/* 主样式文件 */
:root {
    --primary-color: #4e73df;
    --secondary-color: #858796;
    --success-color: #1cc88a;
    --info-color: #36b9cc;
    --warning-color: #f6c23e;
    --danger-color: #e74a3b;
    --light-color: #f8f9fc;
    --dark-color: #5a5c69;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f8f9fc;
    color: #333;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.navbar {
    background-color: #fff;
    box-shadow: 0 0.15rem 1.75rem 0 rgba(58, 59, 69, 0.15);
    padding: 1rem 0;
}

.navbar-brand {
    font-weight: 700;
    color: var(--primary-color);
    font-size: 1.5rem;
}

.navbar-nav .nav-link {
    color: #6e707e;
    font-weight: 500;
    padding: 0.5rem 1rem;
    transition: all 0.3s;
}

.navbar-nav .nav-link:hover,
.navbar-nav .nav-link.active {
    color: var(--primary-color);
}

.main-container {
    flex: 1;
    padding: 2rem 0;
}

.card {
    border: none;
    border-radius: 0.5rem;
    box-shadow: 0 0.15rem 1.75rem 0 rgba(58, 59, 69, 0.15);
    margin-bottom: 1.5rem;
}

.card-header {
    background-color: #fff;
    border-bottom: 1px solid #e3e6f0;
    padding: 1rem 1.25rem;
    font-weight: 600;
    color: var(--dark-color);
}

.card-body {
    padding: 1.5rem;
}

.btn-primary {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    padding: 0.5rem 1.5rem;
    font-weight: 500;
}

.btn-primary:hover {
    background-color: #2e59d9;
    border-color: #2653d4;
}

.form-control {
    border: 1px solid #d1d3e2;
    border-radius: 0.35rem;
    padding: 0.75rem;
    transition: border-color 0.15s ease-in-out;
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(78, 115, 223, 0.25);
}

.form-label {
    font-weight: 500;
    color: var(--dark-color);
    margin-bottom: 0.5rem;
}

.alert {
    border-radius: 0.35rem;
    border: none;
    padding: 1rem 1.25rem;
}

.table {
    background-color: #fff;
    border-radius: 0.35rem;
    overflow: hidden;
}

.table thead th {
    background-color: #f8f9fc;
    border-bottom: 2px solid #e3e6f0;
    font-weight: 600;
    color: var(--dark-color);
}

.table tbody tr:hover {
    background-color: #f8f9fc;
}

.footer {
    background-color: #fff;
    border-top: 1px solid #e3e6f0;
    padding: 1.5rem 0;
    margin-top: auto;
}

.login-container {
    max-width: 400px;
    margin: 0 auto;
}

.login-card {
    margin-top: 3rem;
}

.profile-avatar {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    object-fit: cover;
    border: 4px solid #fff;
    box-shadow: 0 0.15rem 1.75rem 0 rgba(58, 59, 69, 0.15);
}

.order-status {
    padding: 0.25rem 0.75rem;
    border-radius: 1rem;
    font-size: 0.875rem;
    font-weight: 500;
}

.status-pending {
    background-color: #fef3cd;
    color: #856404;
}

.status-processing {
    background-color: #cce5ff;
    color: #004085;
}

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

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

.loading-spinner {
    display: none;
    width: 2rem;
    height: 2rem;
    border: 0.25rem solid #f3f3f3;
    border-top: 0.25rem solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto;
}

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

@media (max-width: 768px) {
    .main-container {
        padding: 1rem 0;
    }
    
    .card-body {
        padding: 1rem;
    }
    
    .navbar-nav {
        margin-top: 1rem;
    }
}