/* ============================================
   FORMS.CSS - Form Components
   ============================================ */

/* Form group */
.form-group {
    margin-bottom: var(--spacing-5);
    position: relative;
}

/* Labels */
.form-label {
    display: block;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-gray-300);
    margin-bottom: var(--spacing-2);
}

/* Base input styling */
.form-control {
    display: block;
    width: 100%;
    padding: 0.625rem 1rem;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-normal);
    line-height: var(--line-height-normal);
    color: var(--color-white);
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
    appearance: none;
    -webkit-appearance: none;
}

.form-control::placeholder {
    color: var(--color-gray-500);
}

.form-control:hover {
    border-color: rgba(255, 255, 255, 0.2);
}

.form-control:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(var(--color-primary-rgb), 0.15);
    background: rgba(255, 255, 255, 0.08);
}

/* Floating label */
.form-floating {
    position: relative;
}

.form-floating .form-control {
    padding-top: 1.5rem;
    padding-bottom: 0.375rem;
}

.form-floating .form-label {
    position: absolute;
    top: 0;
    left: 1rem;
    padding-top: 0.75rem;
    font-size: var(--font-size-sm);
    color: var(--color-gray-500);
    pointer-events: none;
    transition: all var(--transition-base);
    margin-bottom: 0;
}

.form-floating .form-control:focus~.form-label,
.form-floating .form-control:not(:placeholder-shown)~.form-label {
    font-size: var(--font-size-xs);
    padding-top: 0.375rem;
    color: var(--color-primary);
}

/* Select */
.form-select {
    display: block;
    width: 100%;
    padding: 0.625rem 2.5rem 0.625rem 1rem;
    font-size: var(--font-size-sm);
    color: var(--color-white);
    background: rgba(255, 255, 255, 0.06) url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='%239CA3AF' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='m2 5 6 6 6-6'/%3e%3c/svg%3e") no-repeat right 0.75rem center/12px 12px;
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
    appearance: none;
    -webkit-appearance: none;
}

.form-select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(var(--color-primary-rgb), 0.15);
}

.form-select option {
    background: var(--color-gray-800);
    color: var(--color-white);
}

/* Textarea */
textarea.form-control {
    min-height: 100px;
    resize: vertical;
}

/* Sizes */
.form-control-sm {
    padding: 0.375rem 0.75rem;
    font-size: var(--font-size-xs);
    border-radius: var(--radius-md);
}

.form-control-lg {
    padding: 0.875rem 1.25rem;
    font-size: var(--font-size-base);
    border-radius: var(--radius-xl);
}

/* Checkbox & Radio */
.form-check {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    margin-bottom: var(--spacing-2);
    cursor: pointer;
}

.form-check-input {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.2);
    cursor: pointer;
    transition: all var(--transition-fast);
    appearance: none;
    -webkit-appearance: none;
}

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

.form-check-input[type="radio"] {
    border-radius: 50%;
}

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

.form-check-input[type="checkbox"]:checked {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3e%3cpath fill='none' stroke='%23fff' stroke-linecap='round' stroke-linejoin='round' stroke-width='3' d='m6 10 3 3 6-6'/%3e%3c/svg%3e");
    background-size: 14px;
    background-position: center;
    background-repeat: no-repeat;
}

.form-check-input[type="radio"]:checked {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='-4 -4 8 8'%3e%3ccircle r='2' fill='%23fff'/%3e%3c/svg%3e");
    background-size: 14px;
    background-position: center;
    background-repeat: no-repeat;
}

.form-check-input:focus {
    box-shadow: 0 0 0 3px rgba(var(--color-primary-rgb), 0.15);
}

.form-check-label {
    font-size: var(--font-size-sm);
    color: var(--color-gray-300);
    cursor: pointer;
}

/* Toggle Switch */
.form-switch {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    cursor: pointer;
}

.form-switch-input {
    width: 44px;
    height: 24px;
    background: rgba(255, 255, 255, 0.15);
    border-radius: var(--radius-full);
    position: relative;
    cursor: pointer;
    border: none;
    appearance: none;
    -webkit-appearance: none;
    transition: background var(--transition-base);
}

.form-switch-input::after {
    content: '';
    position: absolute;
    top: 3px;
    left: 3px;
    width: 18px;
    height: 18px;
    background: var(--color-white);
    border-radius: 50%;
    transition: transform var(--transition-spring);
    box-shadow: var(--shadow-sm);
}

.form-switch-input:checked {
    background: var(--color-primary);
}

.form-switch-input:checked::after {
    transform: translateX(20px);
}

.form-switch-label {
    font-size: var(--font-size-sm);
    color: var(--color-gray-300);
}

/* Range slider */
.form-range {
    width: 100%;
    height: 6px;
    background: rgba(255, 255, 255, 0.12);
    border-radius: var(--radius-full);
    appearance: none;
    -webkit-appearance: none;
    outline: none;
}

.form-range::-webkit-slider-thumb {
    width: 20px;
    height: 20px;
    background: var(--color-primary);
    border-radius: 50%;
    cursor: pointer;
    appearance: none;
    -webkit-appearance: none;
    box-shadow: var(--shadow-glow-primary);
    transition: transform var(--transition-fast);
}

.form-range::-webkit-slider-thumb:hover {
    transform: scale(1.2);
}

/* Validation states */
.form-control.is-valid {
    border-color: var(--color-success);
}

.form-control.is-valid:focus {
    box-shadow: 0 0 0 3px rgba(var(--color-success-rgb), 0.15);
}

.form-control.is-invalid {
    border-color: var(--color-danger);
}

.form-control.is-invalid:focus {
    box-shadow: 0 0 0 3px rgba(var(--color-danger-rgb), 0.15);
}

.valid-feedback {
    font-size: var(--font-size-xs);
    color: var(--color-success);
    margin-top: var(--spacing-1);
}

.invalid-feedback {
    font-size: var(--font-size-xs);
    color: var(--color-danger);
    margin-top: var(--spacing-1);
}

/* Input group */
.input-group {
    display: flex;
    align-items: stretch;
}

.input-group .form-control {
    border-radius: 0;
    flex: 1;
}

.input-group .form-control:first-child {
    border-radius: var(--radius-lg) 0 0 var(--radius-lg);
}

.input-group .form-control:last-child {
    border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
}

.input-group-text {
    display: flex;
    align-items: center;
    padding: 0 1rem;
    font-size: var(--font-size-sm);
    color: var(--color-gray-400);
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.12);
}

.input-group-text:first-child {
    border-radius: var(--radius-lg) 0 0 var(--radius-lg);
    border-right: none;
}

.input-group-text:last-child {
    border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
    border-left: none;
}

.input-group .btn {
    border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
}

/* Form text / help */
.form-text {
    font-size: var(--font-size-xs);
    color: var(--color-gray-500);
    margin-top: var(--spacing-1);
}