/* ════════════════════════════════════════════════════
   layout.css – App-Gerüst, Sidebar, Hauptbereich
   ════════════════════════════════════════════════════ */

.app {
  display: flex;
  height: 100vh;
  overflow: hidden;
}

/* ── Sidebar ── */
.sidebar {
  width: var(--sidebar-w);
  flex-shrink: 0;
  background: var(--surface);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  z-index: 200;
}

.sb-head {
  padding: 16px 18px;
  display: flex;
  align-items: center;
  gap: 12px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}
.sb-logo { width: 42px; height: 42px; border-radius: 9px; flex-shrink: 0; object-fit: contain; }
.sb-titles { flex: 1; min-width: 0; }
.sb-name { font-family: var(--serif); font-size: 1.02rem; font-weight: 500; letter-spacing: -.01em; color: var(--ink); }
.sb-sub  { font-family: var(--mono); font-size: .64rem; color: var(--petrol); font-weight: 500; text-transform: uppercase; letter-spacing: .14em; }
.sb-close {
  display: none; background: none; border: none; font-size: 1.1rem;
  color: var(--ink-faint); padding: 5px 8px; border-radius: var(--r-sm);
}
.sb-close:hover { color: var(--red); background: var(--red-bg); }

.sb-scroll { flex: 1; overflow-y: auto; padding: 12px 10px; }
.sb-section-label {
  font-size: .64rem; font-family: var(--mono); font-weight: 700;
  color: var(--ink-faint); letter-spacing: .08em; text-transform: uppercase;
  padding: 8px 8px 6px;
}

.sb-foot {
  border-top: 1px solid var(--border);
  padding: 10px 12px;
  flex-shrink: 0;
}

/* ── Hauptbereich ── */
.main {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  min-width: 0;
}

.topbar {
  height: 60px;
  flex-shrink: 0;
  border-bottom: 1px solid var(--line);
  background: rgba(251,248,242,.9);
  backdrop-filter: blur(10px);
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0 20px;
}
.menu-btn {
  display: none; background: none; border: none;
  font-size: 1.3rem; color: var(--ink-soft); padding: 4px 8px; border-radius: var(--r-sm);
}
.menu-btn:hover { background: var(--surface2); }
.topbar-title { font-family: var(--serif); font-size: 1.02rem; font-weight: 500; flex: 1; }

.scope-pill {
  font-family: var(--mono); font-size: .68rem; font-weight: 500; letter-spacing: .04em; color: var(--petrol);
  background: var(--petrol-soft); border: 1px solid var(--teal-mid);
  padding: 5px 12px; border-radius: 999px;
}

.conn-dot {
  width: 8px; height: 8px; border-radius: 50%; background: var(--green);
  flex-shrink: 0;
}
.conn-dot.offline { background: var(--red); animation: pulse 1.2s infinite; }

/* ── Overlay (nur rechts neben der Sidebar; mobil) ── */
.sb-overlay {
  display: none;
  position: fixed;
  top: 0; right: 0; bottom: 0;
  left: var(--sidebar-w);
  background: rgba(16,36,46,.35);
  z-index: 199;
}

/* ── Mobil ── */
@media (max-width: 760px) {
  .sidebar {
    position: fixed;
    top: 0; bottom: 0; left: 0;
    width: 85%;
    max-width: var(--sidebar-w);
    transform: translateX(-100%);
    transition: transform .26s cubic-bezier(.4,0,.2,1);
    box-shadow: var(--shadow-lg);
  }
  .sidebar.open { transform: translateX(0); }
  .sb-close { display: block; margin-left: auto; }
  .sb-overlay.open { display: block; }
  .menu-btn { display: block; }
  .main { width: 100%; }
}