:root{color-scheme:dark;--bg:#070b12;--panel:rgba(15,25,41,.86);--panel-strong:#121d2c;--line:rgba(125,211,252,.18);--text:#e5f3ff;--muted:#8ea4bb;--cyan:#22d3ee;--green:#34d399;--red:#fb7185;--amber:#fbbf24}*{box-sizing:border-box}body{margin:0;min-height:100vh;background:linear-gradient(135deg,rgba(34,211,238,.08),transparent 28%),radial-gradient(circle at 70% 10%,rgba(52,211,153,.12),transparent 26%),var(--bg);color:var(--text);font-family:Arial,Helvetica,sans-serif}a{color:inherit;text-decoration:none}.shell{display:grid;grid-template-columns:280px 1fr;min-height:100vh}.sidebar{border-right:1px solid var(--line);background:rgba(7,11,18,.84);padding:28px 22px;display:flex;flex-direction:column;gap:34px}.brand{display:flex;align-items:center;gap:12px}.brandMark{width:42px;height:42px;display:grid;place-items:center;border:1px solid rgba(34,211,238,.48);background:rgba(34,211,238,.1);color:var(--cyan);font-weight:800}.brand span,.brand strong,.readonly span,.readonly 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