:root{
  color-scheme:light dark;
  font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  --bg:#eef3fa;--panel:#fff;--text:#17202a;--muted:#667085;--border:#dce4ee;
  --accent:#2452a4;--success:#147d64;--success-bg:#dff7ef;--warning:#a15c00;--warning-bg:#fff1d6;
  --danger:#b42318;--radius:12px;
}
@media (prefers-color-scheme:dark){
  :root{--bg:#10151d;--panel:#1a212c;--text:#e7ecf3;--muted:#8b95a5;--border:#2b3442;
    --accent:#5b8bd6;--success:#3ecf9a;--success-bg:#173a2c;--warning:#e0a85c;--warning-bg:#3a2c18;--danger:#e08585;}
}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--text);min-height:100vh}
.hidden{display:none !important}
.shell{max-width:1100px;margin:0 auto;padding:1.5rem}
.topbar{display:flex;align-items:center;justify-content:space-between;margin-bottom:1.5rem}
.topbar h1{font-size:1.5rem;margin:0}
.topbar-right{display:flex;align-items:center;gap:.75rem}
.link-btn{background:none;color:var(--muted);padding:.35rem .1rem;min-height:auto;text-decoration:underline;font-size:.85rem}
.link-btn:hover{color:var(--text)}
.sync-badge{font-size:.8rem;padding:.35rem .7rem;border-radius:999px;background:var(--success-bg);color:var(--success)}
.sync-badge.error{background:var(--danger);color:#fff}
.sync-badge.stale{background:var(--warning-bg);color:var(--warning)}
.panel{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:1.25rem;margin-bottom:1.25rem}
.section-heading{display:flex;align-items:center;justify-content:space-between;margin-bottom:.75rem}
.section-heading h2{font-size:1.05rem;margin:0}
.muted{color:var(--muted);font-size:.9rem}
.notice{background:var(--warning-bg);color:var(--warning);border-radius:var(--radius);padding:.85rem 1rem;font-size:.9rem;margin-bottom:1.25rem}
.stack-form{display:flex;flex-direction:column;gap:.6rem;max-width:320px}
.stack-form input{padding:.65rem .75rem;border-radius:8px;border:1px solid var(--border);background:var(--bg);color:var(--text);font:inherit}
button{border:0;border-radius:8px;padding:.65rem 1rem;background:var(--accent);color:#fff;cursor:pointer;font:inherit;min-height:40px}
button:hover{filter:brightness(.96)}
.error{color:var(--danger);font-size:.9rem}
.inline-check{font-size:.85rem;font-weight:normal;display:flex;align-items:center;gap:.35rem;color:var(--muted)}
.stats-row{display:flex;gap:1rem;margin-bottom:1.25rem;flex-wrap:wrap}
.stat{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:1rem 1.5rem;flex:1;min-width:140px;text-align:center}
.stat-value{display:block;font-size:1.8rem;font-weight:600}
.stat-label{display:block;font-size:.85rem;color:var(--muted);margin-top:.15rem}
.table-wrap{overflow-x:auto}
table{width:100%;border-collapse:collapse;font-size:.9rem}
th,td{text-align:left;padding:.5rem .6rem;border-bottom:1px solid var(--border);white-space:nowrap}
th{color:var(--muted);font-weight:600;font-size:.8rem;text-transform:uppercase;letter-spacing:.03em}
.status-chip{display:inline-block;padding:.15rem .55rem;border-radius:999px;font-size:.78rem;background:var(--success-bg);color:var(--success)}
.status-chip.inactive{background:var(--warning-bg);color:var(--warning)}
.empty{color:var(--muted);font-size:.9rem;padding:.5rem 0}
#loginAdvanced{margin-top:1rem}
#loginAdvanced summary{cursor:pointer;font-size:.85rem;color:var(--muted)}
#loginAdvanced .stack-form{margin-top:.75rem}
#telegramLoginBtn{min-width:200px}