:root{color-scheme:light;--bg:#f4f6fa;--paper:#fdfefe;--ink:#202b3c;--muted:#58677a;--line:#dce3ed;--accent:#2456b8;--tint:#eaf0fb;font-family:-apple-system,BlinkMacSystemFont,'PingFang SC','Microsoft YaHei',sans-serif;font-size:16px;color:var(--ink);background:var(--bg)}
*{box-sizing:border-box}
body{margin:0}
button,input,textarea,select{font:inherit}
button{min-height:44px;padding:10px 18px;border:1px solid transparent;border-radius:12px;background:var(--accent);color:#fdfefe;font-weight:600;cursor:pointer}
button:disabled{opacity:.55;cursor:wait}
.secondary{background:var(--paper);border-color:var(--line);color:var(--ink)}
button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid #84a6e9;outline-offset:3px}
input,textarea,select{width:100%;min-height:44px;border:1px solid #b8c5d6;border-radius:10px;padding:10px 12px;color:var(--ink);background:var(--paper)}
textarea{resize:vertical;line-height:1.6}
label{display:block;margin:14px 0 6px;line-height:1.8}
label input,label select,label textarea{display:block;margin-top:5px}
h1{font-size:30px;line-height:1.35;letter-spacing:-.7px;margin:22px 0 16px}
h2{font-size:20px;margin:28px 0 12px}
h3{font-size:17px;margin:0 0 8px}
p{line-height:1.7;margin:8px 0;overflow-wrap:anywhere}
.shell{max-width:860px;margin:auto;padding:24px 28px 110px}
header{display:flex;justify-content:space-between;align-items:center;gap:16px;border-bottom:1px solid var(--line);padding-bottom:18px}
.brand{font-size:22px;font-weight:700}
.brand span{display:block;font-size:14px;font-weight:400;color:var(--muted);margin-top:4px}
.date{font-size:14px;margin:0;max-width:170px}
.date input{font-size:16px;min-width:0}
main{max-width:700px;margin:0 auto}
.lead,.hint,footer{color:var(--muted)}
.lead{margin-bottom:24px}
.hint{font-size:14px}
footer{margin:30px 0;font-size:14px;text-align:center}
.focus{border-left:4px solid var(--accent);background:var(--tint);border-radius:0 16px 16px 0;padding:20px 24px;margin-bottom:30px}
.focus h2{margin:0}
.focus p{margin:12px 0 20px}
.quiet{background:#edf1f6;border-radius:14px;padding:18px;margin:20px 0}
.entry{padding:20px 0;border-bottom:1px solid var(--line);overflow-wrap:anywhere}
.entry .meta{color:var(--muted);font-size:14px;margin:6px 0 12px}
.entry img{display:block;width:auto;max-width:100%;max-height:220px;object-fit:contain;border-radius:12px;margin-top:12px}
.actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px}
.actions button{flex:1}
.two,.three{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.three{grid-template-columns:repeat(3,minmax(0,1fr))}
details{margin:18px 0;border:1px solid var(--line);border-radius:14px;padding:14px}
summary{min-height:44px;display:flex;align-items:center;cursor:pointer;font-weight:600}
form{margin:20px 0 35px}
.file{font-size:16px}
.file input{padding:8px;font-size:14px}
nav{position:fixed;bottom:0;left:50%;transform:translateX(-50%);width:min(860px,100%);display:flex;padding:10px 16px calc(10px + env(safe-area-inset-bottom));gap:6px;background:#fdfefef5;border-top:1px solid var(--line);z-index:10}
nav button{flex:1;background:transparent;color:var(--muted);padding:10px 6px}
nav button.selected{background:var(--tint);color:var(--accent)}
#notice{position:sticky;top:8px;padding:14px 16px;border:1px solid #b6c6df;background:var(--tint);border-radius:12px;z-index:20;margin-top:12px;overflow-wrap:anywhere}
#network{font-size:14px;color:var(--muted);margin-top:12px}
.exercise{padding:18px;background:var(--paper);border:1px solid var(--line);border-radius:16px;margin:16px 0}
.set{border-top:1px solid var(--line);padding-top:14px;margin-top:18px}
.setHeader{display:flex;justify-content:space-between;align-items:center;gap:8px}
.check{display:flex;align-items:center;gap:10px;min-height:44px}
.check input{width:22px;height:22px;min-height:22px;accent-color:var(--accent);margin:0}
.set small{display:block;color:var(--muted)}
/* Mobile layout: one dock, separate auxiliary sheets. */
:root{--vv-height:100dvh;--vv-top:0px;--keyboard-gap:0px}
*{min-width:0} main{width:100%}
.shell{max-width:560px;min-height:100dvh;padding:18px 18px calc(94px + env(safe-area-inset-bottom))}
header{gap:12px;padding-bottom:14px}.brand{font-size:20px}.date{flex-shrink:0;width:142px}
h1{font-size:25px;margin:20px 0 12px}.lead{margin-bottom:16px}
.focus,.entry{border:1px solid var(--line);border-radius:14px;padding:16px;margin:12px 0;background:var(--paper)}.focus{background:var(--tint)}.focus p{margin:8px 0 14px}
.quick-row{display:flex;gap:8px;margin:12px 0}.quick-row button{flex:1;background:var(--paper);border-color:var(--line);color:var(--ink);padding:10px 6px;font-weight:500}
nav{width:min(560px,100%);bottom:0;z-index:10;padding:8px 12px calc(8px + env(safe-area-inset-bottom))}
.composer{position:fixed;left:50%;transform:translateX(-50%);width:min(524px,calc(100% - 24px));bottom:calc(64px + env(safe-area-inset-bottom) + var(--keyboard-gap));margin:0;padding:10px 12px;background:var(--paper);border:1px solid var(--line);border-radius:16px;z-index:12;box-shadow:0 3px 18px #202b3c12;overflow:visible}
.composer .compose-label{font-size:0;margin:0;line-height:1}.composer #body{font-size:16px;line-height:1.5;resize:none;min-height:62px;height:62px;max-height:90px;margin:0;overflow:auto}
.composer .check{font-size:14px;margin:0 0 6px;min-height:30px;line-height:1.4}.composer .check input{flex:0 0 22px}
.compose-toolbar{display:flex;gap:8px;margin-top:8px}.compose-toolbar button{padding:8px 12px;font-weight:500}.compose-toolbar #send{margin-left:auto;min-width:84px;font-weight:600}
.composer #draftStatus{font-size:12px;line-height:1.4;margin:6px 0 0}.composer #editStatus:empty{display:none}
#chat{padding-bottom:var(--composer-height,230px)}html{scroll-padding-bottom:var(--composer-clearance,90px)}
.photo-strip{display:flex;overflow-x:auto;gap:8px;max-width:100%}.photo-strip:empty{display:none}.photo-strip img{width:72px;height:72px;object-fit:cover;flex-shrink:0}.photo-thumb{flex:0 0 72px}.photo-thumb button{width:72px;padding:6px;min-height:32px;font-size:13px}.composer .photo-strip{max-height:108px;margin-bottom:8px}
.keyboard-open nav{display:none}.keyboard-open .composer{bottom:calc(var(--keyboard-gap) + 6px);border-radius:12px}.keyboard-open .composer .check{min-height:26px;margin-bottom:4px}.keyboard-open .composer #draftStatus{display:none}.keyboard-open #notice{position:static}
.sheet-open{overflow:hidden}.sheet-open .composer,.sheet-open nav{visibility:hidden}
dialog{position:fixed;inset:auto 0 auto;margin:0 auto;top:calc(var(--vv-top) + 8px);width:min(520px,calc(100% - 16px));height:auto;max-height:calc(var(--vv-height) - 16px);overflow:hidden;padding:0;border:1px solid var(--line);border-radius:18px;background:var(--paper);color:var(--ink)}
dialog::backdrop{background:#14182066}dialog form{margin:0;display:flex;flex-direction:column;max-height:calc(var(--vv-height) - 18px)}
.sheet-head{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:10px 14px;border-bottom:1px solid var(--line);flex-shrink:0;background:var(--paper)}.sheet-head h2{margin:0;font-size:18px}.sheet-head button{min-width:44px}
.sheet-body{padding:0 16px 14px;overflow:auto;overscroll-behavior:contain;min-height:0;scroll-padding:12px;flex:1}.sheet-actions{padding:10px 16px calc(10px + env(safe-area-inset-bottom));margin:0;border-top:1px solid var(--line);background:var(--paper);flex-shrink:0}
#composeSheet{display:none}#composeSheet[open]{display:flex;flex-direction:column}#composeSheet details{border:0;padding:0;margin:0}#composeSheet details>summary{display:none}
.context{white-space:pre-wrap;background:var(--bg);padding:10px;border-radius:10px;font-size:14px;max-height:100px;overflow:auto}#detailNotice{color:#a33020}
.set-main{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr) 70px;gap:8px;align-items:end}.set-main input{font-size:20px;text-align:center;padding:10px 4px}.done-check{min-width:44px;padding:10px 4px;margin-bottom:6px}.done-check[aria-pressed=true]{background:#287744}.set details{padding:8px}
.actions button{flex:1 1 100px;min-width:0} [hidden]{display:none!important}
@media(max-width:359px){.shell{padding-left:12px;padding-right:12px}.brand{font-size:18px}.date{width:140px}.three{grid-template-columns:1fr}.set-main label{font-size:14px}h1{font-size:23px}}

#network:empty{display:none}#network{line-height:1.5}#notice{position:static;font-size:14px;padding:10px 12px;z-index:auto}
#todayFacts .entry .analysis-result,#todayFacts .entry>button{display:none}#todayFacts .entry>p:first-child{display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
#overviewConnected section{padding:14px 16px;margin:14px 0;border:1px solid var(--line);border-radius:14px;background:var(--paper)}#overviewConnected h2{margin:0 0 12px}#overviewConnected .entry{padding:12px 0;border-width:0 0 1px;border-radius:0}
.training-options{margin:8px 0;padding:4px 12px}.training-options summary{font-size:14px;color:var(--muted)}.exercise{padding:14px;margin:12px 0}.exercise>label{margin-top:0}.exercise>details{margin:8px 0;padding:4px 10px}.set{padding-top:10px;margin-top:12px}.set .hint{margin:4px 0}.set-main label{margin-top:4px}.training-options .two{grid-template-columns:1fr}
.login-main{width:calc(100% - 40px);max-width:420px;margin:48px auto;padding:0}.login-main button{width:100%;margin-top:12px}.login-main>p:last-child{font-size:14px;color:var(--muted)}
.updates-main{width:100%;max-width:560px;margin:0 auto;padding:22px 20px 40px}.back-link{display:inline-flex;align-items:center;min-height:44px;color:var(--accent);text-decoration:none}.reminder-settings{padding:16px 0}.reminder-settings h2{margin-top:12px}.updates-main article{padding:16px;border:1px solid var(--line);border-radius:14px;background:var(--paper);margin:12px 0}.updates-main article h2{margin:0 0 12px}#push-diagnostics{font-size:13px;color:var(--muted);overflow-wrap:anywhere}#push-diagnostics h2{font-size:16px}
.cloud-session{max-width:560px;margin:0 auto;padding:8px 18px 100px;display:flex;gap:12px;align-items:center;flex-wrap:wrap;font-size:14px}.cloud-session button{background:transparent;color:var(--muted);padding:8px}
@media(min-width:860px){.shell{max-width:980px;display:grid;grid-template-columns:160px minmax(0,1fr);gap:12px 28px}header,#network,#notice,footer{grid-column:1/3}main{grid-column:2;grid-row:4}nav{grid-column:1;grid-row:4;position:sticky;top:20px;left:auto;bottom:auto;transform:none;width:auto;height:fit-content;flex-direction:column;border:0;padding:0}.composer{position:sticky;left:auto;transform:none;width:100%;bottom:16px}#chat{padding-bottom:0}}
/* Approved chat view: in-flow regions, no floating composer. */
.chat-mode .chat-material{display:none!important}#chatTools .chat-material{display:flex!important}#chatTools .chat-material button{color:var(--ink);font-size:13px}.brand b{font-weight:700}.brand-chat,.chat-material,#chatPlus{display:none}
.chat-mode{overflow:hidden;background:radial-gradient(ellipse at 10% 0%,#d7e5ff 0,transparent 55%),radial-gradient(ellipse at 95% 95%,#dce9fa 0,transparent 50%),#eef2f7}
.chat-mode .shell{position:relative;top:var(--vv-top);height:var(--vv-height);min-height:0;max-width:560px;display:flex;flex-direction:column;gap:0;padding:0;overflow:hidden}
.chat-mode header{flex-shrink:0;padding:10px 14px;gap:10px;min-height:72px;background:#ffffffb8;backdrop-filter:blur(22px) saturate(1.2);-webkit-backdrop-filter:blur(22px) saturate(1.2);border-bottom:1px solid #ffffffec;box-shadow:inset 0 1px #fff}
.chat-mode .brand-normal{display:none}.chat-mode .brand-chat{display:block}.chat-mode .brand span{font-size:12px}.chat-mode .brand{flex:1;font-size:18px}
.chat-mode .date{width:126px;font-size:0;max-width:126px}.chat-mode .date input{font-size:13px;padding:6px;min-height:44px;margin:0;background:#ffffffb3;border-color:#dae4ef}
.chat-mode .chat-material{display:flex;gap:0;border:1px solid #fff;border-radius:24px;background:#ffffff70}.chat-material button{background:transparent;color:var(--muted);font-size:12px;font-weight:500;padding:6px 8px;min-width:44px;min-height:44px;border-radius:24px}.chat-material .selected{background:#fff;color:var(--accent);box-shadow:0 1px 4px #20355018}
.chat-mode main{display:flex;flex:1;min-height:0;max-width:none;margin:0;width:100%;overflow:hidden}
.chat-mode #chat{display:flex;flex-direction:column;flex:1;min-height:0;padding:0;overflow:hidden}
.chat-mode #messages{flex:1;min-height:0;overflow-y:auto;overscroll-behavior:contain;padding:16px 14px 12px;scroll-padding:12px}
.chat-mode .composer{position:static;transform:none;left:auto;bottom:auto;width:100%;flex-shrink:0;margin:0;border:0;border-top:1px solid #ffffffe8;border-radius:0;padding:8px 12px;background:#ffffffd1;box-shadow:inset 0 1px #fff;backdrop-filter:blur(22px) saturate(1.2);-webkit-backdrop-filter:blur(22px) saturate(1.2)}
.chat-mode .compose-toolbar{gap:8px;margin-top:6px}.chat-mode #chatPlus{display:block;min-width:44px;padding:6px;font-size:24px;border-radius:24px;background:#ffffffb8}.chat-mode #addPhoto,.chat-mode #composeOptions{display:none}
.chat-mode .composer #body{height:52px;min-height:52px;border:1px solid #dbe3ed;border-radius:14px;background:#fdfefe;font-size:16px}.chat-mode #send{min-width:72px;border-radius:24px;background:#3b6fe0}
.chat-mode .composer .check{min-height:28px;font-size:13px;line-height:1.4}.chat-mode #draftStatus{font-size:12px}.chat-mode #editStatus{font-size:13px}
.chat-mode nav{position:static;transform:none;width:100%;flex-direction:row;flex-shrink:0;padding:6px 12px calc(6px + env(safe-area-inset-bottom));background:#ffffffc7;backdrop-filter:blur(22px);-webkit-backdrop-filter:blur(22px);border-top:1px solid #ffffffed;border-radius:0}
.chat-mode footer,.chat-mode .cloud-session{display:none}.chat-mode #network,.chat-mode #notice{flex-shrink:0;margin:0;padding:7px 14px;font-size:13px;line-height:1.4;border-radius:0;border-width:0 0 1px;max-height:80px;overflow:auto}.chat-mode #network:empty{display:none}
.chat-turn{margin:0 0 18px}.chat-user{display:flex;flex-direction:column;align-items:flex-end;margin-left:36px}.chat-bubble{max-width:86%;border-radius:16px 16px 5px 16px;padding:10px 13px;color:#fff;background:#3b6fe0;overflow-wrap:anywhere;box-shadow:0 1px 2px #284b8420}.chat-bubble p{margin:0;line-height:1.55}.chat-bubble img{display:block;max-width:100%;max-height:220px;object-fit:contain;border-radius:10px;margin-top:8px}
.chat-meta{display:flex;align-items:center;gap:6px;color:#637184;font-size:12px}.chat-more{color:#637184;background:transparent;min-height:44px;min-width:44px;padding:6px;font-size:12px;font-weight:400}.chat-status{font-size:12px;text-align:right;color:#637184;margin:0 4px 4px}
.chat-assistant{display:flex;align-items:flex-start;gap:8px;margin-right:16px;margin-top:2px}.chat-avatar{display:flex;align-items:center;justify-content:center;width:28px;height:28px;flex:0 0 28px;border-radius:50%;color:#fff;background:linear-gradient(140deg,#5a8bf0,#2f55c9);font-size:12px;margin-top:4px}.chat-answer{border-radius:16px 16px 16px 5px;padding:10px 13px;max-width:calc(100% - 36px);background:#fdfefe;border:1px solid #e4e9f1;overflow-wrap:anywhere}.chat-answer p{margin:4px 0;line-height:1.55}.chat-answer .meta{color:#637184;font-size:12px}.chat-answer button{font-size:13px;font-weight:500;margin-top:6px;padding:8px 10px;min-height:44px;background:#edf2fc;color:#2456b8;border:1px solid #dbe5f4}.chat-answer details{margin:8px 0;padding:6px 8px}.chat-answer summary{font-size:13px}.chat-confirmed{margin:0 0 4px 36px;padding:0 10px;border:1px solid #dae4ef;font-size:13px;background:#ffffffa8}.chat-confirmed summary{min-height:44px;font-size:12px;color:#637184}.chat-confirmed button{font-size:13px}.chat-empty{font-size:14px;text-align:center;color:#637184;margin:30px 16px;line-height:1.8}
.tool-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;padding-top:14px}
.chat-mode.pure-chat header,.chat-mode.pure-chat .composer,.chat-mode.pure-chat nav{background:#fdfefe;backdrop-filter:none;-webkit-backdrop-filter:none}.chat-mode.pure-chat{background:#f1f4f8}
.chat-mode.keyboard-open nav{display:none}.chat-mode.keyboard-open header{min-height:56px;padding-top:5px;padding-bottom:5px}.chat-mode.keyboard-open .chat-material{display:none}.chat-mode.keyboard-open #draftStatus{display:none}.chat-mode.keyboard-open .composer{padding-top:5px;padding-bottom:6px}
@media(max-width:359px){.chat-mode header{gap:6px;padding-left:10px;padding-right:10px}.chat-mode .date{width:110px}.chat-material button{padding:6px;min-width:44px}.chat-mode .brand span{font-size:11px}.chat-mode .brand{font-size:17px}.chat-mode .composer #body{height:50px;min-height:50px}}
.chat-mode .composer{display:grid;grid-template-columns:44px minmax(0,1fr) 72px;gap:5px 8px;align-items:end}
.chat-mode .composer>.check{grid-row:1;grid-column:1/4;margin:0;min-height:26px}.chat-mode #photoStrip{grid-row:2;grid-column:1/4}.chat-mode .compose-label{grid-row:3;grid-column:2}.chat-mode .compose-toolbar{display:contents}.chat-mode #chatPlus{grid-row:3;grid-column:1;height:48px}.chat-mode #send{grid-row:3;grid-column:3;height:48px;margin:0}.chat-mode #draftStatus{grid-row:4;grid-column:1/4;margin:0}.chat-mode #editStatus,.chat-mode #exportDraft{grid-column:1/4}.chat-mode .composer #body{height:48px;min-height:48px;border-radius:20px}
@supports not (backdrop-filter:blur(2px)){.chat-mode header,.chat-mode .composer,.chat-mode nav{background:#fdfefe}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto}}