/* ==========================================================================
   OBSIDIAN PRO — SIDEBAR
   ========================================================================== */

/* Custom scrollbar */
.sidebar-scrollbar::-webkit-scrollbar,
#sidebar::-webkit-scrollbar { width: 4px; }
.sidebar-scrollbar::-webkit-scrollbar-track,
#sidebar::-webkit-scrollbar-track { background: transparent; }
.sidebar-scrollbar::-webkit-scrollbar-thumb,
#sidebar::-webkit-scrollbar-thumb { background: var(--border); border-radius: 4px; }
.sidebar-scrollbar::-webkit-scrollbar-thumb:hover,
#sidebar::-webkit-scrollbar-thumb:hover { background: var(--text-disabled); }

/* Mobile overlay backdrop */
.sidebar-backdrop {
    position: fixed; top: 0; left: 0;
    width: 100%; height: 100%;
    background-color: rgba(0,0,0,0.6);
    z-index: 1100;
    opacity: 0; visibility: hidden;
    transition: opacity var(--ease-normal), visibility var(--ease-normal);
    backdrop-filter: blur(4px);
}
.sidebar-backdrop.show { opacity: 1; visibility: visible; }

/* ── Main sidebar container ── */
#sidebar {
    position: fixed;
    top: var(--navbar-height); left: 0;
    width: var(--sidebar-width);
    height: calc(100vh - var(--navbar-height));
    background-color: var(--bg-raised);
    border-right: 1px solid var(--border);
    overflow-y: auto;
    overflow-x: hidden;
    z-index: 1200;
    transform: translateX(-100%);
    transition: transform var(--ease-normal);
}

/* Sidebar visibility is controlled by the React component's .open CSS module class.
   Do NOT use translateX here — it will fight the module CSS toggle. */
@media (min-width: 1024px) {
    body.results-mode #sidebar { display: none !important; }
}

/* ── Sidebar search ── */
.sidebar-search-container {
    position: sticky; top: 0;
    background: var(--bg-raised);
    padding: 14px 14px 8px;
    border-bottom: 1px solid var(--border);
    z-index: 10;
}
.sidebar-search-wrapper { position: relative; }
.sidebar-search-input {
    width: 100%;
    padding: 9px 12px 9px 34px;
    background: var(--bg-overlay);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-family: var(--font);
    font-size: 13px;
    outline: none;
    transition: all var(--ease-fast);
}
.sidebar-search-input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-glow);
    background: var(--bg-hover);
}
.sidebar-search-input::placeholder { color: var(--text-disabled); }
.sidebar-search-icon {
    position: absolute; left: 10px; top: 50%;
    transform: translateY(-50%);
    color: var(--text-disabled); font-size: 12px; pointer-events: none;
}

/* ── Section tabs (Data / Analysis / etc.) ── */
.sidebar-nav-tabs {
    position: sticky; top: 53px;
    background: var(--bg-raised);
    display: flex;
    border-bottom: 1px solid var(--border);
    z-index: 9;
    overflow-x: auto;
    scrollbar-width: none;
    padding: 0 4px;
}
.sidebar-nav-tabs::-webkit-scrollbar { display: none; }

.sidebar-nav-tab {
    flex-shrink: 0;
    padding: 10px 14px;
    cursor: pointer;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.03em;
    text-transform: uppercase;
    color: var(--text-disabled);
    border-bottom: 2px solid transparent;
    white-space: nowrap;
    transition: all var(--ease-fast);
    background: transparent;
    border-top: none; border-left: none; border-right: none;
}
.sidebar-nav-tab:hover { color: var(--text-secondary); }
.sidebar-nav-tab.active {
    color: var(--primary-light);
    border-bottom-color: var(--primary);
}

/* ── Section groups ── */
.sidebar-section {
    padding: 8px 10px;
}
.sidebar-section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 6px 6px 6px 8px;
    cursor: pointer;
    border-radius: var(--radius-sm);
    transition: background var(--ease-fast);
    margin-bottom: 4px;
}
.sidebar-section-header:hover { background: var(--bg-hover); }
.sidebar-section-title {
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--text-disabled);
}
.sidebar-section-chevron {
    font-size: 10px;
    color: var(--text-disabled);
    transition: transform var(--ease-fast);
}
.sidebar-section.collapsed .sidebar-section-chevron { transform: rotate(-90deg); }

/* ── Draggable item cards ── */
.sidebar-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 9px 10px;
    margin-bottom: 3px;
    border-radius: var(--radius-md);
    cursor: grab;
    border: 1px solid transparent;
    transition: all var(--ease-fast);
    background: transparent;
    position: relative;
    overflow: hidden;
    user-select: none;
}
.sidebar-item::before {
    content: '';
    position: absolute;
    left: 0; top: 0; bottom: 0;
    width: 3px;
    border-radius: 3px 0 0 3px;
    background: var(--item-accent, var(--primary));
    opacity: 0;
    transition: opacity var(--ease-fast);
}
.sidebar-item:hover {
    background: var(--bg-hover);
    border-color: var(--border);
    transform: translateX(3px);
}
.sidebar-item:hover::before { opacity: 1; }
.sidebar-item:active { cursor: grabbing; background: var(--bg-active); }

.sidebar-item-icon-wrap {
    width: 32px; height: 32px;
    border-radius: var(--radius-sm);
    display: flex; align-items: center; justify-content: center;
    flex-shrink: 0;
    background: var(--bg-overlay);
    border: 1px solid var(--border);
    transition: all var(--ease-fast);
    font-size: 14px;
}
.sidebar-item:hover .sidebar-item-icon-wrap {
    background: var(--item-accent, var(--primary));
    border-color: transparent;
    color: #fff;
}

.sidebar-item-label {
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
    transition: color var(--ease-fast);
    line-height: 1.2;
}
.sidebar-item:hover .sidebar-item-label { color: var(--text-primary); }
.sidebar-item-sub {
    font-size: 11px;
    color: var(--text-disabled);
    margin-top: 1px;
}

/* ── Node type accent assignments ── */
.sidebar-item[data-type="data"]          { --item-accent: var(--node-data); }
.sidebar-item[data-type="analysis"]      { --item-accent: var(--node-analysis); }
.sidebar-item[data-type="visualization"] { --item-accent: var(--node-visualization); }
.sidebar-item[data-type="condition"]     { --item-accent: var(--node-condition); }
.sidebar-item[data-type="loop"]          { --item-accent: var(--node-loop); }
.sidebar-item[data-type="code"]          { --item-accent: var(--node-code); }
.sidebar-item[data-type="wasm"]          { --item-accent: var(--node-wasm); }
.sidebar-item[data-type="trigger"]       { --item-accent: var(--node-trigger); }
.sidebar-item[data-type="helper"]        { --item-accent: var(--node-helper); }
.sidebar-item[data-type="session"]       { --item-accent: var(--node-session); }

/* ── No results ── */
.sidebar-no-results {
    padding: 24px 16px;
    text-align: center;
    color: var(--text-disabled);
    font-size: 13px;
}