/* =====================================================
   Form Styles - Clean Monochrome Inputs
   ===================================================== */

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

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-5);
}

/* Labels */
.form-label {
    display: block;
    margin-bottom: var(--space-2);
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.875rem;
    letter-spacing: -0.01em;
}

.form-label-required::after {
    content: '*';
    color: var(--danger);
    margin-right: var(--space-1);
}

/* Text Inputs */
.form-control {
    width: 100%;
    padding: var(--space-3) var(--space-4);
    font-family: inherit;
    font-size: 0.9375rem;
    line-height: 1.5;
    color: var(--text-primary);
    background: var(--surface-card);
    border: 1.5px solid var(--surface-border);
    border-radius: var(--radius-lg);
    transition: all var(--transition-fast);
}

.form-control:focus {
    outline: none;
    border-color: var(--gray-900);
    box-shadow: 0 0 0 3px rgba(0, 0, 0, 0.08);
}

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

.form-control:disabled {
    background: var(--gray-100);
    color: var(--text-tertiary);
    cursor: not-allowed;
    opacity: 0.7;
}

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

.form-control.is-invalid:focus {
    box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.1);
}

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

.form-control.is-valid:focus {
    box-shadow: 0 0 0 3px rgba(22, 163, 74, 0.1);
}

.invalid-feedback {
    display: block;
    margin-top: var(--space-2);
    font-size: 0.8125rem;
    color: var(--danger);
    font-weight: 500;
}

.valid-feedback {
    display: block;
    margin-top: var(--space-2);
    font-size: 0.8125rem;
    color: var(--success);
    font-weight: 500;
}

/* Select */
.form-select {
    width: 100%;
    padding: var(--space-3) var(--space-4);
    font-family: inherit;
    font-size: 0.9375rem;
    line-height: 1.5;
    color: var(--text-primary);
    background: var(--surface-card) url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='%23737373' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M2 5l6 6 6-6'/%3e%3c/svg%3e") no-repeat left 0.75rem center / 16px 12px;
    border: 1.5px solid var(--surface-border);
    border-radius: var(--radius-lg);
    appearance: none;
    cursor: pointer;
    transition: all var(--transition-fast);
}

[dir="ltr"] .form-select {
    background-position: right 0.75rem center;
}

.form-select:focus {
    outline: none;
    border-color: var(--gray-900);
    box-shadow: 0 0 0 3px rgba(0, 0, 0, 0.08);
}

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

.form-check-input {
    width: 20px;
    height: 20px;
    background: var(--surface-card);
    border: 2px solid var(--gray-300);
    cursor: pointer;
    transition: all var(--transition-fast);
    accent-color: var(--gray-900);
}

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

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

.form-check-input:checked {
    background: var(--gray-900);
    border-color: var(--gray-900);
}

.form-check-input:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(0, 0, 0, 0.08);
}

.form-check-label {
    color: var(--text-secondary);
    font-size: 0.9375rem;
    cursor: pointer;
}

/* Textarea */
textarea.form-control {
    min-height: 120px;
    resize: vertical;
}

/* File Input */
.form-file {
    position: relative;
}

.form-file-input {
    position: absolute;
    width: 100%;
    height: 100%;
    opacity: 0;
    cursor: pointer;
}

.form-file-label {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-3);
    padding: var(--space-8);
    background: var(--gray-50);
    border: 2px dashed var(--gray-300);
    border-radius: var(--radius-xl);
    color: var(--text-tertiary);
    text-align: center;
    transition: all var(--transition-fast);
}

.form-file-label:hover {
    border-color: var(--gray-900);
    color: var(--text-primary);
    background: var(--gray-100);
}

.form-file-icon {
    font-size: 2rem;
}

/* Input Group */
.input-group {
    display: flex;
}

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

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

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

.input-group-text {
    display: flex;
    align-items: center;
    padding: var(--space-3) var(--space-4);
    background: var(--gray-100);
    border: 1.5px solid var(--surface-border);
    color: var(--text-tertiary);
    font-size: 0.875rem;
}

/* Form Actions */
.form-actions {
    display: flex;
    gap: var(--space-4);
    margin-top: var(--space-8);
    padding-top: var(--space-6);
    border-top: 1px solid var(--surface-border);
}