/* ==========================================================================
   Forms - Input elements and form controls
   ========================================================================== */

/* Form Group */
.form-group {
  margin-bottom: var(--space-5);
}

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

.form-label-optional {
  font-weight: var(--font-weight-regular);
  color: var(--color-text-secondary);
}

/* Text Input */
.form-input {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  font-size: var(--font-size-base);
  color: var(--color-text-primary);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input:hover {
  border-color: var(--color-text-tertiary);
}

.form-input:focus {
  border-color: var(--color-blue);
  box-shadow: 0 0 0 3px rgba(0, 122, 255, 0.15);
}

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

.form-input:disabled {
  background: var(--color-background);
  color: var(--color-text-tertiary);
  cursor: not-allowed;
}

/* Input Sizes */
.form-input-sm {
  padding: var(--space-2) var(--space-3);
  font-size: var(--font-size-sm);
}

.form-input-lg {
  padding: var(--space-4) var(--space-5);
  font-size: var(--font-size-lg);
}

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

.form-input-error:focus {
  box-shadow: 0 0 0 3px rgba(255, 59, 48, 0.15);
}

.form-input-success {
  border-color: var(--color-green);
}

/* Select */
.form-select {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  padding-right: var(--space-10);
  font-size: var(--font-size-base);
  color: var(--color-text-primary);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2386868B' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  cursor: pointer;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-select:hover {
  border-color: var(--color-text-tertiary);
}

.form-select:focus {
  border-color: var(--color-blue);
  box-shadow: 0 0 0 3px rgba(0, 122, 255, 0.15);
}

/* Checkbox & Radio */
.form-check {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
}

.form-check-input {
  width: 18px;
  height: 18px;
  margin-top: 2px;
  appearance: none;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  cursor: pointer;
  transition: all var(--transition-fast);
  flex-shrink: 0;
}

.form-check-input[type="checkbox"] {
  border-radius: var(--radius-sm);
}

.form-check-input[type="radio"] {
  border-radius: var(--radius-full);
}

.form-check-input:hover {
  border-color: var(--color-blue);
}

.form-check-input:checked {
  background: var(--color-blue);
  border-color: var(--color-blue);
}

.form-check-input[type="checkbox"]:checked {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: center;
}

.form-check-input[type="radio"]:checked {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='8' height='8' viewBox='0 0 8 8'%3E%3Ccircle cx='4' cy='4' r='4' fill='white'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: center;
}

.form-check-label {
  font-size: var(--font-size-sm);
  color: var(--color-text-primary);
  cursor: pointer;
}

/* Toggle Switch */
.form-toggle {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.form-toggle-input {
  position: relative;
  width: 44px;
  height: 24px;
  appearance: none;
  background: var(--color-border);
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: background var(--transition-fast);
}

.form-toggle-input::before {
  content: '';
  position: absolute;
  top: 2px;
  left: 2px;
  width: 20px;
  height: 20px;
  background: white;
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-fast);
}

.form-toggle-input:checked {
  background: var(--color-green);
}

.form-toggle-input:checked::before {
  transform: translateX(20px);
}

.form-toggle-label {
  font-size: var(--font-size-sm);
  color: var(--color-text-primary);
}

/* Form Help Text */
.form-help {
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
  margin-top: var(--space-2);
}

.form-error {
  font-size: var(--font-size-xs);
  color: var(--color-red);
  margin-top: var(--space-2);
}

/* Search Input */
.search-input-wrapper {
  position: relative;
}

.search-input {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  padding-left: var(--space-10);
  font-size: var(--font-size-sm);
  color: var(--color-text-primary);
  background: var(--color-background);
  border: 1px solid transparent;
  border-radius: var(--radius-lg);
  transition: all var(--transition-fast);
}

.search-input:hover {
  background: var(--color-surface);
  border-color: var(--color-border);
}

.search-input:focus {
  background: var(--color-surface);
  border-color: var(--color-blue);
  box-shadow: 0 0 0 3px rgba(0, 122, 255, 0.15);
}

.search-input-icon {
  position: absolute;
  left: var(--space-4);
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-text-tertiary);
  pointer-events: none;
}

.search-input-icon svg {
  width: 16px;
  height: 16px;
}

/* Input with Icon */
.input-with-icon {
  position: relative;
}

.input-icon {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-text-tertiary);
  pointer-events: none;
}

.input-icon-left {
  left: var(--space-4);
}

.input-icon-right {
  right: var(--space-4);
}

.input-with-icon-left .form-input {
  padding-left: var(--space-10);
}

.input-with-icon-right .form-input {
  padding-right: var(--space-10);
}

/* Date Input */
.date-input {
  position: relative;
}

.date-input input[type="date"] {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  font-size: var(--font-size-sm);
  color: var(--color-text-primary);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.date-input input[type="date"]::-webkit-calendar-picker-indicator {
  cursor: pointer;
  opacity: 0.6;
}

.date-input input[type="date"]::-webkit-calendar-picker-indicator:hover {
  opacity: 1;
}