:root{color-scheme:light;--paper:#faf7f1;--wall:#f4ede2;--ink:#44392e;--muted:#796b5c;--line:#e5dbcc;--accent:#8a6744;--own:#eadac3;--viewport:100dvh;font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);background:#e8e0d3;font-size:16px}*{box-sizing:border-box}body{margin:0}button,input,textarea,select{font:inherit}button{cursor:pointer;touch-action:manipulation}button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:2px solid var(--accent);outline-offset:4px}button:disabled{cursor:default;opacity:.45}button,select{-webkit-tap-highlight-color:transparent}::selection{background:#dfc6a3;color:#35281b}button svg{width:21px;height:21px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}.house{height:var(--viewport);max-width:1380px;margin:auto;display:grid;grid-template-columns:minmax(320px,.88fr) minmax(440px,1.12fr);background:var(--paper);overflow:hidden}.room{position:relative;isolation:isolate;overflow:hidden;background:#e6d7bd;min-height:0;border-right:1px solid var(--line)}.room-heading{position:absolute;inset:32px 34px auto;display:flex;align-items:center;justify-content:space-between;z-index:2}.house-mark{font-size:15px;font-weight:600;letter-spacing:.14em}.quiet-button{border:0;background:transparent;color:var(--muted);padding:12px 8px;min-height:44px;font-size:13px}.quiet-button:hover{color:var(--ink)}.room-art{position:absolute;width:100%;height:100%;object-fit:cover;object-position:center}.room-caption{position:absolute;left:10%;top:16%;z-index:1}.room-caption h1{font-size:clamp(31px,3vw,44px);font-weight:500;line-height:1.55;letter-spacing:.08em;margin:0 0 16px}.room-caption p{font-size:14px;color:#6f5c47;letter-spacing:.08em}.room-caption #room-time{display:block;font-size:12px;letter-spacing:.08em;margin-top:24px;color:#79664f}.room-footer{position:absolute;bottom:35px;left:10%;font-size:11px;letter-spacing:.16em;color:#705d48}.conversation{min-height:0;position:relative;display:flex;flex-direction:column;background:var(--paper)}.chat-header{display:flex;align-items:center;gap:13px;padding:25px 32px 21px;border-bottom:1px solid var(--line);flex-shrink:0}.portrait{width:48px;height:48px;background:#eee5da;border-radius:18px;overflow:hidden;display:grid;place-items:center}.portrait img{width:100%;height:100%;object-fit:cover;object-position:50% 30%}.portrait span{font-size:20px;color:var(--accent)}.chat-title{flex:1}.chat-title h2{font-size:18px;line-height:1.5;margin:0 0 3px;font-weight:600;letter-spacing:.06em}.chat-title p{margin:0;font-size:11px;display:flex;align-items:center;gap:6px;color:var(--muted)}.status-dot{height:5px;width:5px;background:#9c9082;border-radius:50%}.online .status-dot{background:#688264}.history{overflow:auto;overscroll-behavior:contain;flex:1;min-height:0;padding:25px 32px 12px;scrollbar-width:thin;scrollbar-color:#d6c7b4 transparent}.empty{height:100%;min-height:160px;display:flex;flex-direction:column;justify-content:center;align-items:center;padding-bottom:40px;text-align:center;color:var(--muted)}.empty-line{height:37px;border-left:1px solid #cab79e;margin-bottom:18px;transform:rotate(18deg)}.empty p{font-size:17px;letter-spacing:.06em;margin:0 0 12px;color:#665644}.empty span{font-size:12px}.date-divider{font-size:11px;text-align:center;color:var(--muted);margin:15px 0 24px;letter-spacing:.05em}.message-group{display:flex;flex-direction:column;align-items:flex-start;gap:6px;margin-bottom:21px}.message-group.own{align-items:flex-end}.bubble{max-width:min(88%,520px);white-space:pre-wrap;overflow-wrap:anywhere;line-height:1.75;padding:12px 17px;border-radius:3px 17px 17px 17px;background:#f0eae1;color:var(--ink);font-size:15px;user-select:text}.own .bubble{background:var(--own);border-radius:17px 3px 17px 17px}.message-meta{font-size:10px;color:var(--muted);display:flex;align-items:center;gap:8px;padding:0 3px}.copy-message{font-size:10px;border:0;background:transparent;color:var(--muted);padding:4px 7px;min-height:28px}.copy-message:hover{color:var(--ink);text-decoration:underline}.sticker{width:135px;height:135px;object-fit:contain;margin-top:4px}.reply-state{font-size:12px;color:var(--muted);min-height:23px;padding:0 32px}.notice{font-size:12px;line-height:1.6;padding:9px 14px;background:#eee4d5;margin:0 25px 9px;border-radius:8px;color:#6c5135}.composer{display:flex;gap:11px;align-items:flex-end;margin:0 25px;padding:8px 9px 8px 16px;background:#fffdf9;border:1px solid #ded1c0;border-radius:18px}.composer textarea{flex:1;min-width:0;resize:none;border:0;outline:none;background:transparent;color:var(--ink);padding:8px 0;line-height:1.5;font-size:16px;max-height:135px;caret-color:var(--accent)}textarea::placeholder{color:#897a69}.composer button{background:var(--accent);color:#fffaf2;border:0;width:43px;min-width:43px;height:43px;border-radius:12px;display:grid;place-items:center}.composer button span{display:none}.composer-note{text-align:center;font-size:10px;color:var(--muted);padding:10px 15px 18px;flex-shrink:0}.new-message{position:absolute;bottom:137px;left:50%;transform:translateX(-50%);border:1px solid var(--line);background:#fffdf8;color:var(--accent);padding:10px 16px;border-radius:22px;font-size:12px;white-space:nowrap;box-shadow:0 5px 16px #49342212}.new-message[hidden],.notice[hidden],[hidden]{display:none!important}dialog{border:1px solid var(--line);border-radius:22px;background:var(--paper);color:var(--ink);padding:30px;width:min(430px,calc(100vw - 32px));max-height:85dvh;overflow:auto;box-shadow:0 20px 80px #35261924}dialog::backdrop{background:#312a224d;backdrop-filter:blur(4px)}dialog h2{font-size:26px;font-weight:500;line-height:1.55;margin:8px 0 16px}dialog p{font-size:14px;line-height:1.8;color:var(--muted)}dialog label{display:block;font-size:13px;margin:22px 0 9px}dialog input{width:100%;background:#fffdf9;border:1px solid #cdbba2;border-radius:10px;padding:13px 12px;font-size:16px;color:var(--ink)}.dialog-mark{font-size:12px;color:var(--accent)}.primary-button{display:block;background:var(--accent);color:#fffaf2;border:0;border-radius:12px;width:100%;padding:14px;margin-top:20px}.secondary-button{width:100%;background:#eee3d3;border:1px solid var(--line);border-radius:10px;color:var(--ink);padding:13px;margin-top:16px}.text-button{border:0;background:transparent;color:var(--muted);font-size:12px;line-height:1.6;text-decoration:underline;padding:16px 0}.settings-head{display:flex;align-items:center;justify-content:space-between}.settings-head h2{font-size:23px;margin:0}.setting-row{border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:14px 0;display:flex;align-items:center;justify-content:space-between;margin-top:20px}.setting-row label{margin:0}.setting-row select{background:transparent;border:0;color:var(--ink);padding:10px;font-size:13px}.connection-info{font-size:12px;line-height:1.8;overflow-wrap:anywhere;color:var(--muted);margin-top:20px}.credits{font-size:10px!important;margin:8px 0 0}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}body.night{--paper:#292b31;--wall:#32343a;--ink:#eee4d8;--muted:#b8aa98;--line:#45434a;--accent:#b79877;--own:#50473f;color-scheme:dark}body.night .room-art{filter:brightness(.55) saturate(.65)}body.night .room-caption h1,body.night .house-mark{color:#eee0c8}body.night .room-caption p,body.night .room-caption #room-time,body.night .room-footer{color:#d0bca0}body.night .bubble{background:#3b3a3d}body.night .own .bubble{background:var(--own)}body.night .composer,body.night dialog input{background:#323238;border-color:#55505a}body.night .notice{background:#4a4036;color:#ebcfad}body.night .empty p{color:#d2bfa7}body.night .secondary-button{background:#47403b}body.night .new-message{background:#36333a}body.night .quiet-button{color:#d0bca0}
@media(min-width:1381px){.house{height:calc(var(--viewport) - 64px);margin:32px auto;border-radius:22px;border:1px solid #ded1c0;box-shadow:0 16px 60px #69513714}}
@media(max-width:760px){.house{display:flex;flex-direction:column;height:var(--viewport);width:100%}.room{height:190px;min-height:190px;border-right:0;border-bottom:1px solid var(--line)}.room-heading{inset:calc(10px + env(safe-area-inset-top)) 21px auto}.house-mark{font-size:12px;letter-spacing:.13em}.room-art{object-position:center 63%;opacity:.9}.room-caption{left:24px;top:auto;bottom:27px}.room-caption h1{font-size:23px;line-height:1.5;letter-spacing:.06em;margin:0}.room-caption h1 br{display:none}.room-caption p{font-size:10px;margin:7px 0 0}.room-caption #room-time,.room-footer{display:none}.conversation{flex:1}.chat-header{padding:13px 21px 12px;gap:11px}.portrait{width:39px;height:39px;border-radius:14px}.chat-title h2{font-size:16px}.history{padding:18px 19px 8px}.bubble{max-width:90%;font-size:15px;padding:11px 15px}.composer{margin:0 13px;padding-left:14px;border-radius:17px}.composer-note{padding-bottom:max(11px,env(safe-area-inset-bottom));font-size:9px}.reply-state{padding:0 22px;min-height:21px;font-size:11px}.notice{margin:0 14px 8px}.message-group{margin-bottom:18px}.keyboard-open .room{height:73px;min-height:73px}.keyboard-open .room-caption{display:none}.keyboard-open .room-art{object-position:center 55%}.keyboard-open .chat-header{padding-top:8px;padding-bottom:8px}.keyboard-open .composer-note{padding:5px 0}.empty p{font-size:15px}.empty span{font-size:11px}.new-message{bottom:125px}}
@media(max-height:650px) and (min-width:761px){.room-caption{top:17%}.room-caption h1{font-size:30px}}
@media(prefers-reduced-motion:no-preference){.message-group{animation:arrive .2s ease-out}@keyframes arrive{from{opacity:.4;transform:translateY(5px)}to{opacity:1;transform:translateY(0)}}}
/* The document stays still; only the transcript scrolls when iOS pans its visual viewport. */
html{width:100%;height:100%;overflow:hidden;overscroll-behavior:none}
body{position:fixed;inset:0;width:100%;height:100%;overflow:hidden;overscroll-behavior:none}
.house{position:absolute;top:var(--viewport-top,0px);left:50%;transform:translateX(-50%);width:100%;margin-inline:0}
.history{overflow-anchor:none;-webkit-overflow-scrolling:touch}
.message-group{animation:none}
.connection-info{white-space:pre-line}
@media(prefers-reduced-motion:no-preference){.bubble.arriving{animation:arrive .2s ease-out}}