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

body {
    font-family: 'Inter', sans-serif;
    background: #f0f2f5;
    color: #1a1a2e;
}

.app {
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    width: 260px;
    background: linear-gradient(180deg, #1e3a8a 0%, #1e40af 100%);
    color: white;
    position: fixed;
    height: 100vh;
    transition: transform 0.3s ease;
    z-index: 1000;
}

.sidebar-header {
    padding: 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 24px;
    font-weight: 700;
}

.logo i {
    color: #fbbf24;
    font-size: 28px;
}

.sidebar-nav {
    padding: 20px 0;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 20px;
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: all 0.3s ease;
}

.nav-item:hover,
.nav-item.active {
    background: rgba(255, 255, 255, 0.1);
    color: white;
}

.nav-item i {
    width: 20px;
    text-align: center;
}

.badge {
    margin-left: auto;
    background: #ef4444;
    color: white;
    padding: 2px 8px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 600;
}

/* Main Content */
.main-content {
    flex: 1;
    margin-left: 260px;
    padding: 20px;
}

.header {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 30px;
    background: white;
    padding: 16px 24px;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    color: #1e3a8a;
}

.header h1 {
    font-size: 24px;
    color: #1e3a8a;
}

.header-actions {
    margin-left: auto;
}

.btn {
    padding: 10px 20px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.3s ease;
}

.btn-refresh {
    background: #e0e7ff;
    color: #1e3a8a;
}

.btn-refresh:hover {
    background: #c7d2fe;
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.stat-card {
    background: white;
    padding: 24px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    gap: 16px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.stat-icon {
    width: 56px;
    height: 56px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
}

.stat-icon.blue {
    background: #dbeafe;
    color: #1e40af;
}

.stat-icon.orange {
    background: #fed7aa;
    color: #ea580c;
}

.stat-icon.green {
    background: #bbf7d0;
    color: #16a34a;
}

.stat-icon.purple {
    background: #e9d5ff;
    color: #9333ea;
}

.stat-info h3 {
    font-size: 28px;
    font-weight: 700;
    color: #1a1a2e;
}

.stat-info p {
    color: #6b7280;
    font-size: 14px;
}

/* Orders */
.recent-orders h2,
.orders-header h2 {
    font-size: 20px;
    margin-bottom: 20px;
    color: #1e3a8a;
}

.filter-tabs {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 10px 20px;
    border: none;
    background: white;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 500;
    color: #6b7280;
    transition: all 0.3s ease;
}

.filter-btn:hover,
.filter-btn.active {
    background: #1e3a8a;
    color: white;
}

.orders-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.order-card {
    background: white;
    padding: 20px;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    cursor: pointer;
    transition: all 0.3s ease;
}

.order-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.order-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.order-id {
    font-weight: 600;
    color: #1e3a8a;
}

.order-status {
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
}

.status-pending {
    background: #fef3c7;
    color: #d97706;
}

.status-confirmed {
    background: #dbeafe;
    color: #1d4ed8;
}

.status-completed {
    background: #dcfce7;
    color: #16a34a;
}

.status-cancelled {
    background: #fee2e2;
    color: #dc2626;
}

.order-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 12px;
}

.order-info-item {
    display: flex;
    flex-direction: column;
}

.order-info-item label {
    font-size: 12px;
    color: #6b7280;
}

.order-info-item span {
    font-weight: 500;
    color: #1a1a2e;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 2000;
    align-items: center;
    justify-content: center;
}

.modal.active {
    display: flex;
}

.modal-content {
    background: white;
    border-radius: 16px;
    width: 90%;
    max-width: 600px;
    max-height: 90vh;
    overflow-y: auto;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    border-bottom: 1px solid #e5e7eb;
}

.modal-header h2 {
    color: #1e3a8a;
}

.close-btn {
    background: none;
    border: none;
    font-size: 28px;
    cursor: pointer;
    color: #6b7280;
}

.modal-body {
    padding: 20px;
}

.detail-section {
    margin-bottom: 20px;
}

.detail-section h3 {
    font-size: 16px;
    color: #1e3a8a;
    margin-bottom: 12px;
    padding-bottom: 8px;
    border-bottom: 1px solid #e5e7eb;
}

.detail-row {
    display: flex;
    justify-content: space-between;
    padding: 8px 0;
}

.detail-row label {
    color: #6b7280;
}

.detail-row span {
    font-weight: 500;
}

.item-list {
    background: #f9fafb;
    border-radius: 8px;
    padding: 12px;
}

.item-row {
    display: flex;
    justify-content: space-between;
    padding: 8px 0;
    border-bottom: 1px solid #e5e7eb;
}

.item-row:last-child {
    border-bottom: none;
}

.status-actions {
    display: flex;
    gap: 10px;
    margin-top: 20px;
}

.status-btn {
    flex: 1;
    padding: 12px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s ease;
}

.status-btn.confirm {
    background: #dbeafe;
    color: #1d4ed8;
}

.status-btn.complete {
    background: #dcfce7;
    color: #16a34a;
}

.status-btn.cancel {
    background: #fee2e2;
    color: #dc2626;
}

.status-btn:hover {
    opacity: 0.8;
}

/* Page visibility */
.page {
    display: none;
}

.page.active {
    display: block;
}

/* Responsive */
@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
    }

    .sidebar.active {
        transform: translateX(0);
    }

    .main-content {
        margin-left: 0;
    }

    .menu-toggle {
        display: block;
    }
}

/* Loading */
.loading {
    text-align: center;
    padding: 40px;
    color: #6b7280;
}

.loading i {
    font-size: 32px;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    from {
        transform: rotate(0deg);
    }

    to {
        transform: rotate(360deg);
    }
}

/* Empty state */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: #6b7280;
}

.empty-state i {
    font-size: 64px;
    margin-bottom: 16px;
    color: #d1d5db;
}