/* ============================================
   LAYER PANEL STYLES
   ============================================ */

.layer-panel {
    position: fixed;
    top: calc(var(--header-height) + 10px);
    left: calc(var(--toolbar-width) + 10px);
    width: 200px;
    background: var(--bg-panel);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border-medium);
    border-radius: var(--radius-lg);
    z-index: 1200;
    box-shadow: var(--shadow-lg);
    animation: slideInLeft var(--duration-normal) var(--ease-out);
}

.layer-panel-header {
    padding: 10px 14px;
    border-bottom: 1px solid var(--border-medium);
}

.layer-panel-title {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-secondary);
    letter-spacing: 0.3px;
}

.layer-panel-body {
    padding: 8px 10px;
}

/* ---- TOGGLE ROWS ---- */
.layer-toggle {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 6px 4px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: background var(--duration-fast) var(--ease-out);
    user-select: none;
}

.layer-toggle:hover {
    background: var(--bg-hover);
}

.layer-toggle-label {
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
    letter-spacing: 0.2px;
}

.layer-toggle:hover .layer-toggle-label {
    color: var(--text-primary);
}

/* ---- SWITCH ---- */
.layer-toggle-switch {
    width: 32px;
    height: 16px;
    background: var(--bg-base);
    border: 1px solid var(--border-medium);
    border-radius: 8px;
    position: relative;
    flex-shrink: 0;
    transition: background var(--duration-fast) var(--ease-out), border-color var(--duration-fast) var(--ease-out);
}

.layer-toggle-switch.on {
    background: var(--accent-primary-dim);
    border-color: var(--accent-primary);
}

.layer-toggle-knob {
    position: absolute;
    top: 2px;
    left: 2px;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--text-muted);
    transition: transform var(--duration-fast) var(--ease-out), background var(--duration-fast) var(--ease-out);
}

.layer-toggle-switch.on .layer-toggle-knob {
    transform: translateX(16px);
    background: var(--accent-primary);
}

/* ---- RESPONSIVE ---- */
@media (max-width: 640px) {
    .layer-panel {
        left: calc(var(--toolbar-width) + 6px);
        width: 180px;
    }
}