:root {
    --sidebar-bg: #1e293b;
    --sidebar-hover: #334155;
    --accent-color: #3b82f6;
    --bg-body: #f1f5f9;
}

body { font-family: 'Segoe UI', sans-serif; background-color: var(--bg-body); overflow-x: hidden; }

/* Sidebar Styling */
#sidebar {
    width: 260px;
    min-height: 100vh;
    background: var(--sidebar-bg);
    transition: all 0.3s;
    z-index: 1000;
}

@media (max-width: 768px) {
    #sidebar { margin-left: -260px; position: absolute; }
    #sidebar.active { margin-left: 0; }
}

.sidebar-header { padding: 1.5rem; color: white; font-weight: bold; border-bottom: 1px solid rgba(255,255,255,0.1); }
.nav-link { color: #94a3b8; padding: 0.8rem 1.5rem; }
.nav-link.active { background: var(--accent-color); color: white; }

.main-content { flex-grow: 1; min-width: 0; display: flex; flex-direction: column; min-height: 100vh; }

/* Login-Seite Zentrierung */
.auth-container {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-grow: 1;
    padding: 20px;
}

.mw-250 {
    max-width:250px;
}