*{margin:0;padding:0;box-sizing:border-box}:root{--bg:#f7f4ee;--card:#ffffff;--ink:#2b2620;--muted:#8a8073;--brand:#8b5e3c;--brand-soft:#f0e6da;--me:#dcefd8;--danger-bg:#fdecea;--danger-ink:#a4362a}body,html{height:100%}body{background:var(--bg);color:var(--ink);font-family:-apple-system,PingFang HK,Noto Sans TC,sans-serif;font-size:18px;line-height:1.65}.shell{max-width:640px;margin:0 auto;min-height:100dvh;display:flex;flex-direction:column}header.top{padding:14px 18px 10px;display:flex;align-items:baseline;gap:10px;border-bottom:1px solid #e7e0d4;background:var(--bg);position:-webkit-sticky;position:sticky;top:0;z-index:5}header.top h1{font-size:22px;color:var(--brand)}header.top .streak{margin-left:auto;font-size:15px;color:var(--muted)}.actions{padding:10px 18px;border-bottom:1px solid #e7e0d4;background:#fbf8f2}.actions h2{font-size:15px;color:var(--muted);font-weight:600;margin-bottom:6px}.action-row{display:flex;align-items:center;gap:10px;padding:6px 0;font-size:17px}.action-row button.tick{width:30px;height:30px;border-radius:50%;border:2px solid var(--brand);background:#fff;font-size:16px;cursor:pointer;flex-shrink:0}.action-row.done button.tick{background:var(--brand);color:#fff}.action-row.done span{text-decoration:line-through;color:var(--muted)}.chat{flex:1 1;padding:16px 14px 8px;display:flex;flex-direction:column;gap:12px;overflow-y:auto}.bubble{max-width:86%;padding:12px 16px;border-radius:18px;white-space:pre-wrap;word-break:break-word}.bubble.ai{background:var(--card);border:1px solid #ece5d8;border-bottom-left-radius:6px;align-self:flex-start}.bubble.me{background:var(--me);border-bottom-right-radius:6px;align-self:flex-end}.bubble a{color:var(--brand)}.crisis-card{align-self:stretch;background:var(--danger-bg);color:var(--danger-ink);border:1px solid #f2c4bd;border-radius:14px;padding:14px 16px;font-size:17px}.crisis-card strong{display:block;margin-bottom:6px}.crisis-card a{color:var(--danger-ink);font-weight:700;text-decoration:none;display:block;padding:4px 0}.typing{color:var(--muted);font-size:15px;padding-left:6px}form.composer{display:flex;gap:10px;padding:12px 14px calc(14px + env(safe-area-inset-bottom));background:var(--bg);border-top:1px solid #e7e0d4;position:-webkit-sticky;position:sticky;bottom:0}form.composer textarea{flex:1 1;font:inherit;font-size:18px;padding:12px 14px;border-radius:14px;border:1px solid #d8cfc0;resize:none;background:#fff;max-height:120px}form.composer button{align-self:flex-end;border:none;background:var(--brand);color:#fff;font-size:18px;padding:12px 20px;border-radius:14px;cursor:pointer}form.composer button:disabled{opacity:.5}.gate{min-height:100dvh;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:18px;padding:24px;text-align:center}.gate h1{color:var(--brand);font-size:30px}.gate p{color:var(--muted);max-width:340px}.gate input{font-size:20px;padding:12px 16px;border-radius:12px;border:1px solid #d8cfc0;text-align:center;width:260px}.gate button{border:none;background:var(--brand);color:#fff;font-size:19px;padding:12px 34px;border-radius:12px;cursor:pointer}.gate .err{color:var(--danger-ink);font-size:16px}.backbtn{border:1px solid #d8cfc0;background:#fff;color:var(--brand);font-size:16px;padding:8px 14px;border-radius:10px;cursor:pointer}.usercard{display:block;width:100%;text-align:left;background:var(--card);border:1px solid #ece5d8;border-radius:14px;padding:16px 18px;font:inherit;cursor:pointer}.usercard-head{display:flex;align-items:center;gap:10px;font-size:20px}.crisis-count{color:var(--danger-ink);font-size:16px;font-weight:700}.usercard-meta{color:var(--muted);font-size:15px;margin-top:4px}.usercard-notes{color:var(--ink);font-size:15px;margin-top:6px;border-top:1px dashed #ece5d8;padding-top:6px}.daysep{align-self:center;color:var(--muted);font-size:14px;background:#efe9dd;border-radius:999px;padding:4px 14px;margin:6px 0}.bubble.crisis-flag{border:2px solid #e29b91}.crisis-tag{color:var(--danger-ink);font-size:14px;font-weight:700;margin-bottom:4px}.msgtime{color:var(--muted);font-size:12.5px;margin-top:6px;text-align:right}