/* ============================================================
   SIDEBAR — Linear/Notion style
   ============================================================ */

.sidebar {
    background: var(--bg-card);
    border-right: 1px solid var(--border-subtle);
    height: 100vh;
    position: sticky;
    top: 0;
    width: 260px;
    padding: var(--space-4) var(--space-2);
    transition: width 0.25s ease, padding 0.25s ease;
    overflow-y: auto;
    overflow-x: hidden;
    z-index: 50;
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
}

.sidebar.collapsed {
    width: 68px;
    padding: var(--space-4) 10px;
}

.sidebar::-webkit-scrollbar { width: 3px; }

.sidebar #logo-menu {
    width: 130px;
    margin-bottom: var(--space-5);
    margin-left: 12px;
    transition: all 0.25s;
}
.sidebar.collapsed #logo-menu {
    width: 32px;
    margin-left: 6px;
}

/* Menu items */
.sidebar .nav {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.sidebar .nav-item {
    margin: 0;
}

.sidebar .nav-item a {
    display: flex;
    align-items: center;
    height: 48px;
    padding: 0 14px;
    border-radius: 14px;
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 500;
    text-decoration: none;
    transition: all 0.15s ease;
    white-space: nowrap;
    overflow: hidden;
    gap: 12px;
}

.sidebar .nav-item a:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.sidebar .nav-item a.active {
    background: var(--brand);
    color: var(--text-inverse);
    box-shadow: 0 2px 8px rgba(15,171,181,0.2);
}

.sidebar .nav-item.disabled a {
    opacity: 0.3;
    pointer-events: none;
}

.sidebar .nav-item a img {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    opacity: 0.45;
    transition: opacity 0.15s;
}

.sidebar .nav-item a:hover img {
    opacity: 0.7;
}

.sidebar .nav-item a.active img {
    opacity: 1;
    filter: brightness(0) invert(1);
}

/* Collapsed state */
.sidebar.collapsed .nav-item a {
    justify-content: center;
    padding: 0;
    width: 48px;
    height: 48px;
    margin: 0 auto;
    border-radius: 14px;
}

.sidebar.collapsed .nav-item a img {
    margin: 0;
}