/* Order Tracking - Ultra Modern Design */
:root {
    --primary-color: #667eea;
    --primary-dark: #5a6fd8;
    --secondary-color: #764ba2;
    --accent-color: #f093fb;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --error-color: #ef4444;
    --info-color: #3b82f6;
    
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-dark: #1e293b;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --text-light: #94a3b8;
    
    --border-color: #e2e8f0;
    --border-light: #f1f5f9;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    
    --border-radius: 12px;
    --border-radius-lg: 16px;
    --border-radius-xl: 20px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.15s ease-out;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    color: var(--text-primary);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

/* Loading Screen */
.loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.loading-screen.hide {
    opacity: 0;
    visibility: hidden;
}

.loading-animation {
    text-align: center;
    color: white;
}

.loading-spinner {
    width: 60px;
    height: 60px;
    border: 4px solid rgba(255, 255, 255, 0.3);
    border-top: 4px solid #ffffff;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 1rem;
}

.loading-text {
    font-size: 1.1rem;
    font-weight: 500;
    opacity: 0.9;
}

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

/* Header */
.order-tracking-header {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-light);
    position: sticky;
    top: 0;
    z-index: 100;
    padding: 1rem 0;
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.back-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 0.75rem 1rem;
    color: var(--text-primary);
    cursor: pointer;
    transition: var(--transition);
    font-weight: 500;
}

.back-btn:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.header-title {
    flex: 1;
    text-align: center;
}

.header-title h1 {
    font-size: 1.8rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 0.25rem;
}

.subtitle {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

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

.refresh-btn {
    background: var(--success-color);
    border: none;
    border-radius: 50%;
    width: 44px;
    height: 44px;
    color: white;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.refresh-btn:hover {
    transform: rotate(180deg) scale(1.1);
    box-shadow: var(--shadow-md);
}

.user-info {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    padding: 0.5rem 1rem;
    box-shadow: var(--shadow-sm);
}

.user-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 600;
    font-size: 0.9rem;
}

.user-name {
    font-weight: 500;
    color: var(--text-primary);
}

/* Main Content */
.main-content {
    padding: 2rem 0;
}

/* Orders Statistics */
.orders-stats {
    margin-bottom: 3rem;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.stat-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-radius: var(--border-radius-lg);
    padding: 2rem;
    display: flex;
    align-items: center;
    gap: 1.5rem;
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.stat-icon {
    width: 60px;
    height: 60px;
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: white;
}

.total-orders .stat-icon {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
}

.pending-orders .stat-icon {
    background: linear-gradient(135deg, var(--warning-color), #ea580c);
}

.processing-orders .stat-icon {
    background: linear-gradient(135deg, var(--info-color), #1d4ed8);
}

.delivered-orders .stat-icon {
    background: linear-gradient(135deg, var(--success-color), #059669);
}

.stat-content {
    flex: 1;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.stat-label {
    color: var(--text-secondary);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-size: 0.85rem;
}

/* Filter Tabs */
.filter-tabs {
    margin-bottom: 2rem;
}

.tabs-container {
    display: flex;
    gap: 0.5rem;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-radius: var(--border-radius-lg);
    padding: 0.5rem;
    box-shadow: var(--shadow-md);
    overflow-x: auto;
}

.tab-btn {
    flex: 1;
    min-width: 150px;
    background: transparent;
    border: none;
    border-radius: var(--border-radius);
    padding: 1rem 1.5rem;
    color: var(--text-secondary);
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    white-space: nowrap;
}

.tab-btn:hover {
    background: var(--bg-secondary);
    color: var(--text-primary);
}

.tab-btn.active {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    box-shadow: var(--shadow-sm);
}

/* Orders Sections */
.orders-sections {
    display: flex;
    flex-direction: column;
    gap: 3rem;
}

.orders-section {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-radius: var(--border-radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.section-header {
    background: linear-gradient(135deg, var(--bg-secondary), #f1f5f9);
    padding: 1.5rem 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid var(--border-light);
}

.section-header h2 {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.section-count {
    background: var(--primary-color);
    color: white;
    border-radius: 20px;
    padding: 0.5rem 1rem;
    font-weight: 600;
    font-size: 0.9rem;
    min-width: 40px;
    text-align: center;
}

.orders-grid {
    padding: 2rem;
    display: grid;
    gap: 1.5rem;
}

/* Order Card */
.order-card {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    padding: 1.5rem;
    transition: var(--transition);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.order-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    transform: scaleX(0);
    transition: var(--transition);
}

.order-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-color);
}

.order-card:hover::before {
    transform: scaleX(1);
}

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

.order-id {
    font-weight: 700;
    color: var(--text-primary);
    font-size: 1.1rem;
}

.order-status {
    padding: 0.375rem 0.75rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.status-pending {
    background: rgba(251, 191, 36, 0.1);
    color: var(--warning-color);
    border: 1px solid rgba(251, 191, 36, 0.2);
}

.status-processing {
    background: rgba(59, 130, 246, 0.1);
    color: var(--info-color);
    border: 1px solid rgba(59, 130, 246, 0.2);
}

.status-shipped {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success-color);
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.status-delivered {
    background: rgba(34, 197, 94, 0.1);
    color: #15803d;
    border: 1px solid rgba(34, 197, 94, 0.2);
}

.order-date {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-left: auto;
}

.order-items {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
    overflow-x: auto;
    padding-bottom: 0.5rem;
}

.order-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    min-width: 200px;
    background: var(--bg-secondary);
    border-radius: var(--border-radius);
    padding: 0.75rem;
}

.item-image {
    width: 50px;
    height: 50px;
    border-radius: var(--border-radius);
    object-fit: cover;
    background: var(--border-light);
}

.item-info {
    flex: 1;
}

.item-name {
    font-weight: 500;
    color: var(--text-primary);
    font-size: 0.9rem;
    margin-bottom: 0.25rem;
}

.item-details {
    color: var(--text-secondary);
    font-size: 0.8rem;
}

.order-progress {
    margin-bottom: 1rem;
}

.progress-bar {
    background: var(--border-light);
    border-radius: 10px;
    height: 8px;
    overflow: hidden;
    margin-bottom: 0.5rem;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    border-radius: 10px;
    transition: width 0.8s ease;
}

.progress-text {
    display: flex;
    justify-content: space-between;
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.order-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 1rem;
    border-top: 1px solid var(--border-light);
}

.order-total {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-primary);
}

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

.btn {
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius);
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
    border: none;
    font-size: 0.9rem;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-outline {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-primary);
}

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

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

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

/* Empty State */
.empty-state {
    text-align: center;
    padding: 4rem 2rem;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-lg);
}

.empty-icon {
    width: 120px;
    height: 120px;
    margin: 0 auto 2rem;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--bg-secondary), var(--border-light));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    color: var(--text-light);
}

.empty-state h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.empty-state p {
    color: var(--text-secondary);
    margin-bottom: 2rem;
    font-size: 1.1rem;
}

/* Modal */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(5px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

.modal-overlay.show {
    opacity: 1;
    visibility: visible;
}

.order-modal {
    background: var(--bg-primary);
    border-radius: var(--border-radius-xl);
    max-width: 800px;
    width: 90%;
    max-height: 90vh;
    overflow: hidden;
    box-shadow: var(--shadow-xl);
    transform: scale(0.9);
    transition: var(--transition);
}

.modal-overlay.show .order-modal {
    transform: scale(1);
}

.modal-header {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 1.5rem 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.modal-header h2 {
    font-size: 1.3rem;
    font-weight: 600;
}

.close-modal {
    background: rgba(255, 255, 255, 0.2);
    border: none;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    color: white;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.close-modal:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: rotate(90deg);
}

.modal-content {
    padding: 2rem;
    max-height: 70vh;
    overflow-y: auto;
}

/* Toast Messages */
.toast-container {
    position: fixed;
    top: 2rem;
    right: 2rem;
    z-index: 2000;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.toast {
    background: var(--bg-primary);
    border-radius: var(--border-radius);
    padding: 1rem 1.5rem;
    box-shadow: var(--shadow-lg);
    border-left: 4px solid;
    display: flex;
    align-items: center;
    gap: 1rem;
    max-width: 400px;
    transform: translateX(100%);
    transition: var(--transition);
}

.toast.show {
    transform: translateX(0);
}

.toast.success {
    border-color: var(--success-color);
    background: rgba(16, 185, 129, 0.05);
}

.toast.error {
    border-color: var(--error-color);
    background: rgba(239, 68, 68, 0.05);
}

.toast.info {
    border-color: var(--info-color);
    background: rgba(59, 130, 246, 0.05);
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 0 0.5rem;
    }
    
    .header-content {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
    
    .header-title h1 {
        font-size: 1.5rem;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .stat-card {
        padding: 1.5rem;
    }
    
    .stat-number {
        font-size: 2rem;
    }
    
    .tabs-container {
        flex-direction: column;
        gap: 0.25rem;
    }
    
    .tab-btn {
        min-width: auto;
        justify-content: flex-start;
    }
    
    .section-header {
        padding: 1rem;
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
    
    .orders-grid {
        padding: 1rem;
    }
    
    .order-card {
        padding: 1rem;
    }
    
    .order-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }
    
    .order-footer {
        flex-direction: column;
        gap: 1rem;
    }
    
    .order-actions {
        width: 100%;
        justify-content: center;
    }
    
    .order-modal {
        width: 95%;
        margin: 1rem;
    }
    
    .modal-content {
        padding: 1rem;
    }
    
    .toast-container {
        left: 1rem;
        right: 1rem;
        top: 1rem;
    }
    
    .toast {
        max-width: none;
    }
}

@media (max-width: 480px) {
    .main-content {
        padding: 1rem 0;
    }
    
    .stat-card {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
    }
    
    .stat-icon {
        width: 50px;
        height: 50px;
        font-size: 1.2rem;
    }
    
    .stat-number {
        font-size: 1.8rem;
    }
    
    .order-items {
        flex-direction: column;
    }
    
    .order-item {
        min-width: auto;
    }
}