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

:root {
    --primary-color: #2563eb;
    --text-primary: #0f172a;
    --text-secondary: #64748b;
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --border-color: #e2e8f0;
    --success-color: #10b981;
    --gradient-brand: linear-gradient(135deg, #2563eb 0%, #7c3aed 100%);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--bg-secondary);
    color: var(--text-primary);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.orders-nav {
    background: white;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
    padding: 1rem 0;
    margin-bottom: 2rem;
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    background: var(--gradient-brand);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-decoration: none;
}

.nav-links {
    display: flex;
    gap: 2rem;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--primary-color);
}

.orders-container {
    padding-bottom: 4rem;
}

.page-title {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 2rem;
}

.orders-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.order-card {
    background: white;
    border-radius: 16px;
    padding: 2rem;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

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

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

.order-number {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
}

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

.order-status {
    padding: 0.5rem 1rem;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 700;
}

.status-paid {
    background: #d1fae5;
    color: var(--success-color);
}

.status-pending {
    background: #fef3c7;
    color: #f59e0b;
}

.order-items {
    margin-bottom: 1.5rem;
}

.order-item {
    display: flex;
    justify-content: space-between;
    padding: 0.75rem 0;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border-color);
}

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

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

.order-total {
    display: flex;
    gap: 1rem;
    align-items: center;
    font-size: 1.1rem;
    font-weight: 600;
}

.total-amount {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary-color);
}

.btn-view {
    padding: 0.75rem 1.5rem;
    background: var(--gradient-brand);
    color: white;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-view:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.4);
}

.empty-state {
    text-align: center;
    padding: 4rem 2rem;
}

.empty-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
}

.empty-state h2 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

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

.btn {
    padding: 0.875rem 2rem;
    background: var(--gradient-brand);
    color: white;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 600;
    display: inline-block;
    transition: all 0.3s ease;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.4);
}

@media (max-width: 640px) {
    .order-header {
        flex-direction: column;
        gap: 1rem;
    }
    
    .order-footer {
        flex-direction: column;
        gap: 1rem;
        align-items: stretch;
    }
    
    .btn-view {
        text-align: center;
    }
}