:root{font-family:system-ui,sans-serif;color:#29332f;background:#fff;--accent:#356653;--line:#dfe5e1;--muted:#64726a}*{box-sizing:border-box}body{margin:0}button,input,textarea{font:inherit}button,a,input,textarea{touch-action:manipulation}button{cursor:pointer;border:1px solid var(--accent);border-radius:8px;padding:12px 17px;color:white;background:var(--accent);font-weight:600;min-height:44px}button:disabled{opacity:.5;cursor:wait}.quiet{background:white;color:var(--accent);border-color:var(--line)}a{color:var(--accent);text-underline-offset:4px}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible{outline:3px solid #85b29b;outline-offset:3px}[hidden]{display:none!important}h1,h2,p{margin-top:0}h1{font-size:32px;line-height:1.6;font-weight:650;letter-spacing:.025em}h2{font-size:23px;line-height:1.6}.eyebrow{color:var(--accent);font-size:12px;font-weight:600;letter-spacing:.08em}.small{font-size:13px;color:var(--muted);line-height:1.9}.fine{font-size:11px;color:var(--muted);line-height:1.7;margin:9px 0 0}.login{max-width:450px;margin:8vh auto;padding:32px 26px}.login .intro{line-height:1.9;color:var(--muted);margin-bottom:32px}.login form{display:grid;gap:12px;margin:24px 0}.login form label{font-weight:600;font-size:14px}.login button{display:flex;justify-content:space-between}input,textarea{width:100%;border:1px solid #c5d0c9;border-radius:8px;background:white;padding:13px;color:inherit;font-size:16px}#code{letter-spacing:.09em}footer{display:flex;gap:18px;flex-wrap:wrap;font-size:12px;margin-top:30px}#chat{height:100dvh;display:flex;flex-direction:column}header{padding:20px 28px;border-bottom:1px solid var(--line);display:flex;align-items:center;gap:24px}header h1{font-size:20px;line-height:1.4;margin:2px 0 0}header p{margin:0}.account{margin-left:auto;font-size:14px}.workspace{display:flex;flex:1;min-height:0}aside{width:260px;flex-shrink:0;border-right:1px solid var(--line);padding:24px 18px;overflow:auto;background:#f9fbf9}#new-thread{width:100%;background:white;color:var(--accent)}#threads{margin-top:20px}.thread{padding:10px 0;border-bottom:1px solid var(--line)}.thread .open{display:block;width:100%;border:0;background:transparent;color:inherit;text-align:left;font-weight:400;overflow-wrap:anywhere;padding:8px}.thread.active .open{color:var(--accent);font-weight:650}.thread .delete{padding:5px 10px;min-height:34px;font-size:12px}.confirm-delete{padding:10px 0;font-size:13px}.confirm-delete button{font-size:12px;margin:5px 6px 0 0}.thread.active{background:#edf3ef}main{display:flex;flex-direction:column;min-width:0;flex:1;position:relative}#messages{flex:1;min-height:0;overflow:auto;padding:32px max(22px,calc((100% - 720px)/2));scroll-behavior:smooth}.welcome{margin:10vh 0 30px;line-height:1.9}.welcome .small{max-width:440px}.bubble{margin:0 0 28px;line-height:1.9;overflow-wrap:anywhere;max-width:100%}.bubble.user{background:#f0f4f1;padding:16px 20px;border-radius:12px}.bubble .who{font-size:11px;color:var(--muted);font-weight:650;margin-bottom:8px}.bubble .content p{margin:0 0 5px;min-height:1em}.bubble ul{margin:8px 0;padding-left:24px}#compose{padding:16px max(22px,calc((100% - 720px)/2)) max(16px,env(safe-area-inset-bottom));border-top:1px solid var(--line);background:white}textarea{resize:none;max-height:25dvh;display:block;margin:5px 0 10px}.compose-bottom{display:flex;align-items:center;justify-content:space-between;gap:15px}.notice{background:#f0f4f1;padding:16px 22px;font-size:14px;line-height:1.8}#error{position:fixed;bottom:16px;left:50%;transform:translateX(-50%);width:min(90vw,560px);padding:16px 20px;border:1px solid #c4cdc6;border-radius:10px;background:#fff;box-shadow:0 5px 30px #29332f24;font-size:14px;line-height:1.8;z-index:10;cursor:pointer}#toggle-history{display:none}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%)}.legal{max-width:760px;margin:50px auto;padding:24px;line-height:1.9}.legal h2{margin-top:32px;font-size:19px}
@media(max-width:700px){.login{margin:5vh auto}header{padding:12px 16px;gap:10px;flex-wrap:wrap}header h1{font-size:17px}.account{font-size:12px}.account .small{font-size:11px}#logout{font-size:11px;padding:8px;min-height:36px}.workspace{flex-direction:column}aside{width:100%;padding:8px 16px;border-right:0;border-bottom:1px solid var(--line);overflow:visible}#toggle-history{display:block;padding:6px 10px;font-size:12px;min-height:36px}#history-panel{display:none;max-height:42dvh;overflow:auto;padding:12px 0}aside.expanded #history-panel{display:block}main{min-height:0}#messages{padding:22px 18px}.welcome{margin:5vh 0 20px}.welcome h2{font-size:21px}.welcome p{font-size:14px}#compose{padding:10px 16px max(10px,env(safe-area-inset-bottom))}.bubble{font-size:15px}textarea{max-height:20dvh}footer{margin-top:20px}}

.sr-only{top:0;left:0}body:has(#chat:not([hidden])){overflow:hidden}

.bubble.unsaved{color:#7a807e}.bubble.unsaved .who{color:#7a807e}.unsaved-note{display:block;margin-top:10px;font-size:12px;color:#7a807e}
@media(max-width:700px){aside{display:grid;grid-template-columns:auto 1fr;gap:10px;align-items:center}#new-thread{width:auto;justify-self:end;margin:0}#history-panel{grid-column:1/-1}}