/* PDF Catalog Generator - Modern Single Panel Styles */

:root {
    --primary: #6366F1;
    --primary-dark: #4F46E5;
    --primary-light: #818CF8;
    --success: #10B981;
    --warning: #F59E0B;
    --danger: #EF4444;
    --bg: #F1F5F9;
    --surface: #FFFFFF;
    --text: #1E293B;
    --text-light: #64748B;
    --border: #E2E8F0;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --radius: 12px;
    --radius-sm: 8px;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.5;
}

/* Header */
.app-header {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
    padding: 2rem;
    text-align: center;
}

.app-header h1 {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.subtitle {
    opacity: 0.9;
    font-size: 0.95rem;
}

/* Main Content */
.main-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem;
}

/* Panel Grid */
.panel-grid {
    display: grid;
    grid-template-columns: 380px 1fr;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.panel-column {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.panel-column-wide {
    flex: 1;
}

/* Panel Sections */
.panel-section {
    background: var(--surface);
    border-radius: var(--radius);
    padding: 1.5rem;
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
}

.panel-section h2 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.panel-section-full {
    height: 100%;
    display: flex;
    flex-direction: column;
}

/* Categories Grid Compact */
.categories-grid-compact {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.75rem;
}

.category-card-compact {
    background: var(--bg);
    border: 2px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 0.75rem;
    cursor: pointer;
    transition: all 0.2s;
    text-align: center;
}

.category-card-compact:hover {
    border-color: var(--primary-light);
    background: #EEF2FF;
}

.category-card-compact.selected {
    border-color: var(--primary);
    background: #EEF2FF;
}

.category-card-compact img {
    width: 100%;
    height: 80px;
    object-fit: cover;
    border-radius: 4px;
    margin-bottom: 0.5rem;
}

.category-card-title {
    font-weight: 500;
    font-size: 0.9rem;
}

/* Images Config Compact */
.images-config-compact {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.image-input-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.image-input-group label {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-light);
}

.url-input {
    width: 100%;
    padding: 0.625rem 0.75rem;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    transition: all 0.2s;
}

.url-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.image-preview-small {
    height: 100px;
    border: 2px dashed var(--border);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg);
    overflow: hidden;
}

.image-preview-small img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.image-preview-small.has-image {
    border-style: solid;
}

/* Layout Config Compact */
.layout-info {
    background: var(--bg);
    padding: 0.75rem;
    border-radius: var(--radius-sm);
    margin-bottom: 0.75rem;
}

.layout-info p {
    font-size: 0.85rem;
    color: var(--text-light);
    margin: 0;
}

.layout-info p:first-child {
    font-weight: 500;
    color: var(--text);
    margin-bottom: 0.25rem;
}

.layout-config-compact {
    display: flex;
    gap: 0.75rem;
}

.layout-option-compact {
    flex: 1;
    padding: 1rem 0.75rem;
    border: 2px solid var(--border);
    border-radius: var(--radius-sm);
    text-align: center;
    cursor: pointer;
    transition: all 0.2s;
    background: var(--bg);
}

.layout-option-compact:hover {
    border-color: var(--primary-light);
}

.layout-option-compact.selected {
    border-color: var(--primary);
    background: #EEF2FF;
}

.layout-label {
    display: block;
    font-weight: 700;
    font-size: 1.1rem;
}

.layout-detail {
    font-size: 0.8rem;
    color: var(--text-light);
}

/* Products Header */
.products-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.products-stats {
    display: flex;
    gap: 1.5rem;
    font-size: 0.9rem;
    color: var(--text-light);
}

.products-stats span {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.products-stats strong {
    color: var(--text);
    font-weight: 600;
}

/* Products Table */
.products-table-wrapper {
    flex: 1;
    overflow: auto;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
}

.products-table-modern {
    width: 100%;
    border-collapse: collapse;
}

.products-table-modern th,
.products-table-modern td {
    padding: 0.875rem 1rem;
    text-align: left;
    border-bottom: 1px solid var(--border);
}

.products-table-modern th {
    background: var(--bg);
    font-weight: 600;
    font-size: 0.85rem;
    color: var(--text-light);
    position: sticky;
    top: 0;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.products-table-modern tbody tr {
    transition: background 0.15s;
}

.products-table-modern tbody tr:hover {
    background: #F8FAFC;
}

.products-table-modern tbody tr.dragging {
    opacity: 0.5;
}

.products-table-modern .empty-state {
    text-align: center;
    color: var(--text-light);
    padding: 3rem !important;
}

.product-thumbnail {
    width: 45px;
    height: 45px;
    object-fit: cover;
    border-radius: 6px;
    background: var(--bg);
}

.order-input {
    width: 45px;
    padding: 0.4rem;
    border: 1px solid var(--border);
    border-radius: 6px;
    text-align: center;
    font-size: 0.9rem;
}

.action-buttons {
    display: flex;
    gap: 0.25rem;
}

.btn-action {
    width: 28px;
    height: 28px;
    border: none;
    background: var(--bg);
    border-radius: 6px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
    transition: all 0.15s;
}

.btn-action:hover:not(:disabled) {
    background: var(--border);
}

.btn-action:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

/* Generate Section */
.generate-section {
    background: var(--surface);
    border-radius: var(--radius);
    padding: 1.5rem;
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.btn-generate {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 2.5rem;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
    border: none;
    border-radius: var(--radius);
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.4);
}

.btn-generate:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.5);
}

.btn-generate:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.btn-icon {
    font-size: 1.3rem;
}

.status-message {
    font-size: 0.9rem;
    text-align: center;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-sm);
    display: none;
}

.status-message.success {
    background: #D1FAE5;
    color: #065F46;
    display: block;
}

.status-message.error {
    background: #FEE2E2;
    color: #991B1B;
    display: block;
}

.status-message.warning {
    background: #FEF3C7;
    color: #92400E;
    display: block;
}

/* Loading Overlay */
.loading-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.loading-modal {
    background: var(--surface);
    padding: 2.5rem;
    border-radius: var(--radius);
    text-align: center;
    box-shadow: var(--shadow-lg);
    max-width: 400px;
    width: 90%;
}

.spinner-large {
    width: 60px;
    height: 60px;
    border: 4px solid var(--border);
    border-top-color: var(--primary);
    border-radius: 50%;
    margin: 0 auto 1.5rem;
    animation: spin 1s linear infinite;
}

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

.loading-modal h3 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}

.loading-modal p {
    color: var(--text-light);
    margin-bottom: 1rem;
}

.progress-bar {
    width: 100%;
    height: 8px;
    background: var(--bg);
    border-radius: 4px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary), var(--primary-light));
    border-radius: 4px;
    transition: width 0.3s;
    width: 0%;
}

/* Toast */
.toast-modern {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    padding: 1rem 1.5rem;
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    z-index: 1001;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    min-width: 300px;
    animation: slideIn 0.3s ease-out;
}

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

.toast-modern.success {
    background: var(--success);
    color: white;
}

.toast-modern.error {
    background: var(--danger);
    color: white;
}

.toast-modern.warning {
    background: var(--warning);
    color: white;
}

/* Loading */
.loading {
    text-align: center;
    padding: 2rem;
    color: var(--text-light);
}

/* Responsive */
@media (max-width: 1024px) {
    .panel-grid {
        grid-template-columns: 1fr;
    }

    .categories-grid-compact {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    .app-header {
        padding: 1.5rem 1rem;
    }

    .app-header h1 {
        font-size: 1.4rem;
    }

    .main-content {
        padding: 1rem;
    }

    .categories-grid-compact {
        grid-template-columns: repeat(2, 1fr);
    }

    .products-stats {
        flex-direction: column;
        gap: 0.5rem;
    }

    .btn-generate {
        width: 100%;
        justify-content: center;
    }
}