/* Layer Switcher */
.layer-switcher {
    position: fixed;
    bottom: 20px;
    left: 16px;
    z-index: var(--z-controls);
    font-family: 'Inter', sans-serif;
}

/* Adjust Legend Panel position to not overlap */
.legend-panel {
    bottom: 90px;
    left: 16px;
    transition: var(--transition-normal);
}

/* Move Legend up when Layer Switcher is hovered/active */
.layer-switcher:hover~.legend-panel {
    transform: translateY(-80px);
}

.layer-toggle {
    width: 64px;
    height: 64px;
    background: rgba(0, 0, 0, 0.65);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-radius: 20px;
    padding: 4px;
    cursor: pointer;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
    border: 1px solid rgba(255, 255, 255, 0.15);
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.layer-toggle:hover {
    transform: scale(1.05);
    border-color: var(--color-primary);
}

.layer-toggle span {
    position: absolute;
    bottom: 4px;
    left: 0;
    right: 0;
    text-align: center;
    font-size: 11px;
    color: white;
    font-weight: 600;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.8);
    z-index: 2;
}

.layer-preview {
    width: 100%;
    height: 100%;
    border-radius: 16px;
    /* Match inner radius */
    background-size: cover;
    background-position: center;
}

/* Simulated Map Previews with CSS Gradients */
.standard-preview {
    background-image: url('https://mt1.google.com/vt/lyrs=m&x=15&y=10&z=5');
}

.traffic-preview {
    background-image: url('https://mt1.google.com/vt/lyrs=m,traffic&x=15&y=10&z=5');
}

.apple-preview {
    background-image: url('https://a.basemaps.cartocdn.com/rastertiles/voyager/5/15/10.png');
    filter: invert(100%) hue-rotate(180deg) brightness(95%) contrast(90%);
}

.satellite-preview {
    background-image: url('https://server.arcgisonline.com/ArcGIS/rest/services/World_Imagery/MapServer/tile/4/5/8');
}

.dark-preview {
    background-image: url('https://a.basemaps.cartocdn.com/dark_all/5/15/10.png');
}

.light-preview {
    background-image: url('https://a.basemaps.cartocdn.com/light_all/5/15/10.png');
}

/* Expandable Panel */
.layer-panel {
    position: absolute;
    bottom: 0;
    left: 0;
    background: rgba(0, 0, 0, 0.65);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    padding: 16px;
    border-radius: 24px;
    border: 1px solid rgba(255, 255, 255, 0.15);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
    opacity: 0;
    visibility: hidden;
    transform: scale(0.9) origin(bottom left);
    transition: var(--transition-normal);
    width: max-content;
}

.layer-switcher:hover .layer-panel {
    opacity: 1;
    visibility: visible;
    transform: scale(1);
}

/* Hide the toggle button when panel is open */
.layer-switcher:hover .layer-toggle {
    opacity: 0;
    pointer-events: none;
}

.layer-options {
    display: flex;
    gap: 16px;
    padding: 0 4px;
}

.layer-option {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    transition: var(--transition-fast);
}

.layer-option:hover {
    transform: translateY(-2px);
}

.layer-option.active span {
    color: var(--color-primary);
    font-weight: 700;
}

.layer-option.active .option-preview {
    box-shadow: 0 0 0 2px var(--color-primary);
}

.option-preview {
    width: 64px;
    height: 64px;
    border-radius: 16px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
    border: 2px solid rgba(255, 255, 255, 0.1);
    transition: all 0.2s ease;
    background-size: cover;
    background-position: center;
}

.layer-option span {
    font-size: 12px;
    color: #d1d5db;
    font-weight: 500;
}