/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Poppins', sans-serif;
    line-height: 1.6;
    color: #333;
    background: #f8f9fa;
}

/* Admin Header */
.admin-header {
    background: #fff;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    height: 70px;
}

.header-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100%;
}

.header-logo {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: #ff6b6b;
}

.header-logo i {
    margin-right: 0.5rem;
    font-size: 1.8rem;
}

.header-actions {
    display: flex;
    gap: 1rem;
}

/* Buttons */
.btn-primary {
    background: #ff6b6b;
    color: white;
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-primary:hover {
    background: #ff5252;
    transform: translateY(-2px);
}

.btn-secondary {
    background: #6c757d;
    color: white;
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-secondary:hover {
    background: #5a6268;
    transform: translateY(-2px);
}

.btn-danger {
    background: #dc3545;
    color: white;
    border: none;
    padding: 0.5rem 1rem;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.8rem;
    transition: all 0.3s ease;
}

.btn-danger:hover {
    background: #c82333;
}

.btn-success {
    background: #28a745;
    color: white;
    border: none;
    padding: 0.5rem 1rem;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.8rem;
    transition: all 0.3s ease;
}

.btn-success:hover {
    background: #218838;
}

/* Admin Container */
.admin-container {
    display: flex;
    margin-top: 70px;
    min-height: calc(100vh - 70px);
}

/* Sidebar */
.admin-sidebar {
    width: 250px;
    background: #fff;
    box-shadow: 2px 0 10px rgba(0, 0, 0, 0.1);
    position: fixed;
    left: 0;
    top: 70px;
    height: calc(100vh - 70px);
    overflow-y: auto;
}

.sidebar-nav {
    padding: 2rem 0;
}

.nav-item {
    display: flex;
    align-items: center;
    padding: 1rem 2rem;
    color: #666;
    text-decoration: none;
    transition: all 0.3s ease;
    border-left: 3px solid transparent;
}

.nav-item:hover {
    background: #f8f9fa;
    color: #ff6b6b;
    border-left-color: #ff6b6b;
}

.nav-item.active {
    background: #fff5f5;
    color: #ff6b6b;
    border-left-color: #ff6b6b;
    font-weight: 600;
}

.nav-item i {
    margin-right: 1rem;
    width: 20px;
    text-align: center;
}

/* Main Content */
.admin-main {
    flex: 1;
    margin-left: 250px;
    padding: 2rem;
}

/* Section Styles */
.admin-section {
    display: none;
}

.admin-section.active {
    display: block;
}

.section-header {
    margin-bottom: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.section-header h1 {
    font-size: 2rem;
    color: #333;
    margin-bottom: 0.5rem;
}

.section-header p {
    color: #666;
    margin: 0;
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: white;
    padding: 1.5rem;
    border-radius: 12px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    display: flex;
    align-items: center;
    gap: 1rem;
}

.stat-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #ff6b6b, #ff5252);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
}

.stat-content h3 {
    font-size: 2rem;
    font-weight: 700;
    color: #333;
    margin-bottom: 0.25rem;
}

.stat-content p {
    color: #666;
    margin: 0;
}

/* Dashboard Grid */
.dashboard-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

.dashboard-card {
    background: white;
    padding: 1.5rem;
    border-radius: 12px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.dashboard-card h3 {
    margin-bottom: 1rem;
    color: #333;
    font-size: 1.2rem;
}

.no-data {
    color: #666;
    text-align: center;
    padding: 2rem;
    font-style: italic;
}

/* Menu Controls */
.menu-controls {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
    align-items: center;
}

.search-box {
    position: relative;
    flex: 1;
}

.search-box i {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: #666;
}

.search-box input {
    width: 100%;
    padding: 0.75rem 1rem 0.75rem 2.5rem;
    border: 2px solid #e9ecef;
    border-radius: 8px;
    font-size: 0.9rem;
    transition: border-color 0.3s ease;
}

.search-box input:focus {
    outline: none;
    border-color: #ff6b6b;
}

.filter-controls select {
    padding: 0.75rem 1rem;
    border: 2px solid #e9ecef;
    border-radius: 8px;
    font-size: 0.9rem;
    background: white;
    cursor: pointer;
    transition: border-color 0.3s ease;
}

.filter-controls select:focus {
    outline: none;
    border-color: #ff6b6b;
}

/* Table Styles */
.menu-table-container,
.orders-table-container {
    background: white;
    border-radius: 12px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    overflow: hidden;
}

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

.menu-table th,
.menu-table td,
.orders-table th,
.orders-table td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid #e9ecef;
}

.menu-table th,
.orders-table th {
    background: #f8f9fa;
    font-weight: 600;
    color: #333;
}

.menu-table tr:hover,
.orders-table tr:hover {
    background: #f8f9fa;
}

.menu-item-image {
    width: 60px;
    height: 60px;
    object-fit: cover;
    border-radius: 8px;
}

.status-badge {
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
}

.status-active {
    background: #d4edda;
    color: #155724;
}

.status-inactive {
    background: #f8d7da;
    color: #721c24;
}

.action-buttons {
    display: flex;
    gap: 0.5rem;
}

/* Form Styles */
.item-form {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group.full-width {
    grid-column: 1 / -1;
}

.form-group label {
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: #333;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 0.75rem;
    border: 2px solid #e9ecef;
    border-radius: 8px;
    font-size: 0.9rem;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #ff6b6b;
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.form-actions {
    display: flex;
    gap: 1rem;
    justify-content: flex-end;
}

/* Categories Grid */
.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
}

.category-card {
    background: white;
    padding: 1.5rem;
    border-radius: 12px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    display: flex;
    align-items: center;
    gap: 1rem;
}

.category-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #ff6b6b, #ff5252);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.2rem;
}

.category-info h3 {
    margin-bottom: 0.25rem;
    color: #333;
}

.category-info p {
    color: #666;
    margin: 0;
}

/* Analytics Grid */
.analytics-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

.analytics-card {
    background: white;
    padding: 1.5rem;
    border-radius: 12px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.analytics-card h3 {
    margin-bottom: 1rem;
    color: #333;
}

.chart-placeholder {
    height: 200px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: #666;
    border: 2px dashed #e9ecef;
    border-radius: 8px;
}

.chart-placeholder i {
    font-size: 3rem;
    margin-bottom: 1rem;
    color: #ff6b6b;
}

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 2000;
}

.modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1999;
}

.modal-content {
    background: white;
    border-radius: 12px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
    max-width: 600px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    z-index: 2001;
}

.modal-header {
    padding: 1.5rem;
    border-bottom: 1px solid #e9ecef;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h2 {
    margin: 0;
    color: #333;
}

.close-modal {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: #666;
    transition: color 0.3s ease;
}

.close-modal:hover {
    color: #ff6b6b;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .admin-sidebar {
        transform: translateX(-100%);
        transition: transform 0.3s ease;
    }
    
    .admin-sidebar.active {
        transform: translateX(0);
    }
    
    .admin-main {
        margin-left: 0;
    }
    
    .dashboard-grid {
        grid-template-columns: 1fr;
    }
    
    .analytics-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .admin-main {
        padding: 1rem;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .menu-controls {
        flex-direction: column;
        align-items: stretch;
    }
    
    .form-grid {
        grid-template-columns: 1fr;
    }
    
    .form-actions {
        flex-direction: column;
    }
    
    .action-buttons {
        flex-direction: column;
    }
    
    .menu-table,
    .orders-table {
        font-size: 0.8rem;
    }
    
    .menu-table th,
    .menu-table td,
    .orders-table th,
    .orders-table td {
        padding: 0.5rem;
    }
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.admin-section.active {
    animation: fadeIn 0.3s ease;
}

/* Loading States */
.loading {
    opacity: 0.6;
    pointer-events: none;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid #f3f3f3;
    border-top: 2px solid #ff6b6b;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}