/* ============================================
   SIDEBAR - Side Panel Styling
   ============================================ */

.sidebar,
#sidebar {
    position: fixed;
    top: 52px; /* Below topbar */
    left: 0;
    bottom: 0;
    width: 280px;
    background-color: var(--bg-sidebar);
    border-right: 1px solid var(--border-light);
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-lg);
    z-index: var(--z-sticky);
    transition: width var(--transition-med), transform var(--transition-med);
    overflow: hidden;
}

.sidebar-content,
#controls {
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
    padding: 8px;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior: contain;
    touch-action: pan-y;
}

.sidebar-content::-webkit-scrollbar,
#controls::-webkit-scrollbar {
    width: 5px;
}

.sidebar-content::-webkit-scrollbar-track,
#controls::-webkit-scrollbar-track {
    background: transparent;
}

.sidebar-content::-webkit-scrollbar-thumb,
#controls::-webkit-scrollbar-thumb {
    background: var(--border-med);
    border-radius: var(--radius-sm);
}

.sidebar-content::-webkit-scrollbar-thumb:hover,
#controls::-webkit-scrollbar-thumb:hover {
    background: var(--border-light);
}

/* Sidebar groups */
.group,
.sidebar-group {
    background: rgba(255, 255, 255, 0.02);
    padding: 8px;
    border: 1px solid var(--border);
    margin-bottom: 8px;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.group:hover,
.sidebar-group:hover {
    border-color: var(--border-med);
}

.group-title,
.sidebar-group-title {
    font-size: 0.65rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--clr-primary);
    margin-bottom: 8px;
    font-weight: 700;
    border-bottom: 1px solid rgba(var(--clr-primary-rgb), 0.2);
    padding-bottom: 4px;
    display: flex;
    align-items: center;
    gap: 5px;
    cursor: pointer;
    background: none;
    border-top: none;
    border-left: none;
    border-right: none;
    width: 100%;
    text-align: left;
    font-family: inherit;
}

.group-title:focus-visible,
.sidebar-group-title:focus-visible {
    outline: 2px solid var(--clr-primary);
    outline-offset: 2px;
}

/* Control rows */
.control-row,
.chk-row {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 6px;
    font-size: 0.8rem;
}

.control-row label,
.chk-row label {
    flex: 1;
    margin-bottom: 0;
    font-size: 0.8rem;
}

.control-row input,
.control-row select {
    flex: 0 0 auto;
}

/* Collapsible sections */
.collapsible {
    cursor: pointer;
    user-select: none;
}

.collapsible-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-med);
}

.collapsible.open .collapsible-content {
    max-height: 2000px;
}