:root{--bg: #0B1020;--panel: #121A30;--text: #E6F2FF;--muted: #B8C7D9;--c1: #00E5FF;--c2: #FF00CC}*{box-sizing:border-box}html,body{height:100%}body{margin:0;background:var(--bg);color:var(--text);font-family:Inter,system-ui,Arial,sans-serif}.layout{display:grid;grid-template-columns:260px 1fr;height:100%}.sidebar{background:linear-gradient(135deg,#00e5ff0f,#ff00cc0d);border-right:1px solid rgba(19,168,254,.25);padding:16px}.brand{font-weight:700;margin-bottom:12px}.sidebar nav{display:grid;gap:8px}.sidebar button{background:#121a30bf;color:var(--text);border:1px solid rgba(19,168,254,.25);border-radius:10px;padding:10px 12px;text-align:left;cursor:pointer}.sidebar button.active{box-shadow:0 0 18px #00e5ff4d,inset 0 0 24px #ff00cc1f;border-color:#00e5ffa6}.content{display:grid;grid-template-rows:auto 1fr}.topbar{display:flex;align-items:center;justify-content:space-between;padding:12px 18px;border-bottom:1px solid rgba(19,168,254,.25);background:linear-gradient(135deg,#00e5ff0f,#ff00cc0d)}#auth{display:flex;gap:10px;align-items:center}.input{background:#121a30bf;color:var(--text);border:1px solid rgba(19,168,254,.25);border-radius:8px;padding:8px 10px}.badge{padding:6px 10px;border-radius:8px;border:1px solid rgba(19,168,254,.35);background:#121a308c}.badge.admin{background:#ec4899}#logoutBtn{display:none}#view{padding:18px}.panel{background:#121a30bf;border:1px solid rgba(19,168,254,.25);border-radius:16px;padding:18px}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.field{display:grid;gap:8px}.btn{background:linear-gradient(135deg,var(--c1),var(--c2));color:#0a0f1e;border:none;border-radius:10px;padding:10px 12px;cursor:pointer}.btn-small{padding:4px 8px;font-size:.8em;background:#f43f5e;color:#fff;border:none;border-radius:4px;cursor:pointer}.btn-small:hover{background:#e11d48}