:root {
  --bg: #f4f6fb;
  --card: #ffffff;
  --text: #0f172a;
  --muted: #64748b;
  --line: #e2e8f0;
  --pri: #7c3aed;
  --pri2: #6d28d9;
  --ok: #16a34a;
  --bad: #dc2626;
  --warn: #d97706;
  --side: #ffffff;
  --side-w: 260px;
}
* { box-sizing: border-box; }
body { margin:0; font-family: Inter, system-ui, -apple-system, sans-serif; background:var(--bg); color:var(--text); }
a { color: var(--pri); text-decoration: none; }
.auth-wrap { min-height:100vh; display:grid; place-items:center; padding:20px; background: linear-gradient(180deg,#f8fafc,#eef2ff); }
.auth-card { width:min(440px,100%); background:#fff; border-radius:20px; padding:28px 24px 32px; box-shadow:0 10px 40px rgba(15,23,42,.08); border:1px solid var(--line); }
.auth-logo { width:56px; height:56px; border-radius:16px; background:linear-gradient(135deg,var(--pri),#a78bfa); display:grid; place-items:center; margin:0 auto 12px; color:#fff; font-size:24px; }
.auth-card h1 { text-align:center; margin:0 0 4px; font-size:1.35rem; }
.auth-card .sub { text-align:center; color:var(--muted); margin:0 0 18px; font-size:.9rem; }
.tabs { display:flex; gap:6px; background:#f1f5f9; padding:4px; border-radius:12px; margin-bottom:16px; }
.tabs button { flex:1; border:0; background:transparent; padding:10px; border-radius:10px; font-weight:600; color:var(--muted); cursor:pointer; }
.tabs button.on { background:#fff; color:var(--text); box-shadow:0 1px 3px rgba(0,0,0,.08); }
label { display:block; font-size:.8rem; color:var(--muted); margin:0 0 6px; }
input, textarea, select { width:100%; padding:12px 14px; border:1px solid var(--line); border-radius:12px; font-size:.95rem; margin-bottom:12px; background:#fff; }
input:focus, textarea:focus { outline:2px solid #ddd6fe; border-color:var(--pri); }
.btn { display:inline-flex; align-items:center; justify-content:center; gap:6px; border:0; border-radius:12px; padding:12px 16px; font-weight:600; cursor:pointer; }
.btn-pri { background:var(--pri); color:#fff; width:100%; }
.btn-pri:hover { background:var(--pri2); }
.btn-ghost { background:#f1f5f9; color:var(--text); }
.btn-ok { background:#dcfce7; color:#166534; }
.btn-bad { background:#fee2e2; color:#991b1b; }
.btn-sm { padding:8px 12px; border-radius:10px; font-size:.8rem; }
.hint { background:#f8fafc; border:1px solid var(--line); border-radius:12px; padding:12px; font-size:.85rem; color:var(--muted); margin-bottom:14px; line-height:1.45; }
.err { color:#dc2626; font-size:.85rem; margin-bottom:10px; display:none; }
.okmsg { color:#16a34a; font-size:.85rem; margin-bottom:10px; display:none; line-height:1.4; }

/* App shell */
.app { display:flex; min-height:100vh; }
.sidebar { width:var(--side-w); background:var(--side); border-right:1px solid var(--line); display:flex; flex-direction:column; position:fixed; inset:0 auto 0 0; z-index:20; }
.side-head { padding:16px; border-bottom:1px solid var(--line); display:flex; gap:10px; align-items:center; }
.avatar { width:42px; height:42px; border-radius:50%; background:linear-gradient(135deg,var(--pri),#c084fc); color:#fff; display:grid; place-items:center; font-weight:700; flex-shrink:0; overflow:hidden; }
.avatar img { width:100%; height:100%; object-fit:cover; }
.side-nav { padding:12px; display:flex; flex-direction:column; gap:4px; flex:1; }
.side-nav a, .side-nav button.nav {
  display:flex; align-items:center; gap:10px; padding:11px 12px; border-radius:12px;
  border:0; background:transparent; color:var(--text); font-weight:500; cursor:pointer; text-align:left; font-size:.92rem;
}
.side-nav a.on, .side-nav button.nav.on { background:var(--pri); color:#fff; }
.side-foot { padding:12px; border-top:1px solid var(--line); }
.main { margin-left:var(--side-w); flex:1; padding:22px; max-width:960px; }
.page h2 { margin:0 0 6px; font-size:1.5rem; }
.page .desc { color:var(--muted); margin:0 0 18px; }
.card { background:var(--card); border:1px solid var(--line); border-radius:16px; padding:18px; margin-bottom:14px; }
.stat { display:flex; gap:14px; align-items:center; }
.stat-ico { width:44px; height:44px; border-radius:12px; background:#f3e8ff; color:var(--pri); display:grid; place-items:center; font-size:1.2rem; }
.stat b { display:block; font-size:1.4rem; }
.stat span { color:var(--muted); font-size:.85rem; }
.grid2 { display:grid; gap:12px; }
.badge { display:inline-block; padding:3px 10px; border-radius:999px; font-size:.72rem; font-weight:700; }
.badge-on { background:#ede9fe; color:var(--pri); }
.badge-off { background:#fee2e2; color:#991b1b; }
.badge-exp { background:#ffedd5; color:#9a3412; }
.lic-card { border:1px solid var(--line); border-radius:14px; padding:14px; margin-bottom:12px; background:#fff; }
.lic-key { font-family:ui-monospace,monospace; font-weight:700; font-size:.95rem; word-break:break-all; }
.row { display:flex; flex-wrap:wrap; gap:8px; align-items:center; margin-top:10px; }
.muted { color:var(--muted); font-size:.85rem; }
.search { margin-bottom:12px; }
.filters { display:flex; gap:8px; margin-bottom:14px; flex-wrap:wrap; }
.filters button { border:1px solid var(--line); background:#fff; padding:8px 14px; border-radius:999px; cursor:pointer; font-weight:600; font-size:.85rem; }
.filters button.on { background:var(--pri); color:#fff; border-color:var(--pri); }
.modal-bg { position:fixed; inset:0; background:rgba(15,23,42,.45); display:none; place-items:center; z-index:50; padding:16px; }
.modal-bg.show { display:grid; }
.modal { background:#fff; width:min(480px,100%); border-radius:16px; padding:20px; max-height:90vh; overflow:auto; }
.modal h3 { margin:0 0 14px; }
.log-item { border:1px solid var(--line); border-radius:12px; padding:12px; margin-bottom:10px; background:#fff; }
.user-row { display:flex; gap:12px; align-items:center; padding:12px; border:1px solid var(--line); border-radius:14px; margin-bottom:10px; background:#fff; }
.topbar-mobile { display:none; padding:12px 16px; background:#fff; border-bottom:1px solid var(--line); position:sticky; top:0; z-index:15; }
@media (max-width:800px) {
  .sidebar { transform:translateX(-105%); transition:.2s; }
  .sidebar.open { transform:none; }
  .main { margin-left:0; }
  .topbar-mobile { display:flex; align-items:center; justify-content:space-between; }
}