body { margin: 0; padding: 0; font-family: sans-serif; }
#map { position: absolute; top: 0; bottom: 0; width: 100%; }

#loading-indicator {
    position: absolute;
    top: 10px;
    right: 10px;
    background: rgba(0, 0, 0, 0.7);
    color: white;
    padding: 10px 15px;
    border-radius: 5px;
    z-index: 2;
    font-size: 14px;
}

#basemap-switcher {
    position: absolute;
    top: 10px;
    right: 10px;
    z-index: 3;
    display: flex;
    align-items: center;
    gap: 8px;
}

#basemap-toggle {
    background: white;
    border: none;
    border-radius: 4px;
    width: 40px;
    height: 40px;
    cursor: pointer;
    box-shadow: 0 0 5px rgba(0,0,0,0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s;
    padding: 0;
    color: #333;
}

#basemap-toggle:hover {
    background: #f5f5f5;
}

#info-button {
    background: white;
    border: none;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    cursor: pointer;
    box-shadow: 0 0 5px rgba(0,0,0,0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    color: #333;
    transition: background 0.2s;
}

#info-button:hover {
    background: #f5f5f5;
}

a {
    color: #0b57d0;
    text-decoration: none;
}

/* Modal */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 16px;
}

.modal {
    background: white;
    border-radius: 8px;
    width: min(640px, 100%);
    max-height: 85vh;
    overflow: auto;
    box-shadow: 0 10px 30px rgba(0,0,0,0.25);
    padding: 18px 18px 14px;
    position: relative;
}

.modal-close {
    position: absolute;
    top: 10px;
    right: 10px;
    width: 34px;
    height: 34px;
    border: none;
    border-radius: 50%;
    background: #f3f4f6;
    cursor: pointer;
    font-size: 22px;
    line-height: 0;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-close span {
    margin-top: -2px;
}

.modal-close:hover {
    background: #e5e7eb;
}

.modal h1 {
    margin: 0 44px 20px 0;
    font-size: 24px;
}

.modal h2 {
    margin: 0 44px 10px 0;
    font-size: 18px;
}

.modal h3 {
    margin: 14px 0 8px;
    font-size: 14px;
}

.modal p {
    margin: 10px 0;
    font-size: 14px;
    line-height: 1.4;
}

.modal ul {
    margin: 8px 0 0 18px;
    padding: 0;
    font-size: 14px;
    line-height: 1.4;
}

.modal ul li {
    margin: 6px 0;
}

.modal .sources {
    margin-left: 18px;
}

.modal a {
    color: #0b57d0;
    text-decoration: none;
}

.modal a:hover {
    text-decoration: underline;
}

#basemap-menu {
    position: absolute;
    top: 45px;
    right: 0;
    background: white;
    border-radius: 4px;
    box-shadow: 0 0 10px rgba(0,0,0,0.2);
    overflow: hidden;
    min-width: 120px;
}

#basemap-menu button {
    display: block;
    width: 100%;
    padding: 10px 15px;
    border: none;
    background: white;
    text-align: left;
    cursor: pointer;
    font-size: 14px;
    transition: background 0.2s;
}

#basemap-menu button:hover {
    background: #f5f5f5;
}

#basemap-menu button.active {
    background: #e3f2fd;
    font-weight: bold;
}

#controls {
    position: absolute;
    top: 10px;
    left: 10px;
    background: white;
    padding: 15px;
    border-radius: 5px;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
    z-index: 1;
    width: 250px;
}

h3 { margin-top: 0; }

.control-group {
    margin-bottom: 15px;
}

select {
    width: 100%;
    padding: 5px;
}

.legend {
    margin-top: 10px;
}

.legend h4 {
    margin: 5px 0;
    font-size: 14px;
}

.legend-item {
    display: flex;
    align-items: center;
    margin-bottom: 5px;
    font-size: 12px;
}

.color-box {
    width: 20px;
    height: 20px;
    margin-right: 10px;
    border: 1px solid #ccc;
}

/* Mobile controls toggle */
#controls-toggle {
    display: none;
    position: absolute;
    top: -5px;
    right: -5px;
    background: white;
    border: none;
    border-radius: 50%;
    width: 32px;
    height: 32px;
    cursor: pointer;
    box-shadow: 0 2px 6px rgba(0,0,0,0.2);
    z-index: 2;
    padding: 0;
    place-items: center;
    line-height: 0;
}

#controls-toggle svg {
    margin: 0;
}

/* Mobile responsiveness */
@media (max-width: 768px) {
    #controls {
        top: auto;
        bottom: 10px;
        left: 10px;
        right: 10px;
        width: auto;
        max-height: 60vh;
        overflow-y: auto;
        padding: 10px;
    }
    
    #controls-toggle {
        display: grid;
    }
    
    #controls.collapsed #controls-content {
        display: none;
    }
    
    #controls.collapsed {
        width: 48px;
        height: 48px;
        padding: 0;
        bottom: 20px;
        left: 20px;
        right: auto;
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
    }
    
    #controls.collapsed #controls-toggle {
        position: static;
        box-shadow: none;
        width: 100%;
        height: 100%;
        border-radius: 50%;
        margin: 0;
    }
    
    .control-group {
        margin-bottom: 12px;
    }
    
    select, input[type="checkbox"] {
        min-height: 44px; /* Better touch target */
    }
    
    select {
        font-size: 16px; /* Prevent zoom on iOS */
        padding: 10px;
    }
    
    label {
        font-size: 14px;
    }
    
    .legend {
        font-size: 12px;
    }
    
    .legend h4 {
        font-size: 13px;
    }
    
    #basemap-switcher {
        top: 20px;
        right: 20px;
    }
    
    #basemap-toggle {
        width: 40px;
        height: 40px;
    }

    #info-button {
        width: 40px;
        height: 40px;
    }
    
    #basemap-menu button {
        padding: 12px 15px;
        font-size: 16px;
    }
    
    #loading-indicator {
        top: 20px;
        right: 80px;
        font-size: 12px;
        padding: 8px 12px;
    }
}

@media (max-width: 480px) {
    #controls {
        padding: 8px;
    }
    
    .legend-item {
        font-size: 11px;
    }
    
    .color-box {
        width: 16px;
        height: 16px;
        margin-right: 8px;
    }
}