/* Sidebar-Toolbar */
.sb-toolbar { padding: 6px 10px 8px; }
.sb-search {
    width: 100%; border: 1px solid var(--gray-200); border-radius: 8px;
    padding: 6px 9px; font-size: 0.78rem; background: var(--white); color: var(--dark);
    margin-bottom: 6px;
}
.sb-search:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px var(--primary-lighter); }
.sb-toggle { display: flex; gap: 3px; }
.sb-toggle-btn {
    flex: 1; font-size: 0.7rem; padding: 4px 6px; border-radius: 6px;
    border: 1px solid var(--gray-200); background: var(--white); color: var(--gray-500); cursor: pointer;
}
.sb-toggle-btn.active { background: var(--primary-lighter); color: var(--primary); border-color: var(--primary-lighter); font-weight: 600; }

/* Baum */
.sb-tree { padding: 0 8px 12px; }
.sb-client, .sb-project {
    display: flex; align-items: center; gap: 8px;
    padding: 5px 8px; border-radius: 7px; cursor: pointer; font-size: 0.8rem; color: var(--dark);
    position: relative;
}
.sb-client:hover, .sb-project:hover { background: var(--gray-100); }
.sb-client.active, .sb-project.active { background: var(--primary-lighter); color: var(--primary-dark); font-weight: 600; }

/* Disclosure-Chevron (Projekte ein-/ausklappen) */
.sb-disc {
    border: none; background: transparent; color: var(--gray-400);
    cursor: pointer; padding: 0; width: 14px; flex-shrink: 0;
    display: inline-flex; align-items: center; justify-content: center;
}
.sb-disc i { font-size: 0.6rem; transition: transform var(--transition-fast); }
.sb-disc.open i { transform: rotate(90deg); }
.sb-disc:hover { color: var(--primary); }
.sb-disc-spacer { width: 14px; flex-shrink: 0; }

/* Kunden-Avatar: farbiger Kreis mit Initiale */
.sb-avatar {
    width: 18px; height: 18px; border-radius: 50%; flex-shrink: 0;
    background: var(--c, var(--primary)); color: #fff;
    font-size: 0.58rem; font-weight: 700; line-height: 1;
    display: inline-flex; align-items: center; justify-content: center;
}
.sb-name { flex: 0 1 auto; min-width: 0; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.sb-count { margin-left: auto; font-size: 0.68rem; color: var(--gray-400); padding-left: 6px; }
.sb-project { padding-left: 26px; font-size: 0.75rem; color: var(--gray-600); }

/* Hover-Zahnrad */
.sb-gear {
    display: none;
    border: none; background: transparent; color: var(--gray-400);
    cursor: pointer; padding: 2px 4px; border-radius: 5px; margin-left: 4px;
    transition: color var(--transition-fast), background-color var(--transition-fast);
}
.sb-client:hover .sb-gear, .sb-project:hover .sb-gear, .sb-gear:focus-visible { display: inline-flex; }
.sb-gear:hover { color: var(--primary); background: var(--white); }
/* Touch-Geräte: kein Hover — Zahnrad dauerhaft zeigen + größeres Tap-Ziel. */
@media (hover: none) {
    .sb-client .sb-gear, .sb-project .sb-gear { display: inline-flex; padding: 7px 9px; }
}

/* Eingeklappte Sidebar: nur Kunden-Avatare (Initiale), alles andere aus */
#appShell.sidebar-collapsed .sb-toolbar,
#appShell.sidebar-collapsed .sb-project,
#appShell.sidebar-collapsed .sb-name,
#appShell.sidebar-collapsed .sb-count,
#appShell.sidebar-collapsed .sb-gear,
#appShell.sidebar-collapsed .sb-disc,
#appShell.sidebar-collapsed .sb-disc-spacer { display: none; }
#appShell.sidebar-collapsed .sb-client { justify-content: center; padding: 6px 0; }
#appShell.sidebar-collapsed .sb-avatar { width: 26px; height: 26px; font-size: 0.72rem; }

/* Sidebar-Aktionen */
.shell-sidebar-actions { display: flex; gap: 6px; padding: 0 10px 8px; }
.shell-sidebar-actions .btn { flex: 1; }
#appShell.sidebar-collapsed .shell-sidebar-actions { display: none; }

/* Genehmigungs-Badge (offene Anträge je Projekt/Kunde) */
.sb-approval-badge {
    min-width: 16px; height: 16px; padding: 0 5px;
    border-radius: 999px; background: var(--error); color: #fff;
    font-size: 0.6rem; font-weight: 700; line-height: 16px; text-align: center;
    flex-shrink: 0; margin-left: 4px;
}
.sb-project .sb-approval-badge { margin-left: auto; }
#appShell.sidebar-collapsed .sb-approval-badge {
    position: absolute; top: 0; right: 2px; margin: 0;
    min-width: 14px; height: 14px; line-height: 14px; padding: 0 3px; font-size: 0.52rem;
}

/* Sofort-Tooltip mit Kundenname (kein Browser-Delay) */
.sb-tooltip {
    position: fixed;
    transform: translateY(-50%);
    background: rgba(24, 24, 27, 0.95);
    color: #fff;
    font-size: 0.75rem;
    font-weight: 600;
    padding: 4px 9px;
    border-radius: 6px;
    white-space: nowrap;
    pointer-events: none;
    opacity: 0;
    z-index: 2000;
    box-shadow: 0 4px 14px rgba(24, 24, 27, 0.22);
    transition: opacity 0.08s ease;
}
.sb-tooltip.visible { opacity: 1; }

/* --- Hover-Flyout (eingeklappter Rail): Projekte eines Kunden direkt wählbar --- */
.sb-flyout {
    position: fixed;
    z-index: 2001;
    min-width: 200px;
    max-width: 280px;
    max-height: 70vh;
    overflow-y: auto;
    padding: 6px;
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: 12px;
    box-shadow: 0 12px 32px rgba(24, 24, 27, 0.20);
    opacity: 0;
    visibility: hidden;
    transform: translateX(-4px);
    transition: opacity 0.1s ease, transform 0.1s ease, visibility 0.1s;
}
.sb-flyout.visible { opacity: 1; visibility: visible; transform: translateX(0); }
[data-theme="dark"] .sb-flyout { background: var(--dark-light); border-color: rgba(64,64,64,.7); }

.sb-fly-head {
    display: flex; align-items: center; gap: 9px; width: 100%;
    padding: 7px 9px; border: none; border-radius: 8px;
    background: transparent; cursor: pointer; text-align: left;
    font-size: 0.85rem; font-weight: 700; color: var(--dark);
}
.sb-fly-head:hover { background: var(--gray-100); }
.sb-fly-head.active { background: var(--primary-lighter); color: var(--primary); }
.sb-fly-name { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.sb-fly-projects {
    margin-top: 4px; padding-top: 4px;
    border-top: 1px solid var(--gray-200);
    display: flex; flex-direction: column; gap: 1px;
}
[data-theme="dark"] .sb-fly-projects { border-top-color: rgba(64,64,64,.7); }
.sb-fly-proj {
    display: flex; align-items: center; gap: 8px; width: 100%;
    padding: 6px 9px; border: none; border-radius: 7px;
    background: transparent; cursor: pointer; text-align: left;
    font-size: 0.8rem; color: var(--dark);
    overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.sb-fly-proj:hover { background: var(--gray-100); }
.sb-fly-proj.active { background: var(--primary-lighter); color: var(--primary); font-weight: 600; }
[data-theme="dark"] .sb-fly-head:hover, [data-theme="dark"] .sb-fly-proj:hover { background: rgba(64,64,64,.45); }
.sb-fly-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--c, var(--primary)); flex-shrink: 0; }
.sb-fly-empty { padding: 8px 10px; font-size: 0.78rem; color: var(--gray-400); }

[data-theme="dark"] .sb-search { background: var(--dark-light); color: var(--dark); }
[data-theme="dark"] .sb-toggle-btn { background: var(--dark-light); }
[data-theme="dark"] .sb-client:hover, [data-theme="dark"] .sb-project:hover { background: rgba(64,64,64,.4); }