/* Add Product Page Styles */

:root {
    --primary: #3e654e;
    --primary-light: #d1e7dd;
    --primary-dark: #2d4a38;
    --secondary: #6c757d;
    --success: #198754;
    --warning: #ffc107;
    --danger: #dc3545;
    --dark: #212529;
    --light: #f8f9fa;
    --border-color: #e9ecef;
    --text-primary: #212529;
    --text-secondary: #6c757d;
    --header-height: 70px;
    --bg-light: #f5f7fa;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', 'Poppins', sans-serif;
    background: var(--bg-light);
    color: var(--text-primary);
    overflow-x: hidden;
}

.add-product-container {
    min-height: 100vh;
}

/* Main Content */
.main-content {
    width: 100%;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Page Header */
.page-header {
    background: white;
    padding: 0 30px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--header-height);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 20px;
}

.header-logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
}

.header-logo i {
    color: var(--primary);
}

.header-page-title {
    font-size: 1rem;
    color: var(--text-secondary);
}

.header-center {
    flex: 1;
    max-width: 400px;
    margin: 0 30px;
}

.search-box {
    position: relative;
    display: flex;
    align-items: center;
}

.search-box i {
    position: absolute;
    left: 12px;
    color: var(--text-secondary);
}

.search-box input {
    width: 100%;
    padding: 10px 12px 10px 40px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 0.9rem;
    outline: none;
    transition: border-color 0.2s;
}

.search-box input:focus {
    border-color: var(--primary);
}

.header-right {
    display: flex;
    align-items: center;
    gap: 15px;
}

.header-dropdown {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s;
    font-size: 0.9rem;
}

.header-dropdown:hover {
    background: var(--light);
}

.header-dropdown i:first-child {
    color: var(--text-secondary);
}

.header-dropdown i:last-child {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

/* Page Content */
.page-content {
    flex: 1;
    padding: 30px;
    max-width: 1400px;
    margin: 0 auto;
    width: 100%;
}

.page-title-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
}

.page-title-left {
    display: flex;
    align-items: center;
    gap: 12px;
}

.page-title-left i {
    font-size: 1.5rem;
    color: var(--primary);
}

.page-title {
    font-size: 1.75rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
    font-family: 'Poppins', sans-serif;
}

.page-title-actions {
    display: flex;
    gap: 12px;
}

/* Buttons */
.btn {
    padding: 10px 20px;
    border: none;
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: all 0.2s;
    font-family: 'Inter', sans-serif;
}

.btn-primary {
    background: var(--primary);
    color: white;
}

.btn-primary:hover {
    background: var(--primary-dark);
}

.btn-draft {
    background: white;
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-draft:hover {
    background: var(--light);
}

.btn-add-category {
    background: var(--primary);
    color: white;
    margin-top: 10px;
}

.btn-add-category:hover {
    background: var(--primary-dark);
}

/* Form Sections */
.form-sections {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.form-section {
    background: white;
    border-radius: 12px;
    padding: 30px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.section-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 24px;
    font-family: 'Poppins', sans-serif;
}

.form-group {
    margin-bottom: 24px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-primary);
}

.form-control {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 0.9rem;
    font-family: 'Inter', sans-serif;
    transition: all 0.2s;
    outline: none;
}

.form-control:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(25, 135, 84, 0.1);
}

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

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.input-group {
    position: relative;
    display: flex;
    align-items: center;
}

.input-prefix {
    position: absolute;
    left: 16px;
    color: var(--text-secondary);
    font-weight: 500;
    z-index: 1;
}

.input-group .form-control {
    padding-left: 40px;
}

.input-suffix {
    position: absolute;
    right: 16px;
    color: var(--text-secondary);
    font-weight: 500;
    z-index: 1;
}

.input-group .form-control.has-suffix {
    padding-right: 40px;
}

/* Size Buttons */
.size-buttons {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.size-btn {
    padding: 10px 20px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: white;
    color: var(--text-primary);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    min-width: 60px;
}

.size-btn:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.size-btn.active {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
}

/* Checkbox Group */
.checkbox-group {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    font-size: 0.9rem;
    color: var(--text-primary);
}

.checkbox-label input[type="checkbox"] {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.checkbox-custom {
    width: 20px;
    height: 20px;
    min-width: 20px;
    min-height: 20px;
    border: 2px solid var(--border-color);
    border-radius: 4px;
    position: relative;
    transition: all 0.2s;
    flex-shrink: 0;
    background: white;
    display: inline-block;
    cursor: pointer;
}

.checkbox-label input[type="checkbox"]:checked + .checkbox-custom {
    background: var(--primary);
    border-color: var(--primary);
}

.checkbox-label input[type="checkbox"]:checked + .checkbox-custom::after {
    content: '✓';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
    font-size: 0.75rem;
    font-weight: bold;
}

.form-text {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-top: 5px;
}

/* Image Upload Section */
.image-upload-section {
    display: flex;
    gap: 20px;
    flex-direction: column;
}

.main-image-preview {
    width: 100%;
    max-width: 500px;
    aspect-ratio: 1;
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    background: #e8f5e9;
    cursor: pointer;
    position: relative;
}

.main-image-preview img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.thumbnail-images {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.thumbnail-item {
    width: 100px;
    height: 100px;
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    background: #e8f5e9;
    position: relative;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}

.thumbnail-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.thumbnail-item.empty-thumbnail {
    background: #e8f5e9;
}

.thumbnail-item.empty-thumbnail img {
    display: none;
}

.thumbnail-item:not(.empty-thumbnail) img {
    display: block;
}

.add-thumbnail {
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px dashed var(--border-color);
    background: var(--light);
    cursor: pointer;
    transition: all 0.2s;
}

.add-thumbnail:hover {
    border-color: var(--primary);
    background: var(--primary-light);
}

.add-thumbnail i {
    font-size: 1.5rem;
    color: var(--text-secondary);
}

.add-thumbnail:hover i {
    color: var(--primary);
}

.remove-thumbnail {
    position: absolute;
    top: 5px;
    right: 5px;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: rgba(220, 53, 69, 0.9);
    color: white;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    opacity: 0;
    transition: opacity 0.2s;
}

.thumbnail-item:hover .remove-thumbnail {
    opacity: 1;
}

.remove-thumbnail:hover {
    background: var(--danger);
}

/* Loading Overlay */
.loading-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 9999;
    align-items: center;
    justify-content: center;
}

.loading-overlay.show {
    display: flex;
}

.spinner {
    width: 50px;
    height: 50px;
    border: 4px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Toast Notification */
.toast {
    position: fixed;
    top: 20px;
    right: 20px;
    background: white;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    padding: 16px 20px;
    display: none;
    align-items: center;
    gap: 12px;
    z-index: 10000;
    min-width: 300px;
    animation: slideIn 0.3s ease;
}

.toast.show {
    display: flex;
}

.toast.success {
    border-left: 4px solid var(--success);
}

.toast.error {
    border-left: 4px solid var(--danger);
}

.toast.info {
    border-left: 4px solid var(--primary);
}

.toast-icon {
    font-size: 1.2rem;
}

.toast.success .toast-icon {
    color: var(--success);
}

.toast.error .toast-icon {
    color: var(--danger);
}

.toast.info .toast-icon {
    color: var(--primary);
}

.toast-message {
    flex: 1;
    font-size: 0.9rem;
    color: var(--text-primary);
}

@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* Responsive Design */
@media (max-width: 1200px) {
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .image-upload-section {
        flex-direction: column;
    }
}

@media (max-width: 768px) {
    .page-header {
        flex-direction: column;
        height: auto;
        padding: 15px;
        gap: 15px;
    }
    
    .header-center {
        width: 100%;
        max-width: none;
        margin: 0;
    }
    
    .page-title-bar {
        flex-direction: column;
        align-items: flex-start;
        gap: 15px;
    }
    
    .page-content {
        padding: 15px;
    }
    
    .form-section {
        padding: 20px;
    }
    
}