/* ============================================
   OnshoreHSE Form Styles
   Inputs, Selects, Checkboxes, Validation
   ============================================ */

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

.form-group label {
    display: block;
    font-size: var(--text-sm);
    font-weight: var(--weight-semibold);
    color: var(--gray-700);
    margin-bottom: var(--space-2);
}

.form-group label .required {
    color: var(--color-danger);
    margin-left: 2px;
}

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

/* --- Input --- */
.form-input {
    width: 100%;
    padding: var(--space-2) var(--space-3);
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-md);
    font-family: var(--font-sans);
    font-size: var(--text-sm);
    color: var(--text-primary);
    background: #fff;
    transition: all var(--transition-base);
    outline: none;
    line-height: 1.5;
}

.form-input::placeholder {
    color: var(--gray-400);
}

.form-input:focus {
    border-color: var(--emerald-400);
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.12);
}

.form-input:disabled {
    background: var(--gray-50);
    color: var(--gray-400);
    cursor: not-allowed;
}

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

/* --- Select --- */
.form-select {
    width: 100%;
    padding: var(--space-2) var(--space-3);
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-md);
    font-family: var(--font-sans);
    font-size: var(--text-sm);
    color: var(--text-primary);
    background: #fff;
    cursor: pointer;
    transition: all var(--transition-base);
    outline: none;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%236b7280' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10l-5 5z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 36px;
}

.form-select:focus {
    border-color: var(--emerald-400);
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.12);
}

/* --- Checkbox & Radio --- */
.form-check {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    cursor: pointer;
    font-size: var(--text-sm);
    color: var(--text-primary);
    user-select: none;
}

.form-check input[type="checkbox"],
.form-check input[type="radio"] {
    width: 18px;
    height: 18px;
    accent-color: var(--emerald-600);
    cursor: pointer;
    flex-shrink: 0;
}

/* --- Toggle Switch --- */
.toggle-switch {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    cursor: pointer;
    user-select: none;
}

.toggle-switch input {
    display: none;
}

.toggle-switch .toggle-slider {
    position: relative;
    width: 40px;
    height: 22px;
    background: var(--gray-300);
    border-radius: 11px;
    transition: background var(--transition-base);
}

.toggle-switch .toggle-slider::after {
    content: '';
    position: absolute;
    top: 3px;
    left: 3px;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: #fff;
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-base);
}

.toggle-switch input:checked + .toggle-slider {
    background: var(--emerald-500);
}

.toggle-switch input:checked + .toggle-slider::after {
    transform: translateX(18px);
}

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

/* --- Validation States --- */
.form-group.error .form-input,
.form-group.error .form-select {
    border-color: var(--color-danger);
    box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.1);
}

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

.form-group.success .form-input,
.form-group.success .form-select {
    border-color: var(--color-success);
    box-shadow: 0 0 0 3px rgba(5, 150, 105, 0.1);
}

.form-error {
    display: none;
}

/* --- File Upload --- */
.file-upload {
    border: 2px dashed var(--gray-300);
    border-radius: var(--radius-lg);
    padding: var(--space-8) var(--space-6);
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-base);
    background: var(--gray-50);
}

.file-upload:hover {
    border-color: var(--emerald-400);
    background: var(--emerald-50);
}

.file-upload.dragover {
    border-color: var(--emerald-500);
    background: var(--emerald-50);
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.12);
}

.file-upload svg {
    width: 40px;
    height: 40px;
    color: var(--gray-400);
    margin-bottom: var(--space-3);
}

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

.file-upload .upload-text span {
    color: var(--emerald-600);
    font-weight: var(--weight-semibold);
}

/* --- Multi-Step Form --- */
.form-steps {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    margin-bottom: var(--space-6);
}

.form-step {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.form-step .step-number {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--text-xs);
    font-weight: var(--weight-bold);
    border: 2px solid var(--gray-300);
    color: var(--gray-400);
    background: #fff;
    transition: all var(--transition-base);
}

.form-step .step-label {
    font-size: var(--text-sm);
    color: var(--gray-400);
    font-weight: var(--weight-medium);
    transition: color var(--transition-base);
}

.form-step.active .step-number {
    border-color: var(--emerald-500);
    color: var(--emerald-600);
    background: var(--emerald-50);
}

.form-step.active .step-label {
    color: var(--emerald-700);
}

.form-step.completed .step-number {
    background: var(--emerald-500);
    border-color: var(--emerald-500);
    color: #fff;
}

.form-step.completed .step-label {
    color: var(--gray-600);
}

.form-step-connector {
    width: 40px;
    height: 2px;
    background: var(--gray-300);
    transition: background var(--transition-base);
}

.form-step-connector.completed {
    background: var(--emerald-500);
}

/* --- Form Section --- */
.form-section {
    display: none;
}

.form-section.active {
    display: block;
    animation: fadeInPage 0.3s ease;
}

.form-section-title {
    font-size: var(--text-lg);
    font-weight: var(--weight-bold);
    color: var(--gray-800);
    margin-bottom: var(--space-2);
}

.form-section-desc {
    font-size: var(--text-sm);
    color: var(--text-secondary);
    margin-bottom: var(--space-5);
}

/* --- Inline form grid --- */
.form-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-4);
}

.form-row-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-4);
}

@media (max-width: 768px) {
    .form-row,
    .form-row-3 {
        grid-template-columns: 1fr;
    }
}