/* ============================================
   Right Panels & Sidebar Styles
   ============================================ */

.right-panels-wrapper {
    position: relative;
    display: flex;
    flex-shrink: 0;
}

.right-panels {
    width: 280px;
    background: var(--bg-dark);
    border-left: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    overflow-y: auto;
    overflow-x: hidden;
    transition: width 0.25s ease, opacity 0.25s ease;
}

/* Sidebar Toggle Button */
.sidebar-toggle {
    position: absolute;
    left: -16px;
    top: 50%;
    transform: translateY(-50%);
    width: 16px;
    height: 56px;
    background: var(--bg-dark);
    border: 1px solid var(--border);
    border-right: none;
    border-radius: 4px 0 0 4px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    z-index: 100;
    transition: background 0.15s, color 0.15s;
}

.sidebar-toggle:hover {
    background: var(--bg-light);
    color: var(--text-primary);
}

.sidebar-toggle svg {
    width: 10px;
    height: 10px;
    transition: transform 0.25s ease;
}

/* Collapsed state */
.right-panels-wrapper.collapsed .right-panels {
    width: 0;
    overflow: hidden;
    border-left: none;
}

.right-panels-wrapper.collapsed .sidebar-toggle svg {
    transform: rotate(180deg);
}

.panel { 
    border-bottom: 1px solid var(--border);
    flex-shrink: 0;
    position: relative;
    background: var(--bg-dark);
}

/* Draggable panel styles */
.panel.dragging {
    opacity: 0.8;
    z-index: 1000;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
}

.panel.drag-over {
    border-top: 2px solid var(--accent);
}

.panel-placeholder {
    background: var(--accent);
    opacity: 0.15;
    border-radius: 3px;
    margin: 2px 4px;
    transition: height 0.15s ease;
}

.panel-header {
    height: 28px;
    background: var(--bg-medium);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 10px;
    cursor: pointer;
    position: relative;
    z-index: 2;
    flex-shrink: 0;
}

.panel-header:hover { background: var(--bg-light); }

/* Drag handle indicator */
.panel-header::before {
    content: '⋮⋮';
    font-size: 10px;
    color: var(--text-dim);
    margin-right: 6px;
    cursor: grab;
    letter-spacing: -2px;
}

.panel-header:active::before {
    cursor: grabbing;
}

.panel-title { font-size: 11px; font-weight: 500; text-transform: uppercase; letter-spacing: 0.5px; }
.panel-toggle { 
    font-size: 10px; 
    color: var(--text-dim);
    transition: transform 0.2s ease;
}
.panel.collapsed .panel-toggle { transform: rotate(-90deg); }
.panel.collapsed .panel-content { display: none; }
.panel-content { 
    padding: 10px; 
    background: var(--bg-dark);
    position: relative;
    z-index: 1;
    max-height: 400px;
    overflow-y: auto;
}