/**
 * Shared form components and the file upload zone.
 *
 * Part of the vendor.css set - enqueued in order.
 * Order matters: later parts override earlier ones.
 */

/* ============================================
   FORM COMPONENTS
   ============================================ */

.form-fieldset {
    border: none;
    padding: 0;
    margin: 0 0 var(--space-6) 0;
}

.form-legend {
    font-family: var(--font-heading);
    font-size: var(--text-lg);
    font-weight: var(--font-semibold);
    color: var(--color-secondary);
    padding-bottom: var(--space-3);
    margin-bottom: var(--space-4);
    border-bottom: 2px solid var(--border-color);
    width: 100%;
}

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

.form-label {
    display: block;
    font-size: var(--text-sm);
    font-weight: var(--font-semibold);
    color: var(--color-secondary);
    margin-bottom: var(--space-1);
}

.form-label .required {
    color: var(--color-danger);
}

.form-control,
.form-select {
    width: 100%;
    padding: var(--space-3) var(--space-4);
    font-family: var(--font-primary);
    font-size: var(--text-base);
    color: var(--color-secondary);
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
    box-sizing: border-box;
}

.form-control:focus,
.form-select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(1, 94, 124, 0.12);
}

.form-control.error,
.form-select.error {
    border-color: var(--color-danger);
}

.form-control.error:focus,
.form-select.error:focus {
    box-shadow: 0 0 0 3px rgba(220, 53, 69, 0.12);
}

.form-textarea {
    resize: vertical;
    min-height: 100px;
}

.form-hint {
    display: block;
    font-size: var(--text-xs);
    color: var(--color-gray-500);
    margin-top: var(--space-1);
}

.form-row {
    display: grid;
    gap: var(--space-4);
}

.form-row-2 {
    grid-template-columns: 1fr 1fr;
}

.form-row-3 {
    grid-template-columns: 1fr 1fr 1fr;
}

.form-actions {
    margin-top: var(--space-6);
    padding-top: var(--space-6);
    border-top: 1px solid var(--border-color);
}

.error-message {
    display: block;
    font-size: var(--text-xs);
    color: var(--color-danger);
    margin-top: var(--space-1);
}

/* Form Message */
.form-message {
    margin-top: var(--space-4);
    padding: var(--space-4);
    border-radius: var(--border-radius-md);
    font-size: var(--text-base);
}

.form-message.success {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.form-message.error {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

/* ============================================
   FILE UPLOAD ZONE
   ============================================ */

.upload-zone {
    position: relative;
    border: 2px dashed var(--border-color);
    border-radius: var(--border-radius-md);
    padding: var(--space-6);
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-fast);
    background: var(--bg-secondary);
}

.upload-zone:hover,
.upload-zone.dragover {
    border-color: var(--color-primary);
    background: rgba(0, 153, 204, 0.04);
}

.upload-input {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    cursor: pointer;
    z-index: 2;
}

.upload-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-2);
    color: var(--color-gray-500);
}

.upload-content i {
    font-size: 32px;
    color: var(--color-primary);
}

.upload-text {
    font-size: var(--text-sm);
}

.upload-hint {
    font-size: var(--text-xs);
    color: var(--color-gray-400);
}

.upload-zone.has-files .upload-content {
    display: none;
}

.upload-zone.has-files {
    padding: var(--space-3);
}

.upload-preview {
    position: relative;
    z-index: 1;
}

.upload-preview-grid {
    display: flex;
    gap: var(--space-2);
    flex-wrap: wrap;
}

.upload-preview-item {
    position: relative;
    width: 80px;
    height: 80px;
    border-radius: var(--border-radius-md);
    overflow: hidden;
    border: 1px solid var(--border-color);
}

.upload-preview-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.upload-preview-file {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-3);
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    font-size: var(--text-sm);
    color: var(--color-secondary);
}

.upload-preview-file i {
    font-size: 18px;
    color: var(--color-primary);
}