/**
 * Form Components
 *
 * Input, select, checkbox, radio, and switch styles.
 */

/* ==========================================================================
   Form Group
   ========================================================================== */

.form-group {
  margin-bottom: var(--space-4);
}

.form-label {
  display: block;
  margin-bottom: var(--space-2);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--color-text-primary);
}

.form-hint {
  margin-top: var(--space-1);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

/* ==========================================================================
   Text Input
   ========================================================================== */

.input {
  display: block;
  width: 100%;
  padding: var(--space-2) var(--space-3);
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  color: var(--color-text-primary);
  background-color: var(--color-bg-input);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.input::placeholder {
  color: var(--color-text-muted);
}

.input:hover {
  border-color: var(--color-border-focus);
}

.input:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-accent-subtle);
}

.input:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Input with error */
.input.input-error {
  border-color: var(--color-error);
}

.input.input-error:focus {
  box-shadow: 0 0 0 3px var(--color-error-subtle);
}

/* ==========================================================================
   Select
   ========================================================================== */

.select {
  appearance: none;
  padding-right: var(--space-8);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' fill='%23666666'%3E%3Cpath d='M5.23 7.21a.75.75 0 011.06.02L10 11.168l3.71-3.938a.75.75 0 111.08 1.04l-4.25 4.5a.75.75 0 01-1.08 0l-4.25-4.5a.75.75 0 01.02-1.06z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--space-3) center;
  background-size: 1rem;
}

.theme-dark .select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' fill='%23999999'%3E%3Cpath d='M5.23 7.21a.75.75 0 011.06.02L10 11.168l3.71-3.938a.75.75 0 111.08 1.04l-4.25 4.5a.75.75 0 01-1.08 0l-4.25-4.5a.75.75 0 01.02-1.06z'/%3E%3C/svg%3E");
}

/* Select size variants */
.select-sm {
  padding: var(--space-1) var(--space-6) var(--space-1) var(--space-2);
  font-size: var(--text-sm);
}

.select-lg {
  padding: var(--space-3) var(--space-10) var(--space-3) var(--space-4);
  font-size: var(--text-lg);
  font-weight: var(--font-medium);
}

/* ==========================================================================
   Checkbox & Radio
   ========================================================================== */

.checkbox,
.radio {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  cursor: pointer;
}

.checkbox input,
.radio input {
  width: 1rem;
  height: 1rem;
  margin: 0;
  accent-color: var(--color-accent);
}

/* ==========================================================================
   Switch / Toggle
   ========================================================================== */

.switch {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  cursor: pointer;
}

.switch-input {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.switch-slider {
  position: relative;
  width: 2.5rem;
  height: 1.5rem;
  background-color: var(--color-border);
  border-radius: var(--radius-full);
  transition: background-color var(--transition-fast);
}

.switch-slider::before {
  content: '';
  position: absolute;
  top: 2px;
  left: 2px;
  width: calc(1.5rem - 4px);
  height: calc(1.5rem - 4px);
  background-color: #ffffff;
  border-radius: var(--radius-full);
  transition: transform var(--transition-fast);
}

.switch-input:checked + .switch-slider {
  background-color: var(--color-accent);
}

.switch-input:checked + .switch-slider::before {
  transform: translateX(1rem);
}

.switch-input:focus-visible + .switch-slider {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}