:root {
    --primary-color: #3498db;
    --secondary-color: #2c3e50;
    --background-color: #ecf0f1;
    --text-color: #34495e;
    --card-background: #ffffff;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

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

body {
    font-family: 'Roboto', sans-serif;
    background-color: var(--background-color);
    color: var(--text-color);
    line-height: 1.6;
}

header {
    padding: 20px;
    background-color: var(--primary-color);
    color: white;
    text-align: center;
    box-shadow: var(--shadow);
}

h1 {
    font-size: 2em;
    font-weight: 300;
}

#search-container {
    margin: 20px auto;
    text-align: center;
}

#search-input {
    width: 80%;
    max-width: 500px;
    padding: 10px 15px;
    font-size: 1em;
    border-radius: 25px;
    border: none;
    box-shadow: var(--shadow);
    transition: box-shadow 0.3s ease;
}

#search-input:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.3);
}

.dashboard-container {
    display: flex;
    gap: 20px;
    padding: 20px;
    flex-wrap: wrap;
}

#image-list {
    flex: 1;
    max-height: 80vh;
    overflow-y: auto;
    background-color: var(--card-background);
    padding: 20px;
    border-radius: 10px;
    box-shadow: var(--shadow);
}

#map {
    flex: 1;
    height: 80vh;
    min-width: 300px;
    border-radius: 10px;
    box-shadow: var(--shadow);
}

.category, .subcategory {
    background-color: var(--card-background);
    border-radius: 8px;
    padding: 15px;
    margin-bottom: 15px;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
}

.category h2, .subcategory h3 {
    margin: 0;
    color: var(--secondary-color);
    cursor: pointer;
    font-size: 1.2em;
    font-weight: 500;
}

.category h2::before, .subcategory h3::before {
    content: '▼';
    display: inline-block;
    margin-right: 10px;
    transition: transform 0.3s ease;
}

.category.collapsed h2::before, .subcategory.collapsed h3::before {
    transform: rotate(-90deg);
}

.image-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 15px;
    margin-top: 15px;
}

.image-item {
    background-color: var(--card-background);
    border-radius: 8px;
    padding: 10px;
    box-shadow: var(--shadow);
    transition: transform 0.3s ease;
}

.image-item:hover {
    transform: translateY(-5px);
}

.image-item img {
    width: 100%;
    height: 150px;
    object-fit: cover;
    border-radius: 6px;
    cursor: pointer;
    transition: transform 0.3s ease;
}

.image-item:hover img {
    transform: scale(1.05);
}

.image-item p {
    margin: 8px 0;
    font-size: 0.9em;
}

.error-image {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    height: 150px;
    background-color: #fef2f2;
    color: #991b1b;
    font-size: 14px;
    text-align: center;
    border-radius: 6px;
}

.view-on-map {
    background-color: var(--primary-color);
    color: white;
    border: none;
    padding: 6px 12px;
    border-radius: 20px;
    cursor: pointer;
    font-size: 0.9em;
    margin-top: 8px;
    transition: background-color 0.3s ease;
}

.view-on-map:hover {
    background-color: #2980b9;
}

#modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0,0,0,0.8);
    opacity: 0;
    transition: opacity 0.3s ease;
}

#modal.show {
    opacity: 1;
}

#modal-content {
    display: block;
    margin: auto;
    max-width: 80%;
    max-height: 80%;
    border-radius: 8px;
    box-shadow: var(--shadow);
}

#modal-close {
    position: absolute;
    top: 15px;
    right: 25px;
    color: #f1f1f1;
    font-size: 35px;
    font-weight: bold;
    cursor: pointer;
}

@media (max-width: 768px) {
    .dashboard-container {
        flex-direction: column;
    }
    #image-list, #map {
        width: 100%;
        height: 50vh;
    }
}