/* ── SIDEBAR ────────────────────────────────────────────────── */
.sidebar {
    width: var(--sidebar-width);
    min-width: var(--sidebar-width);
    height: 100%;
    background: var(--bg1);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    transition: width var(--transition), min-width var(--transition);
    flex-shrink: 0;
    z-index: 10;
}

.sidebar.collapsed {
    width: var(--sidebar-collapsed);
    min-width: var(--sidebar-collapsed);
}

/* ── HEADER ─────────────────────────────────────────────────── */
.sidebar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--tabs-height);
    padding: 0 12px 0 14px;
    border-bottom: 1px solid var(--border);
    flex-shrink: 0;
}

.sidebar-logo {
    display: flex; align-items: center; gap: 9px;
    overflow: hidden;
    white-space: nowrap;
}

.sidebar-title {
    font-family: var(--font-ui);
    font-weight: 700;
    font-size: 13px;
    letter-spacing: 0.05em;
    color: var(--text0);
    transition: opacity var(--transition);
}

.sidebar.collapsed .sidebar-title { opacity: 0; pointer-events: none; }

.sidebar-toggle {
    width: 26px; height: 26px;
    display: flex; align-items: center; justify-content: center;
    border-radius: var(--radius-sm);
    color: var(--text2);
    transition: all var(--transition);
    flex-shrink: 0;
}
.sidebar-toggle:hover { background: var(--bg3); color: var(--text0); }

/* ── SITE STATUS ────────────────────────────────────────────── */
.sidebar-site {
    padding: 10px 14px;
    border-bottom: 1px solid var(--border);
    flex-shrink: 0;
    overflow: hidden;
}

.site-indicator {
    display: flex; align-items: center; gap: 8px;
    margin-bottom: 3px;
}

.site-dot {
    width: 7px; height: 7px;
    border-radius: 50%;
    background: var(--text3);
    flex-shrink: 0;
    transition: background var(--transition), box-shadow var(--transition);
}

.site-dot.online {
    background: var(--green);
    box-shadow: 0 0 6px rgba(0,255,157,0.5);
}

.site-dot.offline { background: var(--red); }

.site-name {
    font-family: var(--font-mono);
    font-size: 11px;
    font-weight: 600;
    color: var(--text0);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    transition: opacity var(--transition);
}

.sidebar.collapsed .site-name { opacity: 0; }

.site-status {
    font-family: var(--font-mono);
    font-size: 10px;
    color: var(--text2);
    white-space: nowrap;
    transition: opacity var(--transition);
    padding-left: 15px;
}

.sidebar.collapsed .site-status { opacity: 0; }

/* ── NAV ────────────────────────────────────────────────────── */
.sidebar-nav {
    flex: 1;
    padding: 10px 0;
    overflow-y: auto;
    overflow-x: hidden;
}

.nav-section-label {
    font-family: var(--font-mono);
    font-size: 9px;
    font-weight: 600;
    letter-spacing: 0.14em;
    color: var(--text3);
    padding: 0 14px 6px;
    transition: opacity var(--transition);
}

.sidebar.collapsed .nav-section-label { opacity: 0; }

.nav-item {
    display: flex;
    align-items: center;
    gap: 10px;
    height: 34px;
    padding: 0 14px;
    color: var(--text1);
    cursor: pointer;
    border-radius: 0;
    transition: all var(--transition);
    white-space: nowrap;
    position: relative;
    user-select: none;
}

.nav-item:hover {
    background: var(--bg2);
    color: var(--text0);
}

.nav-item:hover .nav-badge { opacity: 1; }

.nav-item svg { flex-shrink: 0; }

.nav-item span:not(.nav-badge) {
    font-family: var(--font-ui);
    font-size: 13px;
    font-weight: 500;
    flex: 1;
    transition: opacity var(--transition);
}

.sidebar.collapsed .nav-item span:not(.nav-badge) { opacity: 0; pointer-events: none; }

.nav-badge {
    font-family: var(--font-mono);
    font-size: 14px;
    font-weight: 600;
    color: var(--accent);
    opacity: 0;
    transition: opacity var(--transition);
    line-height: 1;
    margin-top: -1px;
}

/* Drag indicator */
.nav-item.dragging { opacity: 0.4; }
.nav-item::before {
    content: '';
    position: absolute;
    left: 0; top: 50%;
    transform: translateY(-50%);
    width: 2px; height: 0;
    background: var(--accent);
    border-radius: 1px;
    transition: height var(--transition);
}
.nav-item:hover::before { height: 16px; }

/* Tooltip when collapsed */
.sidebar.collapsed .nav-item {
    justify-content: center;
    padding: 0;
}

/* ── FOOTER ─────────────────────────────────────────────────── */
.sidebar-footer {
    padding: 10px 14px;
    border-top: 1px solid var(--border);
    flex-shrink: 0;
    overflow: hidden;
}

.last-update-label {
    font-family: var(--font-mono);
    font-size: 9px;
    letter-spacing: 0.12em;
    color: var(--text3);
    margin-bottom: 3px;
    transition: opacity var(--transition);
}

.sidebar.collapsed .last-update-label { opacity: 0; }

.last-update-time {
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--text1);
    margin-bottom: 10px;
    transition: opacity var(--transition);
}

.sidebar.collapsed .last-update-time { opacity: 0; }

.btn-logout {
    display: flex; align-items: center; gap: 8px;
    height: 30px;
    padding: 0 10px;
    background: var(--bg2);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text2);
    font-family: var(--font-mono);
    font-size: 11px;
    transition: all var(--transition);
    width: 100%;
}
.btn-logout:hover { border-color: var(--red); color: var(--red); background: rgba(255,59,92,0.08); }

.sidebar.collapsed .btn-logout span { display: none; }
.sidebar.collapsed .btn-logout { width: 30px; padding: 0; justify-content: center; }

/* ── CHARTS PER PANEL CONFIG ────────────────────────────────── */
.charts-per-panel-config {
    display: flex; flex-direction: column; gap: 6px;
    margin-bottom: 8px;
}

.config-label {
    font-family: var(--font-mono);
    font-size: 9px;
    font-weight: 600;
    letter-spacing: 0.1em;
    color: var(--text2);
    text-transform: uppercase;
}

.sidebar.collapsed .config-label { display: none; }

.config-buttons {
    display: flex; gap: 4px;
}

.config-btn {
    flex: 1;
    height: 24px;
    padding: 0 6px;
    background: var(--bg3);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text2);
    font-family: var(--font-mono);
    font-size: 10px;
    font-weight: 600;
    transition: all var(--transition);
    cursor: pointer;
}
.config-btn:hover { border-color: var(--accent2); color: var(--accent2); background: rgba(123,97,255,0.08); }
.config-btn.active { border-color: var(--accent2); color: var(--accent2); background: rgba(123,97,255,0.15); }

.sidebar.collapsed .config-btn { min-width: 20px; padding: 0; }

.btn-theme-toggle {
    display: flex; align-items: center; justify-content: center; gap: 8px;
    height: 30px;
    padding: 0 10px;
    background: var(--bg2);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text2);
    margin-bottom: 8px;
    transition: all var(--transition);
    width: 100%;
}
.btn-theme-toggle:hover { border-color: var(--accent); color: var(--accent); background: rgba(0,229,255,0.08); }

.sidebar.collapsed .btn-theme-toggle { width: 30px; padding: 0; }