/* ── Sidebar ──────────────────────────────────────────────────────── */
.sidebar {
    width: var(--sidebar-width);
    min-width: var(--sidebar-width);
    background: var(--color-sidebar);
    color: var(--color-sidebar-text);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    border-right: 1px solid rgba(255,255,255,0.06);
}

.sidebar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 14px 12px;
    flex-shrink: 0;
}
.app-brand {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 15px;
    font-weight: 700;
    color: #fff;
}
.app-brand i { width: 20px; height: 20px; color: var(--color-accent); }
.sidebar-header .icon-btn {
    color: var(--color-sidebar-muted);
    width: 28px;
    height: 28px;
}
.sidebar-header .icon-btn:hover {
    background: var(--color-sidebar-hover);
    color: var(--color-sidebar-text);
}

/* Nav */
.sidebar-nav {
    padding: 4px 8px;
    flex-shrink: 0;
}
.nav-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 10px;
    border-radius: var(--radius);
    color: var(--color-sidebar-muted);
    font-size: 13px;
    font-weight: 500;
    transition: background var(--transition), color var(--transition);
    position: relative;
}
.nav-item i { width: 16px; height: 16px; flex-shrink: 0; }
.nav-item:hover {
    background: var(--color-sidebar-hover);
    color: var(--color-sidebar-text);
}
.nav-item.active {
    background: var(--color-accent);
    color: #fff;
}
.nav-badge {
    margin-left: auto;
    background: rgba(255,255,255,0.2);
    color: #fff;
    font-size: 10px;
    font-weight: 600;
    padding: 1px 6px;
    border-radius: 99px;
    min-width: 18px;
    text-align: center;
}
.nav-item.active .nav-badge { background: rgba(255,255,255,0.25); }

/* Search trigger */
.sidebar-search {
    padding: 8px;
    flex-shrink: 0;
}
.search-trigger {
    display: flex;
    align-items: center;
    gap: 8px;
    width: 100%;
    padding: 7px 10px;
    border-radius: var(--radius);
    background: rgba(255,255,255,0.05);
    color: var(--color-sidebar-muted);
    font-size: 12px;
    transition: background var(--transition);
    cursor: pointer;
    border: none;
}
.search-trigger:hover {
    background: rgba(255,255,255,0.1);
    color: var(--color-sidebar-text);
}
.search-trigger i { width: 14px; height: 14px; }
.search-trigger span { flex: 1; text-align: left; }
.search-trigger kbd {
    background: rgba(255,255,255,0.08);
    border-color: rgba(255,255,255,0.1);
    color: var(--color-sidebar-muted);
    font-size: 10px;
}

/* Sidebar sections */
.sidebar-section {
    flex-shrink: 0;
    padding: 4px 8px;
}
.sidebar-section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 6px 8px 4px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-sidebar-muted);
}
.sidebar-section-header .icon-btn-sm {
    color: var(--color-sidebar-muted);
    border-radius: 4px;
}
.sidebar-section-header .icon-btn-sm:hover {
    background: var(--color-sidebar-hover);
    color: var(--color-sidebar-text);
}

/* Tag list in sidebar */
.tag-list {
    display: flex;
    flex-direction: column;
    gap: 1px;
    padding: 2px 0;
}
.tag-list-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 5px 8px;
    border-radius: var(--radius);
    cursor: pointer;
    font-size: 12px;
    color: var(--color-sidebar-muted);
    transition: background var(--transition), color var(--transition);
}
.tag-list-item:hover {
    background: var(--color-sidebar-hover);
    color: var(--color-sidebar-text);
}
.tag-list-item .tag-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    flex-shrink: 0;
}

/* Mini calendar */
.mini-calendar {
    font-size: 11px;
    color: var(--color-sidebar-muted);
}
.mini-cal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 4px 6px;
    margin-bottom: 4px;
}
.mini-cal-header span { font-weight: 600; font-size: 12px; color: var(--color-sidebar-text); }
.mini-cal-header button {
    background: none;
    border: none;
    color: var(--color-sidebar-muted);
    cursor: pointer;
    padding: 2px 4px;
    border-radius: 4px;
    line-height: 1;
    font-size: 14px;
}
.mini-cal-header button:hover { color: var(--color-sidebar-text); background: var(--color-sidebar-hover); }
.mini-cal-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 1px;
    text-align: center;
}
.mini-cal-day-name {
    color: var(--color-sidebar-muted);
    font-size: 10px;
    padding: 2px 0;
    font-weight: 600;
}
.mini-cal-day {
    padding: 3px 2px;
    border-radius: 4px;
    cursor: pointer;
    transition: background var(--transition);
    font-size: 11px;
}
.mini-cal-day:hover { background: var(--color-sidebar-hover); color: var(--color-sidebar-text); }
.mini-cal-day.today {
    background: var(--color-accent);
    color: #fff;
    font-weight: 600;
}
.mini-cal-day.other-month { color: rgba(161,161,170,0.4); }
.mini-cal-day.has-event::after {
    content: '';
    display: block;
    width: 3px;
    height: 3px;
    border-radius: 50%;
    background: var(--color-accent);
    margin: 0 auto;
}

/* Sidebar footer / user */
.sidebar-footer {
    margin-top: auto;
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 14px;
    border-top: 1px solid rgba(255,255,255,0.06);
    flex-shrink: 0;
}
.user-info {
    display: flex;
    align-items: center;
    gap: 8px;
    flex: 1;
    min-width: 0;
}
.user-avatar {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--color-accent);
    color: #fff;
    font-size: 12px;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    text-transform: uppercase;
}
#user-name {
    font-size: 12px;
    font-weight: 500;
    color: var(--color-sidebar-text);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
#logout-btn {
    color: var(--color-sidebar-muted);
    width: 28px;
    height: 28px;
}
#logout-btn:hover {
    color: var(--color-danger);
    background: rgba(239,68,68,0.1);
}

/* ── Compact icon-only sidebar (tablet 821px–1100px) ─────────────── */
@media (max-width: 1100px) and (min-width: 821px) {
    .sidebar { overflow: visible; }

    /* Hide all text/non-icon content */
    .app-brand span,
    .nav-item span,
    .nav-badge,
    #coati-toggle,
    .sidebar-search,
    .sidebar-section,
    #user-name,
    #admin-users-btn,
    .theme-toggle-label { display: none; }

    /* Center everything */
    .sidebar-header { justify-content: center; padding: 14px 0; gap: 0; }
    .sidebar-nav     { padding: 4px 0; }
    .nav-item        { justify-content: center; padding: 11px 0; gap: 0; }
    .nav-item i      { width: 20px; height: 20px; }
    .sidebar-footer  { justify-content: center; flex-direction: column; align-items: center; padding: 12px 0; gap: 8px; }

    /* Tooltip on hover showing nav label */
    .nav-item { position: relative; }
    .nav-item::after {
        content: attr(data-label);
        position: absolute;
        left: 100%;
        top: 50%;
        transform: translateY(-50%);
        margin-left: 8px;
        background: var(--color-sidebar-hover);
        color: var(--color-sidebar-text);
        font-size: 12px;
        font-weight: 500;
        padding: 4px 10px;
        border-radius: var(--radius);
        white-space: nowrap;
        pointer-events: none;
        opacity: 0;
        transition: opacity 0.15s;
        z-index: 300;
    }
    .nav-item:hover::after { opacity: 1; }
}