:root { --bg:#f4f5f7; --card:#fff; --text:#1c1e21; --muted:#6b7280; --accent:#2563eb; --err:#b91c1c; --ok:#15803d; --border:#d9dce1; }
@media (prefers-color-scheme: dark) {
  :root { --bg:#14161a; --card:#1e2127; --text:#e8eaed; --muted:#9aa0a9; --accent:#5b8def; --err:#f87171; --ok:#4ade80; --border:#343942; }
}
* { box-sizing: border-box; }
body { margin:0; background:var(--bg); color:var(--text); font:16px/1.5 system-ui, sans-serif; }
.wrap { max-width: 960px; margin: 0 auto; padding: 16px; }
.card { background:var(--card); border:1px solid var(--border); border-radius:10px; padding:20px; margin-bottom:16px; }
.auth { max-width: 380px; margin: 10vh auto 0; }
h1 { font-size: 1.4rem; margin: 0 0 12px; }
h2 { font-size: 1.1rem; margin: 0 0 8px; }
label { display:block; margin: 12px 0 4px; font-size:.9rem; color:var(--muted); }
input[type=email], input[type=password], input[type=text] {
  width:100%; padding:10px; border:1px solid var(--border); border-radius:6px; background:var(--bg); color:var(--text); font:inherit; }
button, .btn { display:inline-block; margin-top:16px; padding:10px 16px; border:0; border-radius:6px; background:var(--accent); color:#fff; font:inherit; cursor:pointer; text-decoration:none; }
.btn-sec { background:transparent; color:var(--accent); border:1px solid var(--accent); }
.err { color:var(--err); margin:8px 0; }
.ok { color:var(--ok); margin:8px 0; }
.muted { color:var(--muted); font-size:.9rem; }
code { background:var(--bg); padding:2px 6px; border-radius:4px; word-break:break-all; }
table { width:100%; border-collapse:collapse; }
td, th { text-align:left; padding:6px 8px; border-bottom:1px solid var(--border); }
.topbar { display:flex; justify-content:space-between; align-items:center; margin-bottom:16px; gap:8px; flex-wrap:wrap; }

/* Galerie */
.wrap.wide { max-width: 1400px; }
.actions { display:flex; gap:8px; align-items:center; }
.grid { display:grid; grid-template-columns:repeat(auto-fill, minmax(160px, 1fr)); gap:8px; }
.grid.folders { grid-template-columns:repeat(auto-fill, minmax(240px, 1fr)); gap:14px; }
.tile { position:relative; display:block; aspect-ratio:1/1; overflow:hidden; border-radius:8px; background:var(--card); border:1px solid var(--border); color:var(--text); text-decoration:none; }
.tile img { width:100%; height:100%; object-fit:cover; display:block; }
.tile .ph { display:flex; width:100%; height:100%; align-items:center; justify-content:center; font-size:2.4rem; opacity:.5; }
.tile .play { position:absolute; right:8px; bottom:8px; background:rgba(0,0,0,.6); color:#fff; border-radius:50%; width:30px; height:30px; display:flex; align-items:center; justify-content:center; font-size:.8rem; }
.tile.folder { aspect-ratio:4/3; }
.tile .label { position:absolute; left:0; right:0; bottom:0; padding:22px 12px 10px; color:#fff; font-weight:600; background:linear-gradient(transparent, rgba(0,0,0,.75)); }
.tile .label small { font-weight:400; opacity:.8; }
.tile:hover, .tile:focus-visible { outline:2px solid var(--accent); }

/* Lightbox */
body.lb-open { overflow:hidden; }
.lb { position:fixed; inset:0; z-index:1000; background:#000; color:#fff; display:flex; flex-direction:column; }
.lb[hidden] { display:none; }
.lb button, .lb select { font:inherit; color:#fff; }
.lb button { margin:0; background:rgba(255,255,255,.14); border:0; border-radius:6px; padding:10px 14px; cursor:pointer; }
.lb button:hover, .lb button:focus-visible { background:rgba(255,255,255,.28); }
.lb select { background:rgba(255,255,255,.14); border:0; border-radius:6px; padding:9px 8px; }
.lb select option { color:#000; }
.lb-stage { flex:1; min-height:0; display:flex; align-items:center; justify-content:center; }
.lb-media { max-width:100%; max-height:100%; object-fit:contain; display:block; }
.lb-error { color:#ccc; }
.lb-top { position:absolute; top:0; left:0; right:0; display:flex; align-items:center; gap:12px; padding:10px 14px; background:linear-gradient(rgba(0,0,0,.7), transparent); }
.lb-name { flex:1; min-width:0; overflow:hidden; text-overflow:ellipsis; white-space:nowrap; opacity:.85; }
.lb-top-actions { display:flex; gap:8px; }
.lb-nav { position:absolute; top:50%; transform:translateY(-50%); font-size:2rem !important; line-height:1; padding:14px 16px !important; }
.lb-prev { left:10px; }
.lb-next { right:10px; }
.lb-bar { position:absolute; left:0; right:0; bottom:0; display:flex; justify-content:center; padding:16px 12px; background:linear-gradient(transparent, rgba(0,0,0,.7)); }
.lb-idle, .lb-running { display:flex; align-items:center; gap:10px; flex-wrap:wrap; justify-content:center; }
.lb-idle[hidden], .lb-running[hidden] { display:none; }
.lb-top, .lb-bar, .lb-nav { transition:opacity .3s; }
.lb.hide-ui { cursor:none; }
.lb.hide-ui .lb-top, .lb.hide-ui .lb-bar, .lb.hide-ui .lb-nav { opacity:0; pointer-events:none; }
@media (max-width:600px) { .lb-nav { display:none; } }

/* Info-Panel & Toast */
.lb-info { position:absolute; top:56px; right:10px; bottom:76px; width:min(340px, calc(100% - 20px)); overflow:auto; background:rgba(20,20,20,.92); border-radius:10px; padding:14px 16px; z-index:2; }
.lb-info[hidden] { display:none; }
.lb-info h2 { margin:0 0 10px; font-size:1rem; }
.lb-info dl { margin:0; display:grid; grid-template-columns:auto 1fr; gap:6px 12px; font-size:.9rem; }
.lb-info dt { color:#9aa0a9; }
.lb-info dd { margin:0; word-break:break-word; }
.lb-info a { color:#8ab4ff; }
.lb-toast { position:absolute; left:50%; top:64px; transform:translateX(-50%); background:rgba(0,0,0,.85); border:1px solid rgba(255,255,255,.25); padding:8px 16px; border-radius:20px; z-index:3; }
.lb-toast[hidden] { display:none; }
.lb.hide-ui .lb-info { opacity:0; pointer-events:none; }

/* Benutzerverwaltung */
.row { display:flex; gap:8px; align-items:center; flex-wrap:wrap; }
.row input[type=text] { flex:1; min-width:180px; }
.checks { display:flex; flex-wrap:wrap; gap:6px 18px; margin:8px 0 0; }
label.check { display:flex; align-items:center; gap:6px; margin:0; color:var(--text); font-size:1rem; }
.btn-danger { background:var(--err); color:#fff; }
.badge { font-size:.75rem; padding:2px 8px; border-radius:10px; background:var(--border); color:var(--muted); vertical-align:middle; }
.badge.off { background:var(--err); color:#fff; }
.inline-form { margin-top:8px; }