/* Location Item Cards */
.location-item {
    border: 1px solid #dee2e6;
    transition: all 0.3s ease;
}

.location-item:hover {
    box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
}

/* Results Styling */
.results-table {
    width: 100%;
    margin-bottom: 1rem;
}

.results-table th {
    background-color: #f8f9fa;
    font-weight: 600;
    text-align: center;
    vertical-align: middle;
}

.results-table td {
    text-align: center;
    vertical-align: middle;
}

.distance-cell {
    font-weight: 500;
}

.best-distance {
    background-color: #d4edda;
    color: #155724;
    font-weight: bold;
}

.worst-distance {
    background-color: #f8d7da;
    color: #721c24;
}

.summary-stats {
    background-color: #f8f9fa;
    border-radius: 8px;
    padding: 1rem;
    margin-bottom: 1rem;
}

.stat-value {
    font-size: 1.5rem;
    font-weight: bold;
    color: #0d6efd;
}

/* Form Enhancements */
.form-control:focus {
    border-color: #86b7fe;
    box-shadow: 0 0 0 0.25rem rgba(13, 110, 253, 0.25);
}

.btn-primary {
    background-color: #0d6efd;
    border-color: #0d6efd;
}

.btn-primary:hover {
    background-color: #0b5ed7;
    border-color: #0a58ca;
}

/* Loading States */
.loading {
    opacity: 0.6;
    pointer-events: none;
}

.spinner-border-sm {
    width: 1rem;
    height: 1rem;
}

/* Hero Section */
.hero-section {
    background-color: #4f46e5 !important;
    background: linear-gradient(135deg, #4f46e5 0%, #7c3aed 100%) !important;
    min-height: 80vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    color: white !important;
    padding: 3rem 0;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, #4f46e5 0%, #7c3aed 100%);
    z-index: -1;
}

.hero-section * {
    position: relative;
    z-index: 1;
    color: inherit;
}

.hero-section h1,
.hero-section p,
.hero-section span,
.hero-section .btn {
    color: white !important;
}

.hero-section .btn-light {
    color: #333 !important;
}

.hero-stats {
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    background: rgba(255, 255, 255, 0.1);
}

.stat-item {
    text-align: center;
}

/* Feature Cards */
.feature-card {
    transition: all 0.3s ease;
    height: 100%;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 1rem 2rem rgba(0, 0, 0, 0.1);
    border-color: #0d6efd;
}

.feature-icon {
    text-align: center;
}

/* Step Cards */
.step-card {
    transition: all 0.3s ease;
}

.step-card:hover {
    transform: translateY(-3px);
}

.step-number {
    text-align: center;
}

/* Calculator Section Enhancements */
#calculator .card {
    border: none;
    box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.1);
}

#calculator .card-header {
    border-bottom: none;
    font-weight: 600;
}

/* Input Group Styling */
.input-group-text {
    background-color: #f8f9fa;
    border-color: #ced4da;
    font-weight: 500;
}

/* FAQ Section */
.accordion-button {
    font-weight: 500;
    background-color: #f8f9fa;
}

.accordion-button:not(.collapsed) {
    background-color: #e7f1ff;
    border-color: #b6d7ff;
}

.accordion-button:focus {
    box-shadow: 0 0 0 0.25rem rgba(13, 110, 253, 0.25);
}

/* General Improvements */
.display-4, .display-5 {
    font-weight: 700;
}

.lead {
    font-size: 1.15rem;
    font-weight: 400;
}

/* Button Enhancements */
.btn-light:hover {
    background-color: #f8f9fa;
    border-color: #f8f9fa;
    transform: translateY(-1px);
    box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
}

.btn-lg {
    padding: 0.75rem 2rem;
    font-size: 1.1rem;
    border-radius: 0.5rem;
}

.btn-warning {
    background-color: #ffc107;
    border-color: #ffc107;
    color: #000;
}

.btn-warning:hover {
    background-color: #ffcd39;
    border-color: #ffc720;
    color: #000;
}

/* Responsive Improvements */
@media (max-width: 768px) {
    .hero-section {
        min-height: 60vh;
        text-align: center;
    }

    .display-4 {
        font-size: 2.5rem;
    }

    .display-5 {
        font-size: 2rem;
    }

    .hero-stats {
        margin-top: 2rem;
    }

    .feature-card {
        margin-bottom: 1rem;
    }

    .location-item .row {
        flex-direction: column;
    }

    .location-item .col-md-8,
    .location-item .col-md-3,
    .location-item .col-md-1 {
        margin-bottom: 0.5rem;
    }

    #clearAllData {
        margin-top: 1rem;
        width: 100%;
    }

    #map {
        height: 300px;
    }

    .map-legend {
        flex-direction: column;
        gap: 0.5rem;
    }

    .legend-item {
        font-size: 0.8rem;
    }
}

/* Progress Modal Styling */
.progress-steps .step-indicator {
    opacity: 0.4;
    transition: all 0.3s ease;
}

.progress-steps .step-indicator.active {
    opacity: 1;
    color: #0d6efd;
}

.progress-steps .step-indicator.completed {
    opacity: 1;
    color: #198754;
}

.progress-modal-progress {
    height: 10px;
}

.progress-modal-spinner {
    width: 2rem;
    height: 2rem;
}

/* Smooth Scrolling */
html {
    scroll-behavior: smooth;
}

/* Container Empty State */
#warehousesContainer:empty,
#customersContainer:empty {
    min-height: 120px;
    display: flex;
    align-items: center;
    justify-content: center;
}

#resultsContainer:empty {
    min-height: 120px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Animation for cards */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

/* Table Hover Effects */
.table tbody tr:hover {
    background-color: rgba(13, 110, 253, 0.05);
}

/* Icon Styling */
.fas, .far, .fab, .fal {
    line-height: 1;
}

/* Shadow Utilities */
.shadow-sm {
    box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075) !important;
}

/* Text Utilities */
.text-muted {
    color: #6c757d !important;
}

/* Spacing Utilities */
.py-5 {
    padding-top: 3rem !important;
    padding-bottom: 3rem !important;
}

/* Location Card Enhancements */
.location-item .card-body {
    padding: 1rem;
}

.location-item input[type="text"] {
    border-radius: 0.375rem;
}

/* Results Table Styling */
.distance-matrix-table {
    font-size: 0.9rem;
    border-collapse: separate;
    border-spacing: 0;
    border-radius: 0.5rem;
    overflow: hidden;
    box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
}

.distance-matrix-table th:first-child,
.distance-matrix-table td:first-child {
    background-color: #f8f9fa;
    font-weight: 600;
    position: sticky;
    left: 0;
    z-index: 1;
}

.distance-matrix-table th {
    background-color: #e9ecef;
    border-bottom: 2px solid #dee2e6;
    font-weight: 600;
    font-size: 0.85rem;
    white-space: nowrap;
    padding: 0.75rem 0.5rem;
}

.distance-matrix-table td {
    border-bottom: 1px solid #dee2e6;
    border-right: 1px solid #dee2e6;
    padding: 0.75rem 0.5rem;
    white-space: nowrap;
}

/* API Key Security */
.api-key-input {
    position: relative;
}

.api-key-toggle {
    position: absolute;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
    border: none;
    background: none;
    color: #6c757d;
    cursor: pointer;
}

.api-key-toggle:hover {
    color: #495057;
}

/* Status Indicators */
.status-indicator {
    display: inline-block;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    margin-right: 0.5rem;
}

.status-ready {
    background-color: #198754;
}

.status-error {
    background-color: #dc3545;
}

.status-loading {
    background-color: #ffc107;
    animation: pulse 1.5s ease-in-out infinite;
}

@keyframes pulse {
    0% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
    100% {
        opacity: 1;
    }
}

/* Loading Overlay */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
}

.loading-content {
    background: white;
    padding: 2rem;
    border-radius: 0.5rem;
    text-align: center;
    box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.3);
}

/* Alert Enhancements */
.alert {
    border-radius: 0.5rem;
    border: none;
    box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
}

.alert-warning {
    background-color: #fff3cd;
    color: #856404;
}

.alert-success {
    background-color: #d1e7dd;
    color: #0a3622;
}

.alert-danger {
    background-color: #f8d7da;
    color: #58151c;
}

/* Export Button Styling */
#exportResults {
    transition: all 0.3s ease;
}

#exportResults:hover {
    transform: translateY(-1px);
    box-shadow: 0 0.25rem 0.5rem rgba(0, 0, 0, 0.1);
}

/* Autocomplete Styling */
.autocomplete-enabled {
    border-left: 4px solid #28a745 !important;
    background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="%2328a745" viewBox="0 0 16 16"><path d="M11.742 10.344a6.5 6.5 0 1 0-1.397 1.398h-.001c.03.04.062.078.098.115l3.85 3.85a1 1 0 0 0 1.415-1.414l-3.85-3.85a1.007 1.007 0 0 0-.115-.1zM12 6.5a5.5 5.5 0 1 1-11 0 5.5 5.5 0 0 1 11 0z"/></svg>') !important;
    background-repeat: no-repeat !important;
    background-position: right 10px center !important;
    background-size: 16px !important;
    padding-right: 35px !important;
}

.autocomplete-enabled:focus {
    border-left-color: #20c997 !important;
    box-shadow: 0 0 0 0.25rem rgba(40, 167, 69, 0.25) !important;
}

/* Google Places Autocomplete Dropdown Styling */
.pac-container {
    border-radius: 8px !important;
    border: 1px solid #dee2e6 !important;
    box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15) !important;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif !important;
    margin-top: 2px !important;
}

.pac-item {
    border-bottom: 1px solid #f1f3f4 !important;
    padding: 12px 16px !important;
    cursor: pointer !important;
    transition: background-color 0.2s ease !important;
}

.pac-item:hover, .pac-item-selected {
    background-color: #f8f9fa !important;
}

.pac-item:last-child {
    border-bottom: none !important;
}

.pac-icon {
    margin-right: 12px !important;
    width: 20px !important;
    height: 20px !important;
}

.pac-item-query {
    font-weight: 500 !important;
    color: #495057 !important;
}

.pac-matched {
    font-weight: 600 !important;
    color: #0d6efd !important;
}

/* Autocomplete loading state */
.autocomplete-loading {
    background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="%236c757d" viewBox="0 0 16 16"><path d="M8 3.5a.5.5 0 0 0-1 0V9a.5.5 0 0 0 .252.434l3.5 2a.5.5 0 0 0 .496-.868L8 8.71V3.5z"/><path d="M8 16A8 8 0 1 0 8 0a8 8 0 0 0 0 16zm7-8A7 7 0 1 1 1 8a7 7 0 0 1 14 0z"/></svg>') !important;
    background-repeat: no-repeat !important;
    background-position: right 10px center !important;
    background-size: 16px !important;
    animation: spin 1s linear infinite !important;
}

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

/* Map Visualization Styling */
#mapContainer {
    display: none;
}

#map {
    height: 500px;
    border-radius: 8px;
    border: 2px solid #e9ecef;
}

.map-legend {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    padding: 1rem;
    background-color: #f8f9fa;
    border-radius: 8px;
    border: 1px solid #e9ecef;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem;
    background: white;
    border-radius: 4px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.legend-color {
    width: 20px;
    height: 4px;
    border-radius: 2px;
}

.legend-text {
    font-size: 0.9rem;
    font-weight: 500;
}

/* Share Button Initial State */
.share-btn-hidden {
    display: none !important;
}