:root{
  --bg:#f5f7fa;
  --card:#ffffff;
  --text:#1f2937;
  --muted:#6b7280;
  --border:rgba(0,0,0,.08);
  --shadow:0 8px 18px rgba(0,0,0,.06);
  --shadow2:0 2px 8px rgba(0,0,0,.06);
  --accent:#3498db;
  --danger:#c0392b;
}

*{box-sizing:border-box;margin:0;padding:0}
body{
  font-family:Roboto,system-ui,-apple-system,Segoe UI,Arial,sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.45;
}

.hidden{display:none !important}

.topbar{
  position:sticky;
  top:0;
  z-index:10;
  background:rgba(255,255,255,.85);
  backdrop-filter:saturate(180%) blur(10px);
  border-bottom:1px solid var(--border);
  padding:14px 16px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:14px;
}

.brand__title{font-weight:800;letter-spacing:.2px}
.brand__subtitle{font-size:.85rem;color:var(--muted)}

.topbar__right{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.status{font-size:.9rem;color:var(--muted);min-height:1.1em}

.admin-user{
  font-size:.85rem;
  padding:6px 10px;
  border:1px solid var(--border);
  border-radius:999px;
  background:#fff;
  color:var(--text);
}

.authGate{
  max-width:720px;
  margin:22px auto 0;
  padding:0 16px;
}

.authCard{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:14px;
  box-shadow:var(--shadow2);
  padding:20px;
}

.authCard h2{margin-bottom:6px}
.authCard p{color:var(--muted);margin-bottom:14px}

.authForm{display:flex;flex-direction:column;gap:8px}

.authError{
  margin-top:12px;
  color:var(--danger);
  font-weight:700;
}

.layout{
  max-width:1200px;
  margin:0 auto;
  padding:18px 16px;
  display:grid;
  grid-template-columns:320px 1fr;
  gap:16px;
}

@media (max-width: 960px){
  .layout{grid-template-columns:1fr;}
  .sidebar{order:0}
}

.sidebar{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:14px;
  box-shadow:var(--shadow2);
  overflow:hidden;
}

.sidebar__header{
  padding:14px 14px 10px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  border-bottom:1px solid var(--border);
}

.sidebar__header--levels{
  border-top:1px solid var(--border);
}
.sidebar__title{font-weight:800}

.sidebar__filters{padding:12px 14px;border-bottom:1px solid var(--border)}

.levels{padding:6px;max-height:calc(100vh - 190px);overflow:auto}

.cats{
  padding:6px;
  max-height:240px;
  overflow:auto;
  border-bottom:1px solid var(--border);
}

.catItem{
  border:1px solid transparent;
  border-radius:12px;
  padding:10px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  cursor:pointer;
}

.catItem:hover{background:rgba(0,0,0,.03)}

.catItem--active{
  background:rgba(52,152,219,.10);
  border-color:rgba(52,152,219,.35);
}

.catItem__left{display:flex;flex-direction:column;gap:3px;min-width:0}
.catItem__name{font-weight:800;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.catItem__count{font-size:.85rem;color:var(--muted)}
.catItem__actions{display:flex;gap:6px;flex:0 0 auto}

.btnTiny{
  width:30px;
  height:30px;
  border-radius:10px;
  border:1px solid var(--border);
  background:#fff;
  cursor:pointer;
  font-weight:900;
}
.btnTiny:hover{background:rgba(0,0,0,.04)}

.levelItem{
  border:1px solid transparent;
  border-radius:12px;
  padding:10px 10px;
  display:flex;
  flex-direction:column;
  gap:4px;
  cursor:pointer;
}

.levelItem:hover{background:rgba(0,0,0,.03)}
.levelItem--active{
  background:rgba(52,152,219,.10);
  border-color:rgba(52,152,219,.35);
}

.levelItem__title{font-weight:700}
.levelItem__meta{color:var(--muted);font-size:.85rem;display:flex;gap:10px;flex-wrap:wrap}

.pill{
  display:inline-flex;
  align-items:center;
  padding:2px 8px;
  border-radius:999px;
  border:1px solid var(--border);
  background:#fff;
}

.content{
  background:transparent;
}

.empty{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:14px;
  box-shadow:var(--shadow2);
  padding:26px;
}

.empty h2{font-size:1.2rem;margin-bottom:6px}
.empty p{color:var(--muted)}

.editor{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:14px;
  box-shadow:var(--shadow2);
  padding:18px;
}

.editor__header{
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap:14px;
  flex-wrap:wrap;
  padding-bottom:12px;
  border-bottom:1px solid var(--border);
  margin-bottom:14px;
}

.editor__kicker{color:var(--muted);font-size:.85rem}
.editor__title{font-size:1.35rem;letter-spacing:.2px}
.editor__meta{color:var(--muted);margin-top:4px}

.editor__actions{display:flex;gap:10px;flex-wrap:wrap}

.cards{display:grid;grid-template-columns:1fr;gap:14px}

.card{
  border:1px solid var(--border);
  border-radius:14px;
  overflow:hidden;
}

.card__header{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  padding:12px 12px;
  background:rgba(0,0,0,.02);
  border-bottom:1px solid var(--border);
}

.card__header h2{font-size:1rem}

.tableWrap{overflow:auto}
.table{width:100%;border-collapse:collapse}
.table th,
.table td{padding:10px 10px;border-bottom:1px solid var(--border);vertical-align:middle}
.table th{font-size:.85rem;text-transform:uppercase;letter-spacing:.6px;color:var(--muted);text-align:left;background:#fff;position:sticky;top:0}
.col-actions{width:110px}

.rowActions{display:flex;gap:8px;justify-content:flex-end}

.input{
  width:100%;
  border:1px solid var(--border);
  border-radius:10px;
  padding:10px 12px;
  outline:none;
  background:#fff;
}
.input:focus{border-color:rgba(52,152,219,.7);box-shadow:0 0 0 4px rgba(52,152,219,.15)}

.cellInput{
  width:100%;
  border:1px solid transparent;
  border-radius:8px;
  padding:8px 8px;
  outline:none;
  background:transparent;
}
.cellInput:hover{background:rgba(0,0,0,.03)}
.cellInput:focus{background:#fff;border-color:rgba(52,152,219,.55);box-shadow:0 0 0 4px rgba(52,152,219,.12)}

.btn{
  border:1px solid var(--border);
  background:#fff;
  color:var(--text);
  border-radius:12px;
  padding:10px 12px;
  cursor:pointer;
  font-weight:700;
  transition:transform .06s ease, background .15s ease, opacity .15s ease;
}

.btn:active{transform:translateY(1px)}
.btn:focus-visible{outline:2px solid rgba(52,152,219,.75);outline-offset:2px}

.btn--small{padding:8px 10px;border-radius:10px;font-weight:800}

.btn--primary{
  border-color:rgba(52,152,219,.45);
  background:var(--accent);
  color:#fff;
}
.btn--primary:hover{opacity:.95}

.btn--ghost{
  background:transparent;
}
.btn--ghost:hover{background:rgba(0,0,0,.04)}

.btn--danger{
  border-color:rgba(192,57,43,.35);
  background:rgba(192,57,43,.10);
  color:var(--danger);
}
.btn--danger:hover{background:rgba(192,57,43,.14)}

.btnIcon{
  width:34px;
  height:34px;
  border-radius:10px;
  border:1px solid var(--border);
  background:#fff;
  cursor:pointer;
}
.btnIcon:hover{background:rgba(0,0,0,.04)}

.footerHint{margin-top:12px;color:var(--muted);font-size:.9rem}