:root{color-scheme:dark;font-family:-apple-system,BlinkMacSystemFont,SF Pro Text,Inter,system-ui,sans-serif;background:#0a0a0b;color:#f5f5f5}*{box-sizing:border-box}body{margin:0;background:#0a0a0b}.gate{min-height:100svh;display:grid;place-items:center;padding:24px;background:radial-gradient(circle at 50% 30%,#1d1d20 0,#0a0a0b 45%)}.gateBox{width:min(100%,360px);text-align:center}.mark{width:56px;height:56px;border-radius:18px;background:#f2f2f2;color:#111;display:grid;place-items:center;margin:0 auto 36px;font-weight:700;font-size:21px}.gate form{display:grid;grid-gap:12px;gap:12px}.gate input{height:58px;border:1px solid #29292c;background:#121214;color:white;border-radius:16px;font-size:24px;letter-spacing:.45em;text-align:center;padding-left:.45em;outline:none}.app footer button,.gate button{border:0;border-radius:14px;background:#f2f2f2;color:#111;font-weight:700;height:48px}.gate button:disabled{opacity:.35}.error{color:#ff7d7d;font-size:13px}.app{height:100svh;max-width:760px;margin:auto;display:grid;grid-template-rows:auto 1fr auto;background:#0d0d0f;border-left:1px solid #18181a;border-right:1px solid #18181a}.app header{height:68px;padding:0 18px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid #1c1c1f;background:rgba(13,13,15,.92);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px)}header strong{display:block;font-size:16px}header span{display:block;color:#777;font-size:11px;margin-top:2px}.ghost{background:transparent;border:1px solid #2a2a2e;color:#aaa;border-radius:10px;padding:8px 11px}.messages{overflow:auto;padding:18px 14px 24px;display:flex;flex-direction:column;gap:8px}.bubble{max-width:78%;padding:10px 12px 7px;border-radius:18px;background:#1d1d21;align-self:flex-start}.bubble.mine{align-self:flex-end;background:#e9e9eb;color:#111}.bubble p{margin:0;white-space:pre-wrap;word-break:break-word;font-size:15px;line-height:1.35}.bubble small{display:block;text-align:right;opacity:.45;margin-top:5px;font-size:10px}.empty{margin:auto;color:#555;font-size:13px}.app footer{border-top:1px solid #1c1c1f;padding:10px 12px calc(10px + env(safe-area-inset-bottom));background:#101012}.toggle{display:flex;align-items:center;gap:7px;color:#777;font-size:11px;margin:0 2px 8px}.toggle input{accent-color:#ddd}.app footer form{display:grid;grid-template-columns:1fr auto;grid-gap:8px;gap:8px;align-items:end}.app textarea{resize:none;min-height:46px;max-height:120px;border:1px solid #29292d;border-radius:16px;background:#18181b;color:#f4f4f4;padding:13px 14px;font:inherit;outline:none}.app footer button{padding:0 16px;height:46px}@media(max-width:600px){.app{border:0}.bubble{max-width:86%}}