:root{--text-main:#eaf6ff;--muted:#8da0ba;--accent:#57e6ff;--surface:#060a14;--card-bg:#080e1edb;--card-border:#71c8ff3d;--field-bg:#0c1428e6;--field-border:#2a3d66;--badge-bg:#12213f;font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-family:Sora,Avenir Next,Segoe UI,sans-serif}*{box-sizing:border-box}body{color:var(--text-main);background:radial-gradient(circle at 12% 8%, #112149 0%, transparent 42%), radial-gradient(circle at 88% 6%, #2b1450 0%, transparent 38%), radial-gradient(circle at 50% 110%, #081226 0%, transparent 50%), var(--surface);min-height:100vh;margin:0}#root{min-height:100vh}.app-shell{isolation:isolate;gap:0;max-width:900px;margin:0 auto;padding:20px 16px 200px;display:grid;position:relative}.app-shell:before{content:"";z-index:-1;pointer-events:none;opacity:.35;background:repeating-linear-gradient(#57e6ff0a 0 1px,#0000 1px 7px);position:absolute;inset:0}.feed-panel{flex-direction:column;gap:0;display:flex}.questions{gap:14px;padding:8px 2px;display:grid}.chat-message{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-radius:14px;gap:6px;width:fit-content;max-width:min(82%,620px);padding:11px 13px 13px;animation:.42s ease-out both floatIn;display:grid;position:relative}.chat-message.incoming{background:linear-gradient(#0f1f3fe0 0%,#0a1830e0 100%);border:1px solid #5cceff59;justify-self:start;box-shadow:inset 0 0 0 1px #7fdfff1a,0 0 18px #57e6ff2e}.chat-message.outgoing{background:linear-gradient(#2f1454e6 0%,#241043e6 100%);border:1px solid #d674ff66;justify-self:end;box-shadow:inset 0 0 0 1px #e49dff21,0 0 20px #c45aff3d}.chat-message:after{content:"";width:10px;height:10px;position:absolute;bottom:10px;transform:rotate(45deg)}.chat-message.incoming:after{background:#0a1830f5;border-bottom:1px solid #5cceff59;border-left:1px solid #5cceff59;left:-5px}.chat-message.outgoing:after{background:#241043f5;border-top:1px solid #d674ff66;border-right:1px solid #d674ff66;right:-5px}.message-meta{justify-content:space-between;align-items:center;gap:12px;display:flex}.sender{letter-spacing:.08em;text-transform:uppercase;color:#7ae7ffd6;font-size:.72rem;font-weight:700}.question-item p{margin:0;line-height:1.45}.question-item time{color:#adc2ddd1;white-space:nowrap;font-size:.76rem}.chat-message.skeleton{pointer-events:none;min-height:84px}.chat-message.skeleton.skeleton-block{background:linear-gradient(#0e1b32c7 0%,#0a1529b8 100%);border:1px solid #5cceff33;justify-self:stretch;width:100%;max-width:none;box-shadow:inset 0 0 0 1px #7fdfff0d}.chat-message.skeleton:after{display:none}.mui-skeleton{background-color:#91d0ff33;border-radius:999px;transform:none}.mui-skeleton:after{background:linear-gradient(90deg,#0000 0%,#ffffff6b 50%,#0000 100%)}.feedback{margin:0;font-size:.93rem}.feedback.error{color:#ff768f}.feedback.empty{color:var(--muted)}.sr-only{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.composer-shell{z-index:10;background:0 0;border:none;width:min(900px,100vw - 24px);padding:0;position:fixed;bottom:80px;left:50%;transform:translate(-50%)}.ask-form{-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);background:linear-gradient(170deg,#070f21e0 0%,#09132bc7 100%);border:1px solid #62b8ff57;border-radius:22px;align-items:flex-end;gap:10px;padding:10px 10px 10px 16px;display:flex;box-shadow:0 0 0 1px #4daaff1f,0 14px 38px #020a1eb8}.ask-form:focus-within{border-color:#6defffb8;box-shadow:0 0 0 1px #6defff38,0 0 28px #54e2ff33}textarea{resize:none;width:100%;min-height:42px;max-height:140px;color:var(--text-main);font:inherit;background:0 0;border:none;outline:none;padding:6px 0;font-size:.97rem;line-height:1.5}textarea::placeholder{color:#9ab3d4b8}.input-wrap{flex-direction:column;flex:1;gap:4px;min-width:0;display:flex}.counter{color:#84cde7db;text-align:left;padding-left:2px;font-size:.76rem}button{color:#fff;cursor:pointer;background:linear-gradient(145deg,#55e9ff 0%,#6b8dff 55%,#b167ff 100%);border:0;border-radius:50%;flex-shrink:0;place-items:center;width:42px;height:42px;transition:transform .18s,opacity .2s,box-shadow .2s;display:grid;box-shadow:0 0 14px #60d4ff70}button:hover:not(:disabled){transform:scale(1.09);box-shadow:0 0 22px #7fe2ff9e}button:disabled{opacity:.6;cursor:not-allowed}@keyframes floatIn{0%{opacity:0;filter:blur(2px);transform:translateY(12px)scale(.98)}to{opacity:1;filter:blur();transform:translateY(0)scale(1)}}@media (width<=640px){.app-shell{padding:16px 10px 190px}.chat-message{max-width:90%}.composer-shell{width:calc(100vw - 16px);bottom:10px}.ask-form{border-radius:18px;padding:8px 8px 8px 14px}}