/* Layer Tree Styles */
.layer-tree {
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding: 8px;
    margin-top: 8px;
}

/* Layer Group */
.layer-group {
    background: rgba(245, 245, 247, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.layer-group:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.layer-group-header {
    padding: 16px;
    display: flex;
    align-items: center;
    gap: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
    user-select: none;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.layer-group-header:hover {
    background: rgba(0, 122, 255, 0.08);
}

.layer-group-header i {
    font-size: 16px;
    color: #007AFF;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.layer-group-header.collapsed i {
    transform: rotate(-90deg);
}

.layer-group-header span {
    flex: 1;
    font-weight: 600;
    font-size: 15px;
    letter-spacing: -0.3px;
    color: #1D1D1F;
}

/* Layer Items */
.layer-items {
    background: transparent;
    transition: max-height 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    overflow: hidden;
}

.layer-items.collapsed {
    max-height: 0;
}

.layer-item {
    padding: 12px 16px 12px 44px;
    display: flex;
    align-items: center;
    gap: 12px;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    font-size: 14px;
    letter-spacing: -0.2px;
    color: #1D1D1F;
}

.layer-item:last-child {
    border-bottom: none;
}

.layer-item:hover {
    background: rgba(0, 122, 255, 0.08);
}

/* Layer Controls */
.layer-controls {
    display: flex;
    gap: 8px;
    margin-left: auto;
}

.layer-control-btn {
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 14px;
    background: rgba(0, 122, 255, 0.1);
    color: #007AFF;
    border: none;
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    font-size: 14px;
}

.layer-control-btn:hover {
    background: #007AFF;
    color: white;
    transform: scale(1.05);
}

.layer-control-btn:active {
    transform: scale(0.95);
}

/* Custom Checkbox Styles */
.layer-toggle input[type="checkbox"],
.layer-item input[type="checkbox"] {
    appearance: none;
    -webkit-appearance: none;
    width: 40px;
    height: 24px;
    border-radius: 12px;
    background: rgba(120, 120, 128, 0.32);
    position: relative;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    flex-shrink: 0;
}

.layer-toggle input[type="checkbox"]:checked,
.layer-item input[type="checkbox"]:checked {
    background: #34C759;
}

.layer-toggle input[type="checkbox"]::before,
.layer-item input[type="checkbox"]::before {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    background: white;
    border-radius: 50%;
    top: 2px;
    left: 2px;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.layer-toggle input[type="checkbox"]:checked::before,
.layer-item input[type="checkbox"]:checked::before {
    transform: translateX(16px);
}

/* Search Bar */
.search-layers {
    margin: 16px;
    position: relative;
}

.search-layers input {
    width: 100%;
    padding: 12px 16px 12px 40px;
    border-radius: 12px;
    border: none;
    background: rgba(245, 245, 247, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    font-size: 15px;
    letter-spacing: -0.2px;
    color: #1D1D1F;
    transition: all 0.2s ease;
}

.search-layers input:focus {
    background: white;
    box-shadow: 0 0 0 3px rgba(0, 122, 255, 0.2);
    outline: none;
}

.search-layers i {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: #8E8E93;
    font-size: 16px;
}

/* Dark theme adjustments */
[data-theme="dark"] .layer-group {
    background: rgba(28, 28, 30, 0.85);
}

[data-theme="dark"] .layer-group-header span {
    color: white;
}

[data-theme="dark"] .layer-item {
    color: white;
    border-color: rgba(255, 255, 255, 0.1);
}

[data-theme="dark"] .search-layers input {
    background: rgba(28, 28, 30, 0.85);
    color: white;
}

[data-theme="dark"] .search-layers input:focus {
    background: rgba(28, 28, 30, 0.95);
}

/* Responsive Adjustments */
@media (max-width: 768px) {
    .layer-group-header {
        padding: 12px;
    }

    .layer-item {
        padding: 10px 12px 10px 36px;
    }

    .search-layers {
        margin: 12px;
    }

    .search-layers input {
        padding: 10px 12px 10px 36px;
        font-size: 14px;
    }
}