/* CSS Variables */
:root {
    --primary-color: #0d6efd;
    --success-color: #28a745;
    --border-radius: 0.75rem;
    --card-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
    --card-shadow-hover: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
    --transition: all 0.3s ease;
}

/* Page Header */
.page-header {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    padding: 3rem 0;
    margin-bottom: 2rem;
    border-bottom: 1px solid #dee2e6;
}

.page-header h1 {
    color: #212529;
    font-weight: 700;
}

/* Filter Card */
.filter-card {
    border-radius: var(--border-radius);
    border: none;
    box-shadow: var(--card-shadow);
    position: sticky;
    top: 1rem;
}

.filter-card .card-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, #0056b3 100%);
    color: white;
    border-radius: var(--border-radius) var(--border-radius) 0 0;
    padding: 1rem 1.25rem;
    border: none;
}

/* Autocomplete Styles */
.autocomplete-wrapper {
    position: relative;
}

.autocomplete-items {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: white;
    border: 1px solid #ced4da;
    border-top: none;
    border-radius: 0 0 0.375rem 0.375rem;
    box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
    z-index: 1000;
    max-height: 200px;
    overflow-y: auto;
    display: none;
}

.autocomplete-items div {
    padding: 0.75rem 1rem;
    cursor: pointer;
    border-bottom: 1px solid #f8f9fa;
    transition: var(--transition);
}

.autocomplete-items div:hover {
    background-color: #f8f9fa;
    color: var(--primary-color);
}

.autocomplete-items div:last-child {
    border-bottom: none;
}

/* Filter Sections */
.filter-section {
    margin-bottom: 1.5rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid #f8f9fa;
}

.filter-section:last-child {
    border-bottom: none;
    margin-bottom: 0;
}

.filter-section h6 {
    color: #495057;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* Date Range */
.date-range-container {
    display: flex;
    gap: 0.75rem;
    align-items: center;
}

.date-range-container span {
    color: #6c757d;
    font-weight: 500;
}

/* Checkbox Group */
.checkbox-group {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.form-check {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem;
    border-radius: 0.5rem;
    transition: var(--transition);
}

.form-check:hover {
    background-color: #f8f9fa;
}

/* Search Results */
.search-results-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    padding: 1rem;
    background: #f8f9fa;
    border-radius: var(--border-radius);
}

/* Shipment Cards */
.shipment-card {
    border-radius: var(--border-radius);
    margin-bottom: 1.5rem;
    border: none;
    box-shadow: var(--card-shadow);
    transition: all 0.3s ease;
    background: white;
    overflow: hidden;
    position: relative;
}

.shipment-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--card-shadow-hover);
}

.shipment-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(135deg, var(--primary-color) 0%, #0056b3 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.shipment-card:hover::before {
    opacity: 1;
}

/* Card Elements */
.card-title {
    color: #212529;
    font-weight: 600;
    margin: 0;
    font-size: 1.1rem;
}

.price-display {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--success-color);
    display: flex;
    align-items: center;
    gap: 0.25rem;
    background: linear-gradient(135deg, #e8f5e8 0%, #f0f9f0 100%);
    padding: 0.5rem 1rem;
    border-radius: 2rem;
    border: 2px solid #d4edda;
}

.card-info {
    display: flex;
    align-items: center;
    margin-bottom: 0.75rem;
    padding: 0.75rem;
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
    border-radius: 0.75rem;
    transition: var(--transition);
    border: 1px solid #e9ecef;
}

.card-info:hover {
    background: linear-gradient(135deg, #e9ecef 0%, #f8f9fa 100%);
    transform: translateX(5px);
}

.card-icon {
    font-size: 1.2rem;
    margin-right: 1rem;
    color: var(--primary-color);
    width: 24px;
    text-align: center;
}

/* Shipping Type Badges */
.shipping-type-badge {
    padding: 0.5rem 1rem;
    font-size: 0.8rem;
    font-weight: 600;
    border-radius: 2rem;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    border: 2px solid;
    transition: var(--transition);
}

.shipping-type-badge.carry-on {
    background: linear-gradient(135deg, #e3f2fd 0%, #f0f8ff 100%);
    color: #1976d2;
    border-color: #bbdefb;
}

.shipping-type-badge.checked-bag {
    background: linear-gradient(135deg, #f3e5f5 0%, #faf0fb 100%);
    color: #7b1fa2;
    border-color: #e1bee7;
}

.shipping-type-badge.any {
    background: linear-gradient(135deg, #e8f5e8 0%, #f0f9f0 100%);
    color: #388e3c;
    border-color: #c8e6c9;
}

/* Buttons */
.btn {
    border-radius: 0.75rem;
    padding: 0.75rem 1.5rem;
    font-weight: 600;
    transition: var(--transition);
    border: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
    position: relative;
    overflow: hidden;
}

.btn-details {
    background: transparent;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
}

.btn-details:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(13, 110, 253, 0.3);
}

.btn-accept {
    background: linear-gradient(135deg, var(--success-color) 0%, #1e7e34 100%);
    color: white;
    border: 2px solid var(--success-color);
}

.btn-accept:hover {
    background: linear-gradient(135deg, #1e7e34 0%, #155724 100%);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(40, 167, 69, 0.3);
}

/* Empty Results */
.empty-results {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 4rem 2rem;
    background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
    border-radius: var(--border-radius);
    box-shadow: var(--card-shadow);
    text-align: center;
    border: 2px dashed #dee2e6;
}

.empty-results-icon {
    font-size: 4rem;
    color: #6c757d;
    margin-bottom: 1.5rem;
    opacity: 0.7;
}

/* Animations */
.fade-in {
    animation: fadeInUp 0.6s ease-out;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from { 
        opacity: 0; 
        transform: translateY(10px); 
    }
    to { 
        opacity: 1; 
        transform: translateY(0); 
    }
}

/* Loading States */
.btn-accept.loading {
    pointer-events: none;
    opacity: 0.7;
}

.btn-accept.loading i {
    animation: spin 1s linear infinite;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* Responsive Design */
@media (max-width: 768px) {
    .search-results-info {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
    
    .price-display {
        font-size: 1.25rem;
        padding: 0.4rem 0.8rem;
    }
    
    .card-actions .d-flex {
        flex-direction: column;
        gap: 0.75rem;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
}

@media (max-width: 576px) {
    .date-range-container {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .checkbox-group {
        gap: 0.5rem;
    }
    
    .card-info {
        padding: 0.5rem;
        font-size: 0.9rem;
    }
}

.packages-container {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}