}

.converter-field label {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
  margin-bottom: 6px;
}

.converter-field input[type="text"],
.converter-field input[type="number"] {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 1.15rem;
  color: var(--color-text);
  background: var(--color-surface);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  outline: none;
  -moz-appearance: textfield;
}

.converter-field input[type="number"]::-webkit-inner-spin-button,
.converter-field input[type="number"]::-webkit-outer-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

.converter-field input[type="text"]:focus,
.converter-field input[type="number"]:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-light);
}

.converter-field input[type="text"]::placeholder,
.converter-field input[type="number"]::placeholder {
  color: var(--color-text-muted);
}

.input-hint {
  margin-top: 6px;
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

.swap-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border: 1px solid var(--color-border);
  border-radius: 50%;
  background: var(--color-surface);
  cursor: pointer;
  transition: background var(--transition-fast), border-color var(--transition-fast), transform 0.2s ease;
  flex-shrink: 0;
  margin-top: 18px;
  font-size: 1.2rem;
  color: var(--color-text-secondary);
}

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

.converter-result-area {
  margin-top: 20px;
  padding: 16px 20px;
  background: var(--color-surface);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-sm);
}

.primary-result {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.result-label {
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
  white-space: nowrap;
}

.result-value {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--color-primary);
  font-family: var(--font-mono);
}

.formula-display {
  margin-top: 10px;
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  font-family: var(--font-mono);
  padding: 8px 12px;
  background: var(--color-bg);
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border-light);
}

.additional-units {
  margin-top: 12px;
}

.converter-actions {
  display: flex;
  gap: 10px;
  margin-top: 16px;
  flex-wrap: wrap;
}

.btn-action {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 18px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  color: var(--color-text-secondary);
  font-size: 0.85rem;
  font-weight: 600;
  font-family: var(--font-body);
  cursor: pointer;
  transition: background var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast);
}

.btn-action:hover {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
}

.btn-action.copied {
  background: var(--color-success);
  border-color: var(--color-success);
  color: #fff;
}

.ref-table-wrapper {
  margin-top: 24px;
  padding: 24px;
  background: var(--color-bg);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
}

.ref-table-wrapper h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 16px;
}

.ref-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.ref-table th {
  text-align: left;
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
  padding: 10px 14px;
  border-bottom: 2px solid var(--color-border-light);
}

.ref-table td {
  padding: 9px 14px;
  border-bottom: 1px solid var(--color-border-light);
  color: var(--color-text);
}

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

.ref-table tr:hover td {
  background: var(--color-surface);
}

.ref-table td:first-child {
  font-weight: 600;
}

.ref-table td:nth-child(2) {
  font-family: var(--font-mono);
  color: var(--color-primary);
  font-weight: 700;
}

@media (max-width: 600px) {
  .converter-direction {
    flex-direction: column;
    align-items: stretch;
  }

  .converter-direction select {
    min-width: 100%;
  }

  .converter-direction .dir-arrow {
    align-self: center;
  }

  .converter-input-group {
    flex-direction: column;
    align-items: stretch;
  }

  .converter-field {
    min-width: unset;
  }

  .swap-btn {
    margin-top: 0;
    align-self: center;
  }

  .ref-table-wrapper {
    overflow-x: auto;
  }
}

@media print {
  .no-print,
  .ad-zone,
  .converter-actions,
  .swap-btn,
  #site-header,
  #site-footer {
    display: none !important;
  }

  .converter-card,
  .ref-table-wrapper {
    border: 1px solid #ccc;
    box-shadow: none;
  }
}