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

:root {
    --primary-color: #2563eb;
    --primary-hover: #1d4ed8;
    --secondary-color: #64748b;
    --danger-color: #dc2626;
    --success-color: #16a34a;
    --background: #f8fafc;
    --card-background: #ffffff;
    --text-primary: #0f172a;
    --text-secondary: #64748b;
    --border-color: #e2e8f0;
    --shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: var(--background);
    color: var(--text-primary);
    line-height: 1.6;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem;
}

/* Header */
header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    flex-wrap: wrap;
    gap: 1rem;
}

header h1 {
    font-size: 2rem;
    color: var(--text-primary);
}

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

/* Buttons */
.btn-primary, .btn-secondary, .btn-danger, .btn-back {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}

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

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

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

.btn-secondary:hover {
    background: var(--background);
}

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

.btn-danger:hover {
    background: #b91c1c;
}

.btn-back {
    background: transparent;
    color: var(--text-secondary);
    padding: 0.5rem 1rem;
}

.btn-back:hover {
    background: var(--background);
}

/* Trip Grid */
.trip-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 1.5rem;
}

.trip-card {
    background: var(--card-background);
    border-radius: 12px;
    padding: 1.5rem;
    box-shadow: var(--shadow);
    cursor: pointer;
    transition: all 0.2s;
    border: 1px solid var(--border-color);
}

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

.trip-card h3 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.trip-card-date {
    color: var(--text-secondary);
    font-size: 0.875rem;
    margin-bottom: 1rem;
}

.trip-card-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.75rem;
}

.stat-item {
    display: flex;
    flex-direction: column;
}

.stat-label {
    font-size: 0.75rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.stat-value {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 4rem 2rem;
    color: var(--text-secondary);
}

.empty-state svg {
    margin-bottom: 1rem;
    opacity: 0.3;
}

.empty-state h2 {
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.empty-state p {
    margin-bottom: 2rem;
}

/* Trip Form */
.trip-form {
    background: var(--card-background);
    border-radius: 12px;
    padding: 2rem;
    box-shadow: var(--shadow);
}

.form-section {
    margin-bottom: 2rem;
}

.form-section h2 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--text-primary);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    font-family: inherit;
    transition: border-color 0.2s;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
}

.form-actions {
    display: flex;
    gap: 1rem;
    justify-content: flex-end;
    margin-top: 2rem;
}

/* Photo Preview */
.photo-preview {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
    gap: 0.5rem;
    margin-top: 0.5rem;
}

.photo-preview-item {
    position: relative;
    aspect-ratio: 1;
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid var(--border-color);
}

.photo-preview-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.photo-preview-remove {
    position: absolute;
    top: 4px;
    right: 4px;
    background: rgba(220, 38, 38, 0.9);
    color: white;
    border: none;
    border-radius: 50%;
    width: 24px;
    height: 24px;
    cursor: pointer;
    font-size: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Map */
.map-container {
    height: 500px !important;
    min-height: 500px !important;
    width: 100%;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    margin-top: 1rem;
    position: relative;
    background: #ddd;
    display: block !important;
}

.detail-map-container {
    height: 600px !important;
    min-height: 600px !important;
    width: 100%;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow);
    position: relative;
    background: #ddd;
    display: block !important;
}

/* Critical: Ensure Leaflet map fills container */
#map, #detailMap {
    height: 100% !important;
    width: 100% !important;
    min-height: 500px !important;
    border-radius: inherit;
    position: relative !important;
}

/* Override any Leaflet defaults */
.leaflet-container {
    height: 100% !important;
    width: 100% !important;
    min-height: inherit !important;
    border-radius: inherit;
}

.leaflet-pane,
.leaflet-tile-pane,
.leaflet-overlay-pane {
    z-index: auto;
}

.map-instructions {
    color: var(--text-secondary);
    font-size: 0.875rem;
    margin-bottom: 1rem;
}

.map-controls {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1rem;
    flex-wrap: wrap;
    align-items: center;
}

.zoom-status {
    color: var(--text-secondary);
    font-size: 0.875rem;
    margin-left: auto;
}

/* Trip Detail */
.trip-detail-container {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.trip-info {
    background: var(--card-background);
    border-radius: 12px;
    padding: 2rem;
    box-shadow: var(--shadow);
    width: 100%;
}

.trip-map {
    width: 100%;
}

.detail-map-container {
    height: 500px;
    width: 100%;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow);
    position: relative;
    background: #ddd;
}

.trip-info h1 {
    font-size: 2rem;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
    word-wrap: break-word;
}

.trip-meta {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    margin-bottom: 2rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--border-color);
}

.meta-item {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.meta-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.meta-value {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
}

.trip-description {
    margin-bottom: 2rem;
}

.trip-description h3 {
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}

.trip-description p {
    color: var(--text-secondary);
    line-height: 1.7;
}

.photo-gallery-container {
    margin-top: 2rem;
}

.photo-gallery-container h3 {
    margin-bottom: 1rem;
}

.photo-gallery {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    max-width: 100%;
}

.photo-gallery::-webkit-scrollbar {
    height: 8px;
}

.photo-gallery::-webkit-scrollbar-track {
    background: var(--background);
    border-radius: 4px;
}

.photo-gallery::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}

.photo-gallery::-webkit-scrollbar-thumb:hover {
    background: var(--secondary-color);
}

.gallery-photo {
    flex: 0 0 150px;
    height: 120px;
    border-radius: 8px;
    overflow: hidden;
    cursor: pointer;
    border: 1px solid var(--border-color);
}

.gallery-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.2s;
}

.gallery-photo:hover img {
    transform: scale(1.05);
}

.no-photos {
    color: var(--text-secondary);
    font-style: italic;
}

.trip-map {
    position: sticky;
    top: 2rem;
    height: fit-content;
}



/* Photo Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    padding-top: 50px;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.9);
}

.modal-content {
    margin: auto;
    display: block;
    max-width: 90%;
    max-height: 80%;
    border-radius: 8px;
    margin-top: 8%;
}

.modal-close {
    position: absolute;
    top: 20px;
    right: 40px;
    color: #f1f1f1;
    font-size: 40px;
    font-weight: bold;
    cursor: pointer;
}

.modal-close:hover {
    color: #bbb;
}

.modal-nav {
    position: absolute;
    top: 50%;
    width: 100%;
    display: flex;
    justify-content: space-between;
    padding: 0 20px;
}

.modal-nav-btn {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    border: none;
    font-size: 30px;
    padding: 10px 20px;
    cursor: pointer;
    border-radius: 4px;
}

.modal-nav-btn:hover {
    background: rgba(255, 255, 255, 0.3);
}

/* Responsive */
@media (max-width: 1024px) {
    .trip-detail-container {
        gap: 1.5rem;
    }
    
    .detail-map-container {
        height: 400px;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 1rem;
    }
    
    header h1 {
        font-size: 1.5rem;
    }
    
    .trip-grid {
        grid-template-columns: 1fr;
    }
    
    .trip-meta {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .map-container, .detail-map-container {
        height: 350px;
    }
    
    .trip-info {
        padding: 1.5rem;
    }
}