:root{--bg:#0b0f14;--bg-elevated:#121a22;--bg-soft:#18222d;--border:#243141;--text:#e8eef5;--muted:#8fa3b8;--accent:#3dffa8;--accent-dim:#1f9e68;--danger:#ff6b6b;--warn:#ffc857;--info:#5bb8ff;--radius:12px;--font:"Segoe UI",system-ui,-apple-system,sans-serif}*{box-sizing:border-box}body,html{margin:0;padding:0;min-height:100%;background:radial-gradient(1200px 600px at 10% -10%,#143024 0,transparent 50%),radial-gradient(900px 500px at 100% 0,#0f2740 0,transparent 45%),var(--bg);color:var(--text);font-family:var(--font)}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}button{cursor:pointer}.container{max-width:1200px;margin:0 auto;padding:24px}.card{background:linear-gradient(180deg,rgba(255,255,255,.03),transparent),var(--bg-elevated);border:1px solid var(--border);border-radius:var(--radius);padding:20px;box-shadow:0 10px 40px rgba(0,0,0,.25)}.grid{display:grid;grid-gap:16px;gap:16px}.grid-2{grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid transparent;border-radius:10px;padding:10px 14px;background:var(--accent);color:#04140d;font-weight:600;transition:transform .12s ease,opacity .12s ease}.btn:hover{transform:translateY(-1px)}.btn:disabled{opacity:.5;cursor:not-allowed;transform:none}.btn.secondary{background:transparent;border-color:var(--border);color:var(--text)}.btn.danger{background:transparent;border-color:var(--danger);color:var(--danger)}.input,.select,.textarea{width:100%;background:var(--bg-soft);border:1px solid var(--border);color:var(--text);border-radius:10px;padding:10px 12px;outline:none}.input:focus,.select:focus,.textarea:focus{border-color:var(--accent-dim)}.label{display:block;font-size:.85rem;color:var(--muted);margin-bottom:6px}.field{margin-bottom:14px}.muted{color:var(--muted)}.error{color:var(--danger);font-size:.9rem}.success{color:var(--accent)}.badge{display:inline-flex;align-items:center;border-radius:999px;padding:2px 10px;font-size:.75rem;border:1px solid var(--border);background:var(--bg-soft)}.badge.connected{border-color:var(--accent-dim);color:var(--accent)}.badge.ad{border-color:#6b4cff;color:#c4b5ff}.table{width:100%;border-collapse:collapse}.table-wrap{overflow-x:auto}.badge.danger{border-color:var(--danger);color:var(--danger)}.badge.warn{border-color:var(--warn);color:var(--warn)}.table td,.table th{text-align:left;padding:10px 8px;border-bottom:1px solid var(--border);vertical-align:top}.table th{color:var(--muted);font-weight:500;font-size:.85rem}.nav{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:24px}.nav a{padding:8px 12px;border-radius:999px;border:1px solid transparent;color:var(--muted)}.nav a.active,.nav a:hover{color:var(--text);border-color:var(--border);background:var(--bg-soft)}.shell-header{display:flex;justify-content:space-between;align-items:center;gap:16px;margin-bottom:8px}.logo{font-weight:700;letter-spacing:.04em}.logo span{color:var(--accent)}.stack{flex-direction:column;gap:12px}.row,.stack{display:flex}.row{gap:10px;flex-wrap:wrap;align-items:center}.chat-box{max-height:420px;overflow:auto;display:flex;flex-direction:column;gap:8px;padding:12px;background:var(--bg);border-radius:10px;border:1px solid var(--border)}.bubble{max-width:75%;padding:8px 12px;border-radius:12px;background:var(--bg-soft);border:1px solid var(--border)}.bubble.out{align-self:flex-end;background:rgba(61,255,168,.12);border-color:var(--accent-dim)}.auth-wrap{min-height:100vh;display:grid;place-items:center;padding:24px}.auth-card{width:min(420px,100%)}h1,h2,h3{margin:0 0 8px}p{margin:0 0 12px}