:root {
    --primary: #8B4513;
    --secondary: #2d2d2d;
    --background: #f5f5f5;
    --surface: #ffffff;
    --text: #1a1a1a;
    --text-light: #666666;
    --text-secondary: #888888;
    --border: #e0e0e0;
    --success: #10b981;
    --warning: #f59e0b;
    --error: #ef4444;
    --shadow: rgba(0, 0, 0, 0.08);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
    background: var(--background);
    color: var(--text);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

#app {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Navigation */
.main-nav {
    background: var(--secondary);
    color: white;
    padding: 1rem;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 8px var(--shadow);
}

.nav-brand {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.nav-brand h1 {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.sync-status {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    opacity: 0.9;
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--success);
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.status-dot.offline {
    background: var(--warning);
    animation: none;
}

.nav-menu {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 0.5rem;
}

.nav-btn {
    background: rgba(255, 255, 255, 0.1);
    border: none;
    color: white;
    padding: 0.75rem 0.5rem;
    border-radius: 8px;
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    white-space: nowrap;
}

.nav-btn:hover {
    background: rgba(255, 255, 255, 0.15);
}

.nav-btn.active {
    background: var(--primary);
    box-shadow: 0 2px 8px rgba(139, 69, 19, 0.3);
}

/* Main Content */
.content {
    flex: 1;
    padding: 1rem;
    max-width: 1200px;
    width: 100%;
    margin: 0 auto;
}

.view {
    display: none;
    animation: fadeIn 0.3s ease-in-out;
}

.view.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.view-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.view-header h2 {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--secondary);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 8px;
    font-size: 0.9375rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    text-decoration: none;
}

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

.btn-primary:hover {
    background: #704214;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(139, 69, 19, 0.3);
}

.btn-secondary {
    background: var(--surface);
    color: var(--text);
    border: 1px solid var(--border);
}

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

.btn-small {
    padding: 0.4rem 0.8rem;
    font-size: 0.85rem;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    overflow-y: auto;
}

.modal.active {
    display: flex;
}

.modal-content {
    background: var(--surface);
    border-radius: 16px;
    max-width: 800px;
    width: 100%;
    max-height: 95vh;
    display: flex;
    flex-direction: column;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    animation: modalSlideIn 0.3s ease-out;
}

@keyframes modalSlideIn {
    from { transform: translateY(20px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

.modal-large {
    max-width: 900px;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem;
    border-bottom: 1px solid var(--border);
}

.modal-header h2 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--secondary);
}

.modal-close {
    background: none;
    border: none;
    font-size: 2rem;
    color: var(--text-light);
    cursor: pointer;
    line-height: 1;
    padding: 0;
    width: 2rem;
    height: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    transition: all 0.2s;
}

.modal-close:hover {
    background: var(--background);
    color: var(--text);
}

.modal-body {
    padding: 2rem;
    overflow-y: auto;
}

/* Forms */
form {
    padding: 2rem;
}

.form-section {
    margin-bottom: 2rem;
}

.form-section h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 1rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 0.5rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.875rem;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 1rem;
    background: var(--surface);
    transition: all 0.2s;
    min-height: 48px;
}

.form-group textarea {
    min-height: auto;
    resize: vertical;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(139, 69, 19, 0.1);
}

.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.search-box {
    margin-bottom: 1rem;
}

.search-box input {
    width: 100%;
    padding: 0.875rem;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 1rem;
}

/* State Filters */
.state-filters,
.visit-filters {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    margin-top: 0.5rem;
}

.state-btn,
.visit-filter-btn {
    padding: 0.5rem 1rem;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 6px;
    font-size: 0.875rem;
    cursor: pointer;
    transition: all 0.2s;
}

.state-btn:hover,
.visit-filter-btn:hover {
    background: var(--background);
}

.state-btn.active,
.visit-filter-btn.active {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
}

.state-filters-compact {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.state-btn-compact {
    padding: 0.5rem 1rem;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 6px;
    font-size: 0.875rem;
    cursor: pointer;
    transition: all 0.2s;
}

.state-btn-compact:hover {
    background: var(--background);
}

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

/* Filters Section */
.filters-section {
    background: var(--surface);
    padding: 1.5rem;
    border-radius: 12px;
    margin-bottom: 1.5rem;
    box-shadow: 0 1px 3px var(--shadow);
}

.filter-group {
    margin-bottom: 1rem;
}

.filter-group:last-child {
    margin-bottom: 0;
}

.filter-group label {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 0.5rem;
}

/* Customers Grid */
.customers-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1rem;
}

.customer-card {
    background: var(--surface);
    padding: 1.5rem;
    border-radius: 12px;
    box-shadow: 0 2px 8px var(--shadow);
    transition: all 0.2s;
    position: relative;
}

.customer-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px var(--shadow);
}

.customer-name {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--secondary);
    margin-bottom: 0.5rem;
}

.customer-info {
    font-size: 0.875rem;
    color: var(--text-light);
    margin-bottom: 0.25rem;
}

.customer-tier {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 600;
    margin-top: 0.5rem;
}

.tier-gold {
    background: #fef3c7;
    color: #92400e;
}

.tier-silver {
    background: #e5e7eb;
    color: #374151;
}

.tier-bronze {
    background: #fed7aa;
    color: #9a3412;
}

.customer-visit-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
}

.customer-visit-badge.recent {
    background: #d1fae5;
    color: #065f46;
}

.customer-visit-badge.overdue {
    background: #fee2e2;
    color: #991b1b;
}

/* Products Grid */
.products-grid {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.product-category {
    background: var(--surface);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 2px 8px var(--shadow);
}

.product-category-header {
    background: var(--secondary);
    color: white;
    padding: 1rem 1.5rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 1rem;
    transition: background 0.2s;
}

.product-category-header:hover {
    background: #3d3d3d;
}

.category-icon {
    font-size: 1.25rem;
    transition: transform 0.2s;
}

.product-category-header h3 {
    flex: 1;
    font-size: 1.125rem;
    font-weight: 600;
}

.category-count {
    font-size: 0.875rem;
    opacity: 0.8;
}

.product-category-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out;
}

.product-category-content.expanded {
    max-height: 10000px;
    transition: max-height 0.5s ease-in;
}

.product-category-content.collapsed {
    max-height: 0;
}

.product-card {
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--border);
}

.product-card:last-child {
    border-bottom: none;
}

.product-card.discontinued {
    opacity: 0.6;
    background: var(--background);
}

.product-name {
    font-size: 1rem;
    font-weight: 600;
    color: var(--secondary);
    margin-bottom: 0.5rem;
}

.product-info {
    font-size: 0.875rem;
    color: var(--text-light);
    margin-bottom: 0.25rem;
}

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

.btn-danger:hover {
    background: #dc2626;
}

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

.btn-success:hover {
    background: #059669;
}

/* Orders */
.order-card {
    background: var(--surface);
    padding: 1.5rem;
    border-radius: 12px;
    margin-bottom: 1rem;
    box-shadow: 0 2px 8px var(--shadow);
    transition: all 0.2s;
    cursor: pointer;
}

.order-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px var(--shadow);
}

.order-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.75rem;
}

.order-customer {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--secondary);
}

.order-total {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary);
}

.order-meta {
    display: flex;
    gap: 1rem;
    font-size: 0.875rem;
    color: var(--text-light);
    margin-bottom: 0.75rem;
}

.order-notes-preview {
    font-size: 0.875rem;
    color: var(--text-light);
    margin-bottom: 0.75rem;
}

.order-actions {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

/* Order Items */
.order-items {
    margin: 1rem 0;
}

.order-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: var(--background);
    border: 1px solid var(--border);
    border-radius: 8px;
    margin-bottom: 0.75rem;
}

.order-item-info {
    flex: 1;
}

.order-item-name {
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.order-item-details {
    font-size: 0.875rem;
    color: var(--text-light);
}

.order-item-total {
    font-weight: 600;
    color: var(--primary);
}

.order-item-remove {
    background: none;
    border: none;
    color: var(--error);
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 6px;
    transition: all 0.2s;
    font-size: 1.25rem;
    line-height: 1;
}

.order-item-remove:hover {
    background: #fee2e2;
}

.order-totals {
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 2px solid var(--border);
}

.total-row {
    display: flex;
    justify-content: space-between;
    padding: 0.5rem 0;
    font-size: 1rem;
}

.total-final {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary);
    padding-top: 1rem;
    border-top: 1px solid var(--border);
}

.modal-actions {
    display: flex;
    gap: 1rem;
    justify-content: flex-end;
    padding: 1.5rem;
    border-top: 1px solid var(--border);
    background: var(--background);
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.stat-card {
    background: var(--surface);
    padding: 1.5rem;
    border-radius: 12px;
    box-shadow: 0 2px 8px var(--shadow);
}

.stat-card h3 {
    font-size: 0.875rem;
    color: var(--text-light);
    margin-bottom: 0.5rem;
}

.stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary);
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-light);
    margin-top: 0.25rem;
}

/* Report Actions */
.report-actions {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

/* Analytics */
.analytics-section {
    background: var(--surface);
    padding: 1.5rem;
    border-radius: 12px;
    margin-bottom: 1.5rem;
    box-shadow: 0 2px 8px var(--shadow);
}

.analytics-section h3 {
    color: var(--secondary);
    margin-bottom: 1rem;
}

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

/* Monthly Orders */
.month-container {
    background: var(--surface);
    border-radius: 12px;
    margin-bottom: 1rem;
    overflow: hidden;
    box-shadow: 0 2px 8px var(--shadow);
}

.month-header {
    padding: 1rem 1.5rem;
    background: var(--secondary);
    color: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.month-header:hover {
    background: #3d3d3d;
}

.month-header-left {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.month-toggle {
    transition: transform 0.3s;
}

.month-toggle.expanded {
    transform: rotate(90deg);
}

.month-title {
    font-size: 1.125rem;
    font-weight: 600;
}

.month-stats {
    display: flex;
    gap: 2rem;
}

.month-stat {
    display: flex;
    gap: 0.5rem;
    align-items: center;
    font-size: 0.875rem;
}

.month-actions {
    display: flex;
    gap: 0.5rem;
}

.month-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out;
}

.month-content.expanded {
    max-height: 5000px;
    transition: max-height 0.5s ease-in;
}

.month-orders-table {
    width: 100%;
    border-collapse: collapse;
}

.month-orders-table th {
    background: var(--background);
    padding: 0.75rem 1rem;
    text-align: left;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-light);
    border-bottom: 1px solid var(--border);
}

.month-orders-table td {
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--border);
}

.month-orders-table tr:hover {
    background: var(--background);
}

/* Customer Detail Modal */
.customer-detail-section {
    padding: 1.5rem 0;
    border-bottom: 1px solid var(--border);
}

.customer-detail-section:last-child {
    border-bottom: none;
}

.customer-detail-section h3 {
    color: var(--secondary);
    margin-bottom: 1rem;
}

.visit-history-item {
    padding: 1rem;
    background: var(--background);
    border-radius: 8px;
    margin-bottom: 0.75rem;
}

.visit-history-date {
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 0.25rem;
}

.visit-history-note {
    font-size: 0.875rem;
    color: var(--text-light);
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--text-light);
}

.empty-state h3 {
    margin-bottom: 0.5rem;
}

/* Responsive */
@media (max-width: 768px) {
    .nav-menu {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .form-grid {
        grid-template-columns: 1fr;
    }
    
    .customers-grid {
        grid-template-columns: 1fr;
    }
    
    .order-actions {
        flex-direction: column;
    }
    
    .order-actions .btn {
        width: 100%;
    }
}

/* ============================================
   TABLET FIX V2 - More Aggressive
   Force scrolling on ALL screen sizes
   ============================================ */

/* Universal modal fix - applies to ALL screens */
.modal {
    overflow-y: auto !important;
}

.modal-content {
    max-height: 90vh !important;
    overflow-y: auto !important;
}

.modal-large {
    max-height: 85vh !important;
    overflow-y: auto !important;
}

/* Specific tablet targeting */
@media (max-width: 1400px) {
    .modal-content {
        max-height: 80vh !important;
    }
    
    .modal-large {
        max-height: 75vh !important;
    }
}

@media (max-width: 1024px) {
    .modal-content {
        max-height: 70vh !important;
    }
    
    .modal-large {
        max-height: 70vh !important;
    }
}

/* Fix for mobile/tablet - allow scrolling and don't force center */
@media (max-width: 1400px) {
    .modal {
        align-items: flex-start !important;
        padding-top: 2rem;
    }
    
    .modal-content,
    .modal-large {
        margin-top: 0;
        margin-bottom: 2rem;
    }
}