:root{--bg:#090806;--panel:#15120e;--panel-2:#1d1913;--line:#393026;--line-strong:#5b4935;--text:#f7efe2;--muted:#b6a993;--gold:#e9b95f;--red:#a83f3f;--teal:#4fb7a7;--ink:#0f0d0a;--shadow:0 24px 60px #00000052}*{box-sizing:border-box}html,body{min-height:100%}body{background:linear-gradient(90deg, #e9b95f14 1px, transparent 1px), linear-gradient(0deg, #4fb7a70d 1px, transparent 1px), radial-gradient(circle at 50% -20%, #a83f3f2e, transparent 34rem), var(--bg);color:var(--text);background-size:44px 44px,44px 44px,auto,auto;margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}button,input,textarea,select{font:inherit}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.55}.app-shell{grid-template-columns:minmax(280px,330px) minmax(0,1fr);min-height:100vh;display:grid}.side-panel{border-right:1px solid 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textarea{resize:none;background:0 0;border:0;min-height:46px;max-height:180px;padding:12px 4px}.composer textarea:focus{box-shadow:none}.composer button{background:var(--gold);color:#1a1208;min-width:118px}.gate-shell{place-items:center;min-height:100vh;padding:22px;display:grid}.gate-panel{border:1px solid var(--line-strong);width:min(100%,430px);box-shadow:var(--shadow);background:#15120ef0;border-radius:8px;gap:16px;padding:24px;display:grid}.gate-mark{border-radius:8px;width:46px;height:46px}.gate-field{grid-template-columns:minmax(0,1fr) auto;gap:10px;display:grid}.gate-error{color:#ffb5a8;margin:0}@keyframes spin{to{transform:rotate(360deg)}}@media (max-width:880px){.app-shell{grid-template-columns:1fr}.side-panel{border-right:0;border-bottom:1px solid var(--line)}.chat-shell{min-height:70vh}}@media 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