/* 
 * Kitchen Order Platform - Main Styles
 * DARK MODE - Optimized for 10" tablet, responsive for all devices
 */

:root {
    --sidebar-width: 280px;
    --navbar-height: 60px;
    --primary-color: #1a1a2e;
    --secondary-color: #4fc3f7;
    --success-color: #00e676;
    --warning-color: #ffca28;
    --danger-color: #ff5252;
    --bg-dark: #0d0d0d;
    --bg-card: #1e1e1e;
    --bg-hover: #2d2d2d;
    --text-primary: #ffffff;
    --text-secondary: #b0b0b0;
    --border-color: #333333;
}

* {
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

html, body {
    height: 100%;
    overflow: hidden;
}

body {
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-primary);
    padding-top: var(--navbar-height);
}

/* App Container */
.app-container {
    display: flex;
    height: calc(100vh - var(--navbar-height));
}

/* Navbar */
.navbar {
    height: var(--navbar-height);
    box-shadow: 0 2px 15px rgba(0,0,0,0.5);
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%) !important;
}

.navbar-brand {
    font-weight: 700;
    font-size: 1.4rem;
}

.search-container {
    flex: 1;
    max-width: 400px;
    margin: 0 20px;
}

.search-container .input-group-text {
    background: rgba(255,255,255,0.1);
    border: 1px solid var(--border-color);
    color: #fff;
}

.search-container .form-control {
    background: rgba(255,255,255,0.05);
    border: 1px solid var(--border-color);
    color: #fff;
}

.search-container .form-control::placeholder {
    color: rgba(255,255,255,0.5);
}

.search-container .form-control:focus {
    background: rgba(255,255,255,0.1);
    box-shadow: 0 0 0 2px var(--secondary-color);
    border-color: var(--secondary-color);
}

/* Sidebar */
.sidebar {
    width: var(--sidebar-width);
    background: linear-gradient(180deg, #1a1a2e 0%, #0f0f1a 100%);
    color: #fff;
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    border-right: 1px solid var(--border-color);
}

.sidebar-header {
    padding: 20px;
    border-bottom: 1px solid var(--border-color);
    background: rgba(79, 195, 247, 0.1);
}

.sidebar-header h5 {
    margin: 0;
    font-weight: 600;
    color: var(--secondary-color);
}

.sidebar-nav {
    flex: 1;
    overflow-y: auto;
    padding: 10px 0;
}

.sidebar-nav::-webkit-scrollbar {
    width: 6px;
}

.sidebar-nav::-webkit-scrollbar-thumb {
    background: rgba(255,255,255,0.2);
    border-radius: 3px;
}

.category-item {
    display: flex;
    align-items: center;
    padding: 15px 20px;
    color: rgba(255,255,255,0.8);
    text-decoration: none;
    transition: all 0.2s ease;
    cursor: pointer;
    border-left: 4px solid transparent;
}

.category-item:hover {
    background: rgba(255,255,255,0.1);
    color: #fff;
}

.category-item.active {
    background: rgba(255,255,255,0.15);
    color: #fff;
    border-left-color: var(--secondary-color);
}

.category-item i {
    font-size: 1.3rem;
    margin-right: 12px;
    width: 28px;
    text-align: center;
}

.category-item span {
    font-size: 1rem;
    font-weight: 500;
}

/* Mobile Sidebar */
.sidebar-nav-mobile {
    padding: 0;
    background: var(--bg-dark);
}

.sidebar-nav-mobile .category-item {
    border-bottom: 1px solid var(--border-color);
    padding: 18px 20px;
    color: var(--text-primary);
}

.sidebar-nav-mobile .category-item:hover,
.sidebar-nav-mobile .category-item.active {
    background: var(--bg-hover);
}

.sidebar-nav-mobile .category-item i {
    color: var(--secondary-color);
}

/* Main Content */
.main-content {
    flex: 1;
    padding: 20px;
    overflow-y: auto;
    overflow-x: hidden;
    background: var(--bg-dark);
}

.content-header {
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 2px solid var(--border-color);
}

.content-header h2 {
    margin: 0;
    font-weight: 600;
    color: var(--text-primary);
}

/* Ingredients Grid */
.ingredients-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 12px;
}

.ingredient-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 20px 10px;
    min-height: 100px;
    background: var(--bg-card);
    border: 2px solid var(--border-color);
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.2s ease;
    text-align: center;
}

.ingredient-btn:hover {
    border-color: var(--secondary-color);
    box-shadow: 0 4px 20px rgba(79, 195, 247, 0.3);
    transform: translateY(-2px);
    background: var(--bg-hover);
}

.ingredient-btn:active {
    transform: translateY(0);
    box-shadow: 0 2px 10px rgba(79, 195, 247, 0.2);
}

.ingredient-btn .name {
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--text-primary);
    margin-bottom: 5px;
    word-break: break-word;
}

.ingredient-btn .unit {
    font-size: 0.8rem;
    color: var(--text-secondary);
    background: var(--bg-dark);
    padding: 2px 8px;
    border-radius: 10px;
}

/* Shopping List */
.shopping-list-container {
    height: calc(100% - 150px);
    overflow-y: auto;
    background: var(--bg-dark);
}

.shopping-list-items {
    padding: 10px;
}

.shopping-list-item {
    display: flex;
    align-items: center;
    padding: 12px 15px;
    background: var(--bg-card);
    border-radius: 8px;
    margin-bottom: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.3);
    border: 1px solid var(--border-color);
}

.shopping-list-item .item-info {
    flex: 1;
}

.shopping-list-item .item-name {
    font-weight: 600;
    color: var(--text-primary);
}

.shopping-list-item .item-details {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.shopping-list-item .item-quantity {
    display: flex;
    align-items: center;
    gap: 8px;
}

.shopping-list-item .qty-badge {
    background: var(--secondary-color);
    color: #fff;
    padding: 5px 12px;
    border-radius: 20px;
    font-weight: 600;
    min-width: 60px;
    text-align: center;
}

.shopping-list-item .btn-remove {
    background: none;
    border: none;
    color: var(--danger-color);
    font-size: 1.2rem;
    cursor: pointer;
    padding: 5px;
    opacity: 0.7;
    transition: opacity 0.2s;
}

.shopping-list-item .btn-remove:hover {
    opacity: 1;
}

.shopping-list-empty {
    text-align: center;
    padding: 40px 20px;
    color: var(--text-secondary);
}

.shopping-list-empty i {
    font-size: 4rem;
    margin-bottom: 15px;
    opacity: 0.5;
    color: var(--text-secondary);
}

/* Quantity Modal */
.quantity-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 8px;
}

.quantity-btn {
    padding: 15px 10px;
    font-size: 1.2rem;
    font-weight: 600;
    border: 2px solid var(--border-color);
    background: var(--bg-card);
    color: var(--text-primary);
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.quantity-btn:hover {
    border-color: var(--secondary-color);
    background: var(--secondary-color);
    color: #000;
}

.quantity-btn:active {
    transform: scale(0.95);
}

.quantity-btn.selected {
    border-color: var(--success-color);
    background: var(--success-color);
    color: #000;
}

#customQuantity {
    font-size: 1.5rem;
    font-weight: 600;
    background: var(--bg-card);
    color: var(--text-primary);
    border-color: var(--border-color);
}

/* Offcanvas Footer */
.offcanvas-footer {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--bg-card) !important;
    border-top-color: var(--border-color) !important;
}

/* Offcanvas Dark */
.offcanvas {
    background: var(--bg-dark);
    color: var(--text-primary);
}

.offcanvas-header {
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%) !important;
}

/* Modal Dark */
.modal-content {
    background: var(--bg-card);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.modal-header {
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%) !important;
    border-bottom-color: var(--border-color);
}

.modal-footer {
    background: var(--bg-dark);
    border-top-color: var(--border-color);
}

/* Close button for dark mode */
.btn-close {
    filter: invert(1);
}

/* Toast */
.toast {
    min-width: 250px;
}

/* Tablet Optimizations (10" ~ 800px - 1024px) */
@media (min-width: 768px) and (max-width: 1024px) {
    .sidebar {
        width: 220px;
    }
    
    .ingredients-grid {
        grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
    }
    
    .ingredient-btn {
        min-height: 90px;
        padding: 15px 8px;
    }
}

/* Mobile */
@media (max-width: 991.98px) {
    .sidebar {
        display: none !important;
    }
    
    .main-content {
        padding: 15px;
    }
    
    .ingredients-grid {
        grid-template-columns: repeat(auto-fill, minmax(110px, 1fr));
        gap: 10px;
    }
    
    .ingredient-btn {
        min-height: 85px;
        padding: 12px 8px;
    }
    
    .ingredient-btn .name {
        font-size: 0.85rem;
    }
}

/* Small phones */
@media (max-width: 575.98px) {
    .ingredients-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 8px;
    }
    
    .ingredient-btn {
        min-height: 75px;
        padding: 10px 5px;
    }
    
    .ingredient-btn .name {
        font-size: 0.8rem;
    }
    
    .quantity-grid {
        grid-template-columns: repeat(4, 1fr);
    }
    
    #shoppingListOffcanvas {
        width: 100% !important;
    }
}

/* Print Styles */
@media print {
    .sidebar, .navbar, .offcanvas, .modal {
        display: none !important;
    }
    
    .main-content {
        padding: 0;
    }
}

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

.ingredient-btn {
    animation: fadeIn 0.3s ease forwards;
}

.ingredients-grid .ingredient-btn:nth-child(1) { animation-delay: 0.02s; }
.ingredients-grid .ingredient-btn:nth-child(2) { animation-delay: 0.04s; }
.ingredients-grid .ingredient-btn:nth-child(3) { animation-delay: 0.06s; }
.ingredients-grid .ingredient-btn:nth-child(4) { animation-delay: 0.08s; }
.ingredients-grid .ingredient-btn:nth-child(5) { animation-delay: 0.1s; }
.ingredients-grid .ingredient-btn:nth-child(6) { animation-delay: 0.12s; }
.ingredients-grid .ingredient-btn:nth-child(7) { animation-delay: 0.14s; }
.ingredients-grid .ingredient-btn:nth-child(8) { animation-delay: 0.16s; }