/* Kampass web app styles. Design: "Landed C" (docs/DESIGN.md, decisions #68+). Fonts are self-hosted in
   fonts/fonts.css (Geist + Noto Sans SC): no Google Fonts or CDNs, for mainland China.
   Rules kept from CLAUDE.md: touch targets >= 44px, text contrast >= 4.5:1 in light and dark. */

/* ---------- tokens ---------- */
:root{
  --bg:#FFFFFF;--card:#FFFFFF;--sunk:#F6F6F8;--ink:#1C2024;--muted:#60646C;--line:#E8E8EC;
  --primary:#3E63DD;--primary-on:#FFFFFF;--primary-soft:#EEF2FE;--primary-text:#3E63DD;--glow:rgba(62,99,221,.3);
  --red:#E5484D;          /* dots and big day counts (large text, 3.9:1) */
  --red-text:#CE2C31;     /* red as small text or a fill under white text: 5.2:1 (the demo's #E5484D is 3.9:1) */
  --stroke-guide:#C9CBD3;  /* the faint grey a character is traced over in Study's "Write it" */
  --red-soft:#FEEFEF;--shadow:0 16px 40px -18px rgba(20,30,60,.22);--float:0 10px 30px -10px rgba(20,24,40,.25);
  --sans:"Geist",ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --zh-font:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  /* calendar item types (DECISIONS #108): --c-* text, bars and dots, --s-* soft fills. Light Personal and Task are
     darker than the prototype's (#2B9A66, #B25E09) so their text passes 4.5:1 on the soft fill. */
  --c-class:#3E63DD;--s-class:#EEF2FE;--c-deadline:#CE2C31;--s-deadline:#FEEFEF;--c-exam:#8E4EC6;--s-exam:#F5EEFC;
  --c-personal:#1E7A50;--s-personal:#E9F7EF;--c-task:#A15200;--s-task:#FFF4E5;--c-holiday:#60646C;--s-holiday:#F1F1F4;
  --scrim:rgba(16,19,26,.38);--hair:#F0F0F3;
  box-sizing:border-box;padding-top:env(safe-area-inset-top,0px);padding-bottom:env(safe-area-inset-bottom,0px);
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --bg:#16181D;--card:#16181D;--sunk:#1E2128;--ink:#E9ECF1;--muted:#9AA1AD;--line:#2B2F38;
    --primary:#86A6EC;--primary-on:#10131A;--primary-soft:#232A3A;--primary-text:#86A6EC;--glow:rgba(134,166,236,.25);
    --red:#EE8A83;--red-text:#EE8A83;--red-soft:#3A2224;--stroke-guide:#454B57;--shadow:0 16px 40px -18px rgba(0,0,0,.6);--float:0 10px 30px -10px rgba(0,0,0,.7);
    --c-class:#86A6EC;--s-class:#232A3A;--c-deadline:#EE8A83;--s-deadline:#3A2224;--c-exam:#C9A7F0;--s-exam:#2E2440;
    --c-personal:#6BCB9A;--s-personal:#1F3329;--c-task:#F0B566;--s-task:#3A2C1A;--c-holiday:#9AA1AD;--s-holiday:#23262D;--scrim:rgba(0,0,0,.55);--hair:#22252C;
  }
}
:root[data-theme="dark"]{
  --bg:#16181D;--card:#16181D;--sunk:#1E2128;--ink:#E9ECF1;--muted:#9AA1AD;--line:#2B2F38;
  --primary:#86A6EC;--primary-on:#10131A;--primary-soft:#232A3A;--primary-text:#86A6EC;--glow:rgba(134,166,236,.25);
  --red:#EE8A83;--red-text:#EE8A83;--red-soft:#3A2224;--stroke-guide:#454B57;--shadow:0 16px 40px -18px rgba(0,0,0,.6);--float:0 10px 30px -10px rgba(0,0,0,.7);
  --c-class:#86A6EC;--s-class:#232A3A;--c-deadline:#EE8A83;--s-deadline:#3A2224;--c-exam:#C9A7F0;--s-exam:#2E2440;
  --c-personal:#6BCB9A;--s-personal:#1F3329;--c-task:#F0B566;--s-task:#3A2C1A;--c-holiday:#9AA1AD;--s-holiday:#23262D;--scrim:rgba(0,0,0,.55);--hair:#22252C;
}
/* Form controls (checkboxes, date pickers, scrollbars) follow the theme too. */
:root{color-scheme:light dark}
:root[data-theme="light"]{color-scheme:light}
:root[data-theme="dark"]{color-scheme:dark}
/* Older token names, still used by inline styles and the owner pages. */
:root{--seg:var(--sunk);--line2:var(--line);--field:var(--line);--blue:var(--primary);--blue-soft:var(--primary-soft);--blue-ink:var(--primary-text);
  --red-ink:var(--red-text);--red-on:var(--primary-on);--dark:var(--ink);--dark-on:var(--bg)}

/* ---------- base ---------- */
html{scroll-padding-top:env(safe-area-inset-top,0px);background:var(--bg)}
*,*::before,*::after{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--sans);font-size:16px;line-height:1.5;-webkit-font-smoothing:antialiased}
.zh{font-family:var(--zh-font)}
.serif{font-family:var(--sans);letter-spacing:-.02em}          /* the old serif headings now use Geist */
button,input,textarea,select{font:inherit;color:inherit}
button{cursor:pointer}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:8px}
[tabindex="-1"]:focus{outline:none}          /* headings that only receive focus for screen readers */
.app{max-width:440px;margin:0 auto;min-height:100vh;padding:4px 22px 130px}
@media (min-width:600px){.app{border-left:1px solid var(--line);border-right:1px solid var(--line)}}
h1{margin:0;font-size:30px;font-weight:700;line-height:1.15;letter-spacing:-.025em}
h2{margin:0;font-size:22px;font-weight:700;line-height:1.3;letter-spacing:-.015em}
h3{margin:28px 0 4px;font-size:13px;font-weight:600;color:var(--muted);letter-spacing:0;display:flex;justify-content:space-between;align-items:center;gap:8px}   /* section labels */
p{margin:0}
.stack{display:flex;flex-direction:column;gap:16px}
.stack-s{display:flex;flex-direction:column;gap:8px}
.row{display:flex;gap:10px;align-items:center}
.grow{flex-grow:1;min-width:0}
.muted{color:var(--muted)}
.small{font-size:14px}
.tiny{font-size:13px}
.hidden{display:none !important}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.kicker{font-size:13px;font-weight:600;color:var(--muted)}
ul.clean{margin:0;padding-left:18px;display:flex;flex-direction:column;gap:4px}

/* ---------- top bar ---------- */
.top{display:flex;align-items:center;gap:8px;min-height:60px;padding:12px 0 4px}
.top .wordmark{font-weight:700;font-size:18px;letter-spacing:-.02em;margin:0;flex:1}
.top .title{font-size:15px;font-weight:600;color:var(--muted);margin:0;flex:1}
.iconbtn{width:44px;height:44px;border:none;background:none;color:var(--ink);display:grid;place-items:center;border-radius:12px;flex-shrink:0}
.iconbtn svg{width:22px;height:22px}
.back{border:0;background:none;display:inline-flex;align-items:center;gap:2px;font-weight:600;color:var(--primary-text);min-height:44px;padding:0 8px 0 0}
.date-line{color:var(--muted);font-size:14.5px;margin:10px 0 4px}
.hello{font-size:34px;line-height:1.1;font-weight:600;letter-spacing:-.035em;margin:0 0 6px}

/* ---------- buttons, links, pills ---------- */
.btn{min-height:48px;padding:0 18px;border-radius:14px;border:none;font-weight:600;font-size:15.5px;display:inline-flex;align-items:center;justify-content:center;gap:8px;text-decoration:none;background:var(--primary);color:var(--primary-on)}
.btn-primary,.btn-red,.btn-blue{background:var(--primary);color:var(--primary-on)}
.btn-line{background:var(--bg);color:var(--ink);border:1px solid var(--line)}
.btn-sm{min-height:44px;font-size:14px;padding:0 14px;border-radius:12px}
.btn-white{background:var(--bg);color:var(--ink);border:1px solid var(--line)}
.btn-ghost-white{background:var(--bg);color:var(--ink);border:1px solid var(--line)}
.btn-danger{background:var(--red-text);color:#FFFFFF}
.btn:disabled{opacity:.5;cursor:not-allowed}
.btn-line[aria-pressed="true"]{background:var(--ink);color:var(--bg);border-color:var(--ink)}
.link{min-width:44px;background:none;border:none;padding:0;color:var(--primary-text);font-weight:600;font-size:14px;min-height:44px;display:inline-flex;align-items:center;text-align:left}
.pill{min-height:44px;padding:0 16px;border-radius:999px;border:1px solid var(--line);background:var(--bg);color:var(--ink);font-weight:600;font-size:14px;display:inline-flex;align-items:center;gap:6px}
.pill[aria-pressed="true"]{background:var(--ink);color:var(--bg);border-color:var(--ink)}
.tries{display:flex;gap:8px;margin:14px 0 0;overflow-x:auto;scrollbar-width:none;padding-bottom:2px}
.tries::-webkit-scrollbar{display:none}
.seg{display:flex;gap:4px;background:var(--sunk);border-radius:12px;padding:4px}
.seg button{flex:1;min-height:44px;border:0;background:none;border-radius:9px;font-weight:600;font-size:14px;color:var(--muted)}
.seg button[aria-selected="true"],.seg button[aria-pressed="true"]{background:var(--bg);color:var(--ink);box-shadow:0 1px 3px rgba(0,0,0,.08)}
.cu-remove{width:44px;height:44px;flex-shrink:0;border:none;background:none;color:var(--muted);font-size:20px;border-radius:12px}

/* ---------- surfaces ---------- */
.card{background:var(--card);border:1px solid var(--line);border-radius:22px;padding:16px 18px}
a.back{text-decoration:none}
.legal h1{margin:8px 0 10px}
.legal h2{margin:28px 0 8px;font-size:19px}
.legal p,.legal ul{margin:0 0 12px}
.legal ul{padding-left:20px}
.legal li{margin:6px 0}
.legal a,.obfoot a,#v-welcome a,#v-signin a{color:var(--primary-text);font-weight:600}
.legal .warn{margin:4px 0 10px}
.note{background:var(--sunk);border-radius:16px;padding:12px 14px;font-size:14px;color:var(--ink)}
.warn{background:var(--red-soft);color:var(--ink);border-radius:16px;padding:12px 14px;font-size:14.5px}
.sample-note{background:var(--sunk);border-radius:16px;padding:12px 14px;font-size:14px;color:var(--ink)}
.offline{background:var(--sunk);color:var(--ink);border-radius:14px;padding:10px 14px;font-size:14px;margin:8px 0 4px}
.tag{display:inline-block;padding:3px 10px;border-radius:999px;font-size:12.5px;font-weight:600;background:var(--sunk);color:var(--muted)}
.tag.red,.tag.overdue{background:var(--red-soft);color:var(--red-text)}
.tag.blue{background:var(--primary-soft);color:var(--primary-text)}
.tag.grey{background:var(--sunk);color:var(--muted)}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{padding:8px 14px;border-radius:999px;background:var(--sunk);font-size:14px}
.mark{width:32px;height:32px;border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:600;flex-shrink:0}
.mark.r{background:var(--red-soft);color:var(--red-text)}
.mark.b{background:var(--primary-soft);color:var(--primary-text)}
.dotmark{display:block;width:8px;height:8px;border-radius:50%;background:var(--primary);flex:none}
.dotmark.red{background:var(--red)}
.chev{color:var(--muted);flex:none}

/* rows: flat lists with thin dividers (the design has few boxed cards) */
.list-row,.lrow{display:flex;align-items:center;gap:14px;padding:14px 0;min-height:56px;border:0;border-bottom:1px solid var(--line);background:none;width:100%;text-align:left;color:var(--ink)}
.list-row:last-child,.lrow:last-child{border-bottom:0}
.when{font-size:14px;color:var(--muted);white-space:nowrap}
.when.red{color:var(--red-text);font-weight:600}

/* ---------- forms ---------- */
textarea,input[type=text],input[type=email],input[type=search],input[type=date],input[type=time],select{width:100%;border:1px solid var(--line);border-radius:14px;background:var(--bg);padding:12px 14px;font-size:16px;min-height:48px}
textarea{min-height:140px;resize:vertical;line-height:1.6}
.code-input{font-size:28px!important;letter-spacing:.3em;text-align:center;font-variant-numeric:tabular-nums;min-height:60px!important}
.acct-email{font-weight:600;word-break:break-all}
textarea:focus,input:focus,select:focus{outline:2px solid var(--primary);outline-offset:-1px}
label{font-size:13px;font-weight:600;color:var(--muted)}
.form-row{display:flex;flex-direction:column;gap:6px}
.check{display:flex;gap:12px;align-items:flex-start;font-weight:400;font-size:15px;color:var(--ink);min-height:44px;padding:12px 0;border-bottom:1px solid var(--line);cursor:pointer}
.check:last-child{border-bottom:0}
.check input{width:22px;height:22px;flex-shrink:0;margin:1px 0 0;accent-color:var(--primary)}
.check input:checked + span{text-decoration:line-through;color:var(--muted)}
.drop{border:1.5px dashed var(--line);border-radius:22px;padding:22px;text-align:center;background:var(--bg);display:flex;flex-direction:column;gap:8px;align-items:center}
.drop.over{border-color:var(--primary);background:var(--primary-soft)}
.drop img{max-width:100%;max-height:260px;border-radius:14px}
details>summary{min-height:44px;display:flex;align-items:center;cursor:pointer;color:var(--primary-text);font-weight:600;font-size:14px;list-style:none}
details>summary::-webkit-details-marker{display:none}

/* ---------- home: the one box ---------- */
.omni{border:1px solid var(--line);border-radius:26px;background:var(--bg);padding:4px;box-shadow:0 1px 2px rgba(0,0,0,.03),var(--shadow);transition:border-color .15s,box-shadow .15s}
.omni:focus-within{border-color:var(--primary);box-shadow:0 0 0 4px var(--primary-soft),var(--shadow)}
.omni textarea{border:0;min-height:118px;padding:16px 16px 6px;resize:none;background:transparent;font-size:17px;outline:none}
.omni textarea:focus{outline:none}
.omni-bar{display:flex;align-items:center;gap:8px;padding:6px 6px 6px 8px}
.round{width:44px;height:44px;border-radius:50%;border:1px solid var(--line);background:var(--bg);display:grid;place-items:center;color:var(--ink);position:relative;overflow:hidden;cursor:pointer;flex:none}
.round svg{width:20px;height:20px}
.round input{position:absolute;inset:-1px;opacity:0;cursor:pointer}
.kind{flex:1;min-width:0;font-size:13.5px;color:var(--muted);display:flex;align-items:center;gap:7px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.kind i{width:7px;height:7px;border-radius:50%;background:var(--line);flex:none}
.kind.notice i{background:var(--red)}
.kind.text i,.kind.zh i{background:var(--primary)}
.go{width:46px;height:46px;border-radius:50%;border:0;background:var(--ink);color:var(--bg);display:grid;place-items:center;flex:none}
.go svg{width:20px;height:20px}
.go:disabled{background:var(--sunk);color:var(--muted);cursor:not-allowed}
.thumb{display:flex;align-items:center;gap:10px;margin:4px 12px;font-size:14px;color:var(--muted)}
.thumb img{width:44px;height:44px;object-fit:cover;border-radius:10px}
.week{display:grid;grid-template-columns:repeat(7,1fr);gap:6px}
.wd{border:0;background:var(--sunk);border-radius:16px;padding:10px 0 9px;min-height:66px;display:flex;flex-direction:column;align-items:center;gap:2px;color:var(--ink)}
.wd small{font-size:11.5px;color:var(--muted);font-weight:500}
.wd b{font-size:17px;font-weight:600}
.wd i{display:flex;gap:3px;height:5px}
.wd i s{width:5px;height:5px;border-radius:50%;background:var(--red)}
.wd.today{background:var(--ink);color:var(--bg)}
.wd.today small{color:var(--bg);opacity:.75}
/* Narrow phones (360px): a little less side padding so each day in the strip stays at least 44px wide. */
@media (max-width:380px){.app{padding-left:16px;padding-right:16px}.week{gap:2px}}
.dcard{display:flex;align-items:center;gap:16px;width:100%;text-align:left;border:1px solid var(--line);background:var(--bg);border-radius:22px;padding:16px 18px;color:var(--ink)}
.dcard b.n{font-size:44px;line-height:1;font-weight:600;letter-spacing:-.05em;color:var(--red);min-width:1.15em}
.dcard b.n.calm{color:var(--ink)}
.srcprev{background:var(--sunk);border-radius:16px;padding:12px 14px;font-size:14.5px;color:var(--muted);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}

/* ---------- welcome (onboarding style) ---------- */
#v-welcome{padding-top:36px}
.obhero{text-align:center}
.obmark{width:72px;height:72px;border-radius:22px;background:var(--primary);color:var(--primary-on);font-size:34px;font-weight:700;display:grid;place-items:center;margin:0 auto 26px;box-shadow:0 12px 30px var(--glow)}
.obh{font-size:30px;line-height:1.15;font-weight:600;letter-spacing:-.03em;margin:8px 0 10px}
ol.steps{list-style:none;counter-reset:s;padding:0;margin:28px 0 18px}
ol.steps li{counter-increment:s;position:relative;padding:0 0 16px 40px;line-height:1.5}
ol.steps li::before{content:counter(s);position:absolute;left:0;top:0;width:26px;height:26px;border-radius:50%;background:var(--sunk);font-weight:700;font-size:13px;display:grid;place-items:center}
.obfoot{padding-top:24px}

/* ---------- bottom navigation: a floating pill ---------- */
.nav{position:fixed;z-index:12;left:50%;transform:translateX(-50%);bottom:calc(14px + env(safe-area-inset-bottom,0px));background:var(--bg);border:1px solid var(--line);border-radius:999px;box-shadow:var(--float);padding:6px}
.nav-in{display:flex;gap:2px}
.nav button{height:44px;min-width:44px;padding:0 12px;border:0;background:none;border-radius:999px;display:flex;align-items:center;justify-content:center;gap:7px;color:var(--muted);font-weight:600;font-size:14px}
.nav button svg{width:21px;height:21px;flex-shrink:0}
.nav button span{display:none}
.nav button[aria-current="page"]{background:var(--ink);color:var(--bg);padding:0 16px 0 14px}
.nav button[aria-current="page"] span{display:inline}

/* ---------- results ---------- */
.gist{font-size:22px;font-weight:700;letter-spacing:-.015em;line-height:1.3}
.deadline{display:flex;align-items:center;gap:16px;padding:6px 0 14px;border-bottom:1px solid var(--line)}
.deadline .n{font-size:56px;line-height:.9;font-weight:700;letter-spacing:-.05em;color:var(--red);min-width:1.2em}
.deadline .n.calm{color:var(--ink)}
.deadline .big-date{font-size:17px;font-weight:600;line-height:1.3}
.deadline .dl-label{font-size:15px;color:var(--muted)}
.deadline .dl-left{font-size:14px;color:var(--muted)}
.deadline .kicker{color:var(--muted)}
.step{display:flex;gap:12px;padding:12px 0;border-bottom:1px solid var(--line)}
.step:last-child{border-bottom:none}
.num{width:26px;height:26px;border-radius:50%;background:var(--sunk);color:var(--ink);font-size:13px;font-weight:700;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.result-big .step{gap:14px;padding:14px 0}
.result-big .num{width:28px;height:28px;font-size:14px}
.result-big .step-t{font-size:17px;font-weight:600;line-height:1.35}
.result-big .step-d{font-size:15px;color:var(--muted)}
.kv{display:grid;grid-template-columns:76px 1fr;gap:8px 12px;font-size:15px;margin:0}
.kv dt{color:var(--muted)}
.kv dd{margin:0}
.chat{display:flex;flex-direction:column;gap:10px}
.msg{padding:10px 14px;border-radius:18px;font-size:15px;white-space:pre-wrap;max-width:88%}
.msg.me{align-self:flex-end;background:var(--primary);color:var(--primary-on)}
.msg.ai{align-self:flex-start;background:var(--sunk)}
.thinking{display:flex;align-items:center;gap:12px;color:var(--muted);font-weight:500}
.dots{display:inline-flex;gap:4px}
.dots span{width:7px;height:7px;border-radius:4px;background:var(--primary);animation:b 1.2s infinite ease-in-out}
.dots span:nth-child(2){animation-delay:.15s}.dots span:nth-child(3){animation-delay:.3s}
@keyframes b{0%,80%,100%{opacity:.25}40%{opacity:1}}
@media (prefers-reduced-motion: reduce){.dots span{animation:none;opacity:.7}}
.progress{height:6px;border-radius:3px;background:var(--sunk);overflow:hidden}
.progress span{display:block;height:100%;width:0;background:var(--primary);border-radius:3px;transition:width .2s}
.item-actions{display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.sv-actions{display:flex;flex-wrap:wrap;gap:8px}
.date-box{width:48px;height:48px;border-radius:14px;background:var(--sunk);color:var(--ink);display:flex;flex-direction:column;align-items:center;justify-content:center;flex-shrink:0;font-weight:600;line-height:1}
.date-box .m{font-size:10px;letter-spacing:.06em;margin-bottom:3px;color:var(--muted)}
.date-box .d{font-size:18px}

/* ---------- toast ---------- */
.toast{position:fixed;left:16px;right:16px;bottom:calc(90px + env(safe-area-inset-bottom,0px));max-width:408px;margin:0 auto;background:var(--ink);color:var(--bg);border-radius:14px;padding:10px 14px;display:flex;align-items:center;justify-content:space-between;gap:12px;z-index:45;font-size:14px;font-weight:500}
.toast button{min-height:44px;padding:0 12px;border:none;border-radius:10px;background:transparent;color:var(--bg);font-weight:600;text-decoration:underline}

/* ---------- message sheet (above the nav, like the toast) ---------- */
.sheet{position:fixed;left:16px;right:16px;bottom:calc(84px + env(safe-area-inset-bottom,0px));max-width:408px;margin:0 auto;background:var(--bg);color:var(--ink);border:1px solid var(--line);border-radius:22px;padding:16px 18px;box-shadow:var(--float);z-index:31;max-height:70vh;overflow:auto}
.sheet-h{font-size:17px;font-weight:700;margin:0 0 6px}

/* ---------- calendar (DECISIONS #108, docs/design-v2/calendar-prototype.html) ---------- */
.iconbtn.ring{border:1px solid var(--line)}
.sync{display:flex;align-items:flex-start;gap:8px;font-size:13.5px;color:var(--muted);margin-top:18px}
.sync .dotmark{margin-top:6px}
/* each item type sets --c (text, bar, dot) and --s (soft fill) */
.t-class{--c:var(--c-class);--s:var(--s-class)}.t-deadline{--c:var(--c-deadline);--s:var(--s-deadline)}
.t-exam{--c:var(--c-exam);--s:var(--s-exam)}.t-personal{--c:var(--c-personal);--s:var(--s-personal)}
.t-task{--c:var(--c-task);--s:var(--s-task)}.t-holiday{--c:var(--c-holiday);--s:var(--s-holiday)}
.cal-top{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:14px 0 6px}
.cal-top h1{margin:0;font-size:30px;font-weight:700;letter-spacing:-.025em}
.pill.soft{border:none;background:var(--primary-soft);color:var(--primary-text)}
.cal-sub{display:flex;align-items:center;justify-content:space-between;gap:6px;flex-wrap:wrap;margin-bottom:10px}
.cal-month{font-size:16px;font-weight:600}
.cal-views{margin-bottom:12px}
.cal-body{display:flex;flex-direction:column;gap:10px}
.cal-dayh{font-size:15px;font-weight:600;margin:6px 0 0}
/* week strip */
.strip{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));gap:2px}
.strip button{min-height:64px;border:none;border-radius:16px;background:none;color:var(--ink);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;padding:0}
.strip .dow{font-size:12px;color:var(--muted);font-weight:500}
.strip .num{font-size:17px;font-weight:600;width:34px;height:34px;border-radius:17px;display:flex;align-items:center;justify-content:center;background:none;color:var(--ink)}
.strip button[aria-pressed="true"] .num{background:var(--ink);color:var(--bg)}
.strip .today .num{color:var(--primary-text)}
.strip button[aria-pressed="true"].today .num{color:var(--bg)}
.cdots{display:flex;gap:3px;height:6px;justify-content:center}
.cdots i{width:5px;height:5px;border-radius:3px;display:block;background:var(--c)}
/* the week's all-day lane: display only (the day's list below has the full-size buttons) */
.lane{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));gap:2px}
.lane > div{display:flex;flex-direction:column;gap:2px;min-height:4px}
.lane span{display:block;border-radius:6px;background:var(--s);color:var(--ink);font-size:10.5px;font-weight:600;padding:2px 3px;overflow:hidden;white-space:nowrap;text-overflow:ellipsis}
.lane span.done{text-decoration:line-through;opacity:.6}
/* the lane's Holiday / 调休 tag */
.lane span.ltag{color:var(--c);font-size:10px;padding:2px 4px;border-radius:10px;text-align:center}
/* timed grids: the week's columns are buttons that pick the day; the day view's blocks open the item */
.tscroll{max-height:440px;overflow:auto;border-radius:12px;border-top:1px solid var(--line)}
.wgrid{position:relative;display:grid;grid-template-columns:34px repeat(7,minmax(0,1fr))}
.wgrid .hours span{display:block;font-size:11px;color:var(--muted);text-align:right;padding-right:6px;transform:translateY(-7px)}
.wgrid .wcol{position:relative;border:none;border-left:1px solid var(--line);background:none;padding:0;display:block;width:100%;color:inherit}
.wgrid .wcol[aria-pressed="true"]{background-color:var(--sunk)}
/* a public holiday's column is hatched (prototype .col.hol) */
.wgrid .wcol.hol{background-image:repeating-linear-gradient(135deg,transparent 0 6px,var(--hair) 6px 7px)}
.hline{position:absolute;left:34px;right:0;border-top:1px solid var(--line);opacity:.6;pointer-events:none}
.blk{position:absolute;border-radius:8px;border-left:3px solid var(--c);background:var(--s);padding:3px 4px;text-align:left;overflow:hidden;font-size:11px;line-height:1.2;font-weight:600;color:var(--ink)}
.blk small{display:block;font-weight:500;color:var(--muted);font-size:10px}
.nowline{position:absolute;left:0;right:0;border-top:2px solid var(--red-text);z-index:2;pointer-events:none}
.nowline::before{content:"";position:absolute;left:-4px;top:-5px;width:8px;height:8px;border-radius:4px;background:var(--red-text)}
.dgrid{position:relative}
.dgrid .hrow{border-bottom:1px solid var(--line);display:flex}
.dgrid .hrow span{width:48px;font-size:12px;color:var(--muted);padding-top:2px}
.dblk{position:absolute;border-radius:12px;border:none;border-left:4px solid var(--c);background:var(--s);padding:6px 10px;text-align:left;color:var(--ink);overflow:hidden;min-height:44px}
.dblk b{display:block;font-size:14px}
.dblk span{font-size:12px;color:var(--muted)}
/* a day's items */
.citems{display:flex;flex-direction:column;gap:6px}
.citem{display:flex;align-items:center;gap:8px;min-height:56px;padding:4px 12px 4px 4px;border-radius:14px;background:var(--s);color:var(--ink)}
.citem.cancel{background:var(--sunk)}
.citem .open{flex:1;min-width:0;min-height:48px;border:none;background:none;text-align:left;padding:4px 0 4px 8px;color:inherit;display:flex;align-items:center;gap:12px}
.citem .bar{width:4px;align-self:stretch;border-radius:2px;background:var(--c);flex-shrink:0}
.citem .t{flex:1;min-width:0;display:flex;flex-direction:column;gap:2px}
.citem .t b{font-size:15px;font-weight:600;overflow-wrap:anywhere}
.citem .t span{font-size:13px;color:var(--muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.citem.done .t b{text-decoration:line-through;color:var(--muted)}
.citem .tag{background:var(--bg);color:var(--c);flex-shrink:0}
/* the tick: a 26px circle inside a 44px button */
.chk{width:44px;height:44px;border:none;background:none;padding:0;display:flex;align-items:center;justify-content:center;flex-shrink:0;color:var(--bg)}
.chk i{width:26px;height:26px;border-radius:13px;border:2px solid var(--c);display:flex;align-items:center;justify-content:center}
.chk[aria-checked="true"] i{background:var(--c)}
.chk svg{width:14px;height:14px}
.cempty{padding:10px 4px;font-size:14px}
/* month */
.mgrid{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));gap:2px}
.mgrid .h{font-size:12px;color:var(--muted);text-align:center;padding:4px 0;font-weight:600}
.mgrid button{min-height:48px;border:none;background:none;border-radius:12px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;font-size:15px;font-weight:500;color:var(--ink);padding:0}
.mgrid button.out{color:var(--muted)}
.mgrid button[aria-pressed="true"]{background:var(--ink);color:var(--bg)}
.mgrid button.today{color:var(--primary-text);font-weight:700}
.mgrid button[aria-pressed="true"].today{color:var(--bg)}
.mgrid button.holc{background:var(--s-holiday)}
.mgrid button[aria-pressed="true"].holc{background:var(--ink)}
/* the selected day is inverted (ink), so its dots take the other theme's colours to stay visible */
.mgrid button[aria-pressed="true"]{--c-class:#86A6EC;--c-deadline:#EE8A83;--c-exam:#C9A7F0;--c-personal:#6BCB9A;--c-task:#F0B566;--c-holiday:#9AA1AD}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]) .mgrid button[aria-pressed="true"]{--c-class:#3E63DD;--c-deadline:#CE2C31;--c-exam:#8E4EC6;--c-personal:#1E7A50;--c-task:#A15200;--c-holiday:#60646C}}
:root[data-theme="dark"] .mgrid button[aria-pressed="true"]{--c-class:#3E63DD;--c-deadline:#CE2C31;--c-exam:#8E4EC6;--c-personal:#1E7A50;--c-task:#A15200;--c-holiday:#60646C}
.cdots i.sq{border-radius:1px}
/* a day's banner: public holiday (grey) or 调休 make-up workday (task colours) */
.cbanner{border-radius:14px;padding:10px 12px;font-size:13px;line-height:1.4;display:flex;gap:10px;align-items:flex-start;background:var(--s);color:var(--ink)}
.cbanner svg{width:18px;height:18px;flex-shrink:0;color:var(--muted)}
.legend{display:flex;flex-wrap:wrap;gap:10px;font-size:12px;color:var(--muted)}
.legend span{display:inline-flex;align-items:center;gap:4px}
.legend i{width:8px;height:8px;border-radius:4px;background:var(--c);display:inline-block}
/* the add button, and the calendar's bottom sheet */
.fab{position:fixed;right:max(18px,calc(50% - 202px));bottom:calc(96px + env(safe-area-inset-bottom,0px));width:56px;height:56px;border-radius:28px;border:none;background:var(--primary);color:var(--primary-on);box-shadow:var(--float);display:flex;align-items:center;justify-content:center;z-index:9}
.scrim{position:fixed;inset:0;background:var(--scrim);z-index:40}
.csheet{position:fixed;left:50%;transform:translateX(-50%);bottom:0;width:min(440px,100%);max-height:88vh;overflow:auto;background:var(--bg);color:var(--ink);border-radius:26px 26px 0 0;padding:10px 20px calc(24px + env(safe-area-inset-bottom,0px));z-index:41;display:flex;flex-direction:column;gap:14px}
.csheet .grab{width:40px;height:5px;border-radius:3px;background:var(--line);align-self:center}
.csheet h2{margin:0;font-size:22px;font-weight:700;letter-spacing:-.02em}
.csheet .btn{width:100%}
.csheet .two{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:10px}
.csheet .two input,.csheet .two select{min-width:0;width:100%}
.cnote{font-size:13.5px;color:var(--muted);background:var(--sunk);border-radius:14px;padding:10px 12px;line-height:1.45}
.cline{display:flex;gap:10px;align-items:flex-start;font-size:15px}
.cline svg{width:18px;height:18px;flex-shrink:0;color:var(--muted);margin-top:2px}
.cdetail{display:flex;flex-direction:column;gap:10px;line-height:1.3}
.cdetail .cline svg{margin-top:0}
/* the sheet's buttons and fields, as in the prototype (.primary 54px, .secondary / .danger 50px, sunk 48px fields) */
.cbtn{min-height:50px;border-radius:25px;font-size:16px;font-weight:600;width:100%;padding:0 16px;color:var(--ink)}
.cbtn.primary{min-height:54px;border-radius:27px;border:none;background:var(--primary);color:var(--primary-on);font-size:17px}
.cbtn.secondary{border:1.5px solid var(--line);background:var(--bg)}
.cbtn.danger{border:none;background:var(--s-deadline);color:var(--c-deadline)}
.csheet label,.csheet .flabel{font-size:13px;color:var(--muted);font-weight:500}
.csheet input[type=text],.csheet input[type=date],.csheet input[type=time],.csheet input[type=number],.csheet input[type=search],.csheet select,.csheet textarea{background:var(--sunk);padding:0 14px}
.csheet textarea{min-height:80px;padding:12px 14px;line-height:1.45}
.csheet input[type=number]{width:100%;border:1px solid var(--line);border-radius:14px;min-height:48px;font-size:16px}
/* type choice: a coloured dot and the name; the chosen one has an ink border */
.ctypes{display:flex;flex-wrap:wrap;gap:6px}
.ctypes button{min-height:44px;padding:0 12px;border-radius:22px;border:1.5px solid var(--line);background:var(--bg);color:var(--ink);font-size:14px;font-weight:600;display:inline-flex;align-items:center;gap:6px}
.ctypes button i{width:10px;height:10px;border-radius:5px;display:block;background:var(--c)}
.ctypes button[aria-checked="true"]{border-color:var(--ink)}
/* on/off switch: a 52×32 track inside a 44px-tall button */
.cswitch-row{display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:15px;font-weight:500}
.switch{width:56px;height:44px;border:none;background:none;padding:0;position:relative;flex-shrink:0}
.switch::before{content:"";position:absolute;left:2px;top:6px;width:52px;height:32px;border-radius:16px;background:var(--line)}
.switch[aria-checked="true"]::before{background:var(--primary)}
.switch span{position:absolute;top:9px;left:5px;width:26px;height:26px;border-radius:13px;background:#fff;transition:left .15s;box-shadow:0 1px 2px rgba(0,0,0,.2)}
.switch[aria-checked="true"] span{left:25px}
@media (prefers-reduced-motion: reduce){.switch span{transition:none}}
/* repeats (part 4): ↻ in the type's colour, the "↻ Repeats" tag, the weekday chips of "Every week" */
svg.rep{color:var(--c);vertical-align:-1px;flex-shrink:0}
.tag.rtag{display:inline-flex;align-items:center;gap:2px}
.legend svg{vertical-align:-1px}
.ctypes.cdays button{min-width:44px;justify-content:center}
.ctypes.cdays button[aria-pressed="true"]{background:var(--ink);color:var(--bg);border-color:var(--ink)}
/* part 5: the Tasks pill row, quick add, the Overdue box (prototype .qa, .go, .ovd, .mini; .mini is 44px here) */
.cal-tools{gap:8px;flex-wrap:wrap;margin:-2px 0 12px}
.qa{display:flex;gap:8px}
.qa input.qa-in{flex:1;min-width:0;border-radius:24px;background:var(--sunk);padding:0 16px}
.go{width:48px;height:48px;border-radius:24px;border:none;background:var(--primary);color:var(--primary-on);display:flex;align-items:center;justify-content:center;flex-shrink:0}
.ovd{display:flex;flex-direction:column;gap:6px;border:1.5px solid var(--s-deadline);border-radius:18px;padding:10px}
.ovd-h{font-size:13px;font-weight:600;color:var(--c-deadline)}
.citem .t span.late{color:var(--c-deadline)}
.citem .t span.late.strong{font-weight:600}
.citem .t span svg{vertical-align:-1px}
.mini{min-height:44px;padding:0 12px;border-radius:22px;border:1px solid var(--line);background:var(--bg);color:var(--ink);font-size:13px;font-weight:600;flex-shrink:0}
.csub{font-size:13px;font-weight:600;color:var(--muted)}
.citem .t.tline{padding:4px 0 4px 8px}
.citem.notoday{background:var(--sunk)}
.citem.notoday .chk{color:var(--muted)}
/* part 6: classes cancelled on a holiday, the import's review rows and its progress bar */
.citem.cancel .t b{text-decoration:line-through}
/* not faded (the prototype's opacity drops text below 4.5:1): grey fill, dashed edge, struck-through title */
.dblk.cancel{background:var(--sunk);border-left-style:dashed}
.dblk.cancel b{text-decoration:line-through}
.cline.late{color:var(--c-deadline)}
.cline.late svg{color:var(--c-deadline)}
.csheet .ttrow,.ttrow{cursor:pointer;padding:8px 12px;gap:12px;align-items:flex-start;color:var(--ink);font-size:inherit;font-weight:inherit}
.ttrow input{width:22px;height:22px;margin:10px 0 0;flex-shrink:0;accent-color:var(--primary)}
.ttrow .t{padding:4px 0}
.ttrow .t span{white-space:normal}
.ttbar{height:6px;border-radius:3px;background:var(--sunk);overflow:hidden;position:relative}
.ttbar i{position:absolute;top:0;bottom:0;width:35%;border-radius:3px;background:var(--primary);animation:ttslide 1.4s ease-in-out infinite}
@keyframes ttslide{0%{left:-35%}100%{left:100%}}
@media (prefers-reduced-motion: reduce){.ttbar i{animation:none;left:0;width:100%;opacity:.5}}
/* My class times: one row per period (label, start, end); the import's offer of printed period times */
.ptimes{display:flex;flex-direction:column;gap:8px}
.ptrow{display:grid;grid-template-columns:64px minmax(0,1fr) minmax(0,1fr);gap:8px;align-items:center}
.ptrow input{min-width:0;width:100%;padding:0 10px}
.pthead span{font-size:12px;color:var(--muted);font-weight:500}
.ttoffer{display:flex;flex-direction:column;gap:6px;color:var(--ink)}
.ttperiods{font-variant-numeric:tabular-nums;color:var(--muted)}
.csheet label.ttuse{display:flex;gap:10px;align-items:center;min-height:44px;color:var(--ink);font-size:14px;font-weight:600;cursor:pointer}
.ttuse input{width:22px;height:22px;accent-color:var(--primary);flex-shrink:0}
/* Delete, confirmed in place */
.cdel-ask{display:flex;flex-direction:column;gap:10px}
.cdel-ask p{margin:0;font-size:15px;font-weight:600;text-align:center}

/* ---------- guides ---------- */
.grid2{display:flex;flex-direction:column}
.tile{display:flex;align-items:center;gap:14px;padding:14px 0;min-height:60px;border:0;border-bottom:1px solid var(--line);background:none;width:100%;text-align:left;color:var(--ink)}
.featured{display:flex;flex-direction:column;gap:4px;width:100%;text-align:left;border:0;background:var(--primary);color:var(--primary-on);border-radius:20px;padding:22px}
.featured .kicker{color:var(--primary-on);opacity:.85}
.md{display:flex;flex-direction:column;gap:12px;font-size:16px;line-height:1.6}
.md h2{font-size:20px;margin-top:8px}
.md h3{font-size:17px;margin-top:4px;color:var(--ink)}
.md h4{margin:0;font-size:16px;font-weight:600}
.md p{margin:0}
.md .md-list{margin:0;padding-left:22px;display:flex;flex-direction:column;gap:6px}
.md blockquote{margin:0}
.md code{background:var(--sunk);border-radius:6px;padding:1px 6px;font-size:.92em}
.md hr{border:none;border-top:1px solid var(--line);margin:4px 0;width:100%}
.md a{color:var(--primary-text);font-weight:600}

/* ---------- scholarships ---------- */
.sch-body{display:flex;flex-direction:column;gap:8px;padding-top:10px;border-top:1px solid var(--line);margin-top:4px}
.sch-cover{display:block;width:100%;height:auto;aspect-ratio:16/9;object-fit:cover;border-radius:16px;background:var(--sunk)}
/* Banner when there's no cover: tokens of the design, a short mark and a faint 奖 ("award"). */
.sch-banner{position:relative;overflow:hidden;display:flex;align-items:center;gap:12px;min-height:84px;padding:14px 84px 14px 16px;border-radius:16px}
.sch-banner.gov{background:var(--red-soft);color:var(--red-text)}
.sch-banner.prv{background:var(--primary-soft);color:var(--primary-text)}
.sch-banner.uni{background:var(--ink);color:var(--bg)}
.sch-banner.oth{background:var(--sunk);color:var(--ink)}
.sch-banner-mark{flex-shrink:0;width:44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:600;letter-spacing:.04em;border:1.5px solid currentColor}
.sch-banner-name{font-size:18px;font-weight:600;line-height:1.2;position:relative;z-index:1}
.sch-banner-zh{position:absolute;right:10px;bottom:-22px;font-size:96px;line-height:1;font-weight:500;opacity:.13;pointer-events:none}
.sch-thumb{display:flex;flex-direction:column;gap:6px;width:100%;min-height:44px;padding:0;border:1px solid var(--line);border-radius:16px;background:var(--bg);color:var(--ink);text-align:left;overflow:hidden;cursor:zoom-in}
.sch-thumb img{display:block;width:100%;height:160px;object-fit:cover;object-position:top;background:#fff}
.sch-thumb-cap{padding:4px 12px 10px;font-weight:600;color:var(--primary-text)}

/* ---------- full-screen layers (always high contrast) ---------- */
/* Show to staff: the Chinese, full screen, large. Always black on white so it reads outdoors. */
.staff{position:fixed;inset:0;z-index:50;background:#fff;color:#000;overflow:auto;padding:env(safe-area-inset-top) 0 env(safe-area-inset-bottom)}
.staff-bar{position:sticky;top:0;display:flex;justify-content:space-between;align-items:center;gap:8px;padding:8px 12px;background:#fff;border-bottom:2px solid #000}
.staff-btn{min-width:56px;min-height:52px;padding:0 16px;border:2px solid #000;border-radius:14px;background:#fff;color:#000;font-size:18px;font-weight:600}
.staff-size{display:flex;gap:8px}
.staff-body{padding:20px 20px 48px;font-size:var(--staff-size,34px);line-height:1.6}
.staff-ask{margin-bottom:.8em;padding-bottom:.6em;border-bottom:2px solid #000;font-weight:500}
.staff-text{white-space:pre-wrap;word-break:break-word}
.staff-img{display:block;max-width:none;height:auto;margin:0 0 .6em;border:2px solid #000}
body.no-scroll{overflow:hidden}
.viewer{position:fixed;inset:0;z-index:45;background:#000;color:#fff;display:flex;flex-direction:column;padding:env(safe-area-inset-top) 0 env(safe-area-inset-bottom)}
.viewer-bar,.viewer-foot{display:flex;justify-content:space-between;align-items:center;gap:8px;padding:8px 12px;flex-shrink:0}
.viewer-foot{justify-content:center;padding-bottom:12px}
.viewer-tools{display:flex;gap:8px}
.viewer-btn{min-width:52px;min-height:48px;padding:0 14px;border:1.5px solid #fff;border-radius:14px;background:#000;color:#fff;font-size:18px;font-weight:600}
.viewer-btn:disabled{opacity:.4}
.viewer-stage{flex:1;overflow:auto;touch-action:pan-x pan-y;-webkit-overflow-scrolling:touch}
.viewer-stage img{display:block;width:100%;height:auto;background:#fff}
.viewer .btn-white{background:#fff;color:#000;border:0}

/* ---------- explanation language ---------- */
/* Arabic and Urdu answers: each AI paragraph takes its direction from its own text. */
.ai-rtl p,.ai-rtl li,.ai-rtl dd,.ai-rtl .gist,.ai-rtl .step-t,.ai-rtl .step-d,.ai-rtl .msg,.ai-rtl .big-date{unicode-bidi:plaintext;text-align:start}

/* ---------- phrasebook ---------- */
.phrase{flex:1;min-width:0;min-height:56px;border:0;background:none;padding:6px 0;text-align:left;color:var(--ink)}
.star{color:var(--muted)}
.star[aria-pressed="true"]{color:var(--primary-text)}
.staff-sub{font-family:var(--sans);margin-top:1em;padding-top:.6em;border-top:2px solid #000;font-size:max(16px,.5em);line-height:1.5}

/* ---------- urgency tag (from the deadline date) ---------- */
.urgency{align-self:flex-start;margin-bottom:4px;white-space:nowrap}

/* ---------- study (v2: docs/design-v2/study-prototype.html, on the Landed C tokens) ---------- */
/* The prototype's own colours map to ours: blue -> --primary, blue-text -> --primary-text, blue-soft ->
   --primary-soft, grid -> --line, track -> --sunk, ghost -> --stroke-guide. Chinese uses Noto Sans SC (self-hosted). */
.sv h1{font-size:32px;letter-spacing:-.03em}
.sv h2{font-size:28px;letter-spacing:-.03em}
.sv-level{min-height:44px;padding:0 16px;border-radius:22px;border:0;background:var(--primary-soft);color:var(--primary-text);font-size:15px;font-weight:600;display:inline-flex;align-items:center;gap:6px}
.sv-primary{min-height:54px;border:0;border-radius:27px;background:var(--primary);color:var(--primary-on);font-size:17px;font-weight:600;width:100%}
.sv-secondary{min-height:54px;border-radius:27px;border:1.5px solid var(--line);background:var(--bg);color:var(--ink);font-size:16px;font-weight:600;width:100%}
.sv-primary:disabled,.sv-secondary:disabled{opacity:.5;cursor:not-allowed}
.sv-track{height:6px;border-radius:3px;background:var(--sunk);overflow:hidden}
.sv-track > div{height:100%;background:var(--primary);border-radius:3px;transition:width .3s}
@media (prefers-reduced-motion: reduce){.sv-track > div{transition:none}}
.sv-card{border:1px solid var(--line);border-radius:26px;padding:18px 18px 20px;display:flex;flex-direction:column;align-items:center;gap:12px;box-shadow:0 6px 24px rgba(28,32,36,.06)}
.sv-tag{align-self:flex-start;padding:5px 11px;border-radius:12px;font-size:13px;font-weight:600}
.sv-tag.new{background:var(--primary-soft);color:var(--primary-text)}
.sv-tag.rev{background:var(--sunk);color:var(--muted)}
.sv-cells{display:flex;gap:12px;flex-wrap:wrap;justify-content:center}
.sv-cell{width:112px;height:112px;position:relative;border:1px solid var(--line);border-radius:18px;display:flex;align-items:center;justify-content:center}
.sv-cells.many .sv-cell{width:84px;height:84px}
.sv-cells.many .sv-cell span{font-size:60px}
.sv-cells.four{gap:8px;flex-wrap:nowrap}                        /* 4 characters fit in one row at 360px */
.sv-cells.four .sv-cell{width:64px;height:64px;border-radius:14px}
.sv-cells.four .sv-cell span{font-size:44px}
.sv-cell::before{content:"";position:absolute;left:50%;top:10px;bottom:10px;border-left:1px dashed var(--line)}
.sv-cell::after{content:"";position:absolute;top:50%;left:10px;right:10px;border-top:1px dashed var(--line)}
.sv-cell span{position:relative;font-size:80px;font-weight:500;line-height:1}
.sv-phrase{font-size:34px;font-weight:500;line-height:1.35;text-align:center;word-break:break-word}
.sv-py{font-size:26px;font-weight:600;text-align:center}
.sv-meaning{font-size:18px;color:var(--muted);text-align:center}
.sv-pos{padding:4px 10px;border-radius:12px;background:var(--sunk);font-size:13px;font-weight:600;color:var(--muted)}
.sv-example{align-self:stretch;background:var(--sunk);border-radius:16px;padding:12px 14px;display:flex;flex-direction:column;gap:2px}
.sv-reveal{align-self:stretch;min-height:140px;border:1.5px dashed var(--line);border-radius:16px;background:var(--bg);font-size:16px;font-weight:500;color:var(--muted)}
.sv-reveal strong{color:var(--primary-text)}
.sv-tools{display:flex;flex-wrap:wrap;justify-content:center;gap:8px}
.sv-choice{min-height:56px;padding:8px 16px;border-radius:18px;border:1.5px solid var(--line);background:var(--bg);color:var(--ink);display:flex;align-items:center;gap:12px;text-align:left;width:100%}
.sv-choice[aria-checked="true"]{border-color:var(--primary);background:var(--primary-soft)}
.sv-seg{border-radius:24px}
.sv-seg button{border-radius:20px;min-width:56px}
.sv-seg button[aria-checked="true"]{background:var(--bg);color:var(--ink);box-shadow:0 1px 3px rgba(0,0,0,.08)}
.sv-chip{min-height:44px;padding:0 14px;border-radius:22px;background:var(--sunk);border:0;color:var(--ink);display:inline-flex;align-items:center;gap:8px;font-size:17px;max-width:100%}
.sv-chip-en{font-size:13px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;min-width:0}
.sv-donemark{width:80px;height:80px;border-radius:40px;background:var(--primary-soft);color:var(--primary);display:flex;align-items:center;justify-content:center}
.sv-progress{border:1px solid var(--line);border-radius:22px;padding:16px 18px;display:flex;flex-direction:column;gap:10px}
.sv-writebox{margin:18px auto 0;width:min(320px,100%);aspect-ratio:1;position:relative;border:1.5px solid var(--line);border-radius:26px;display:flex;align-items:center;justify-content:center;touch-action:none}
.sv-writebox::before{content:"";position:absolute;left:50%;top:16px;bottom:16px;border-left:1.5px dashed var(--line)}
.sv-writebox::after{content:"";position:absolute;top:50%;left:16px;right:16px;border-top:1.5px dashed var(--line)}
.sv-writebox > span{font-size:min(236px,62vw);line-height:1;color:var(--stroke-guide);font-weight:500;position:relative}
.sv-writebox svg{position:relative;z-index:1}
#wr-tabs button{font-size:22px;min-width:64px}
.sv-flash{min-height:360px;border:1px solid var(--line);border-radius:26px;background:var(--bg);color:var(--ink);box-shadow:0 6px 24px rgba(28,32,36,.06);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;padding:20px;width:100%}
.sv-textbtn{min-height:48px;border:0;background:none;color:var(--primary-text);font-size:15px;font-weight:600;align-self:center;padding:0 16px;border-radius:24px}
.sv-credits{text-align:center;margin:0}
.sv-review{font-size:12.5px;font-weight:600;color:var(--muted)}
.sv-review.ok{color:var(--primary-text)}
input.sv-search{min-height:48px;border:1px solid var(--line);border-radius:24px;background:var(--sunk);padding:0 18px;font-size:15px}
.sv-wordrow{display:flex;align-items:center;gap:14px;min-height:64px;padding:10px 4px;border:0;border-bottom:1px solid var(--line);background:none;text-align:left;width:100%;color:var(--ink)}
.sv-status{font-size:12px;font-weight:600;padding:4px 9px;border-radius:10px;background:var(--sunk);color:var(--muted);flex:none}
.sv-status.due{background:var(--primary-soft);color:var(--primary-text)}

/* ---------- done calendar items ---------- */
.done-t{font-weight:600;color:var(--muted);text-decoration:line-through}

/* ---------- reminders (Settings, Android app only) ---------- */
.rem-set{border:0;margin:6px 0 0;padding:0}
#set-reminders .check input:checked + span{text-decoration:none;color:var(--ink)}   /* a chosen option, not a done step */

/* ===== Welcome v2: two calm pages ===== */
.wl-page{display:flex;flex-direction:column;min-height:calc(100vh - 80px)}
#wl-p1 .obhero{margin:auto 0;padding-top:12vh}
#wl-p1 .obh{font-size:34px}
.wl-page .obfoot{margin-top:auto;padding-bottom:12px}
.wl-dots{display:flex;gap:6px;justify-content:center;margin-bottom:16px}
.wl-dots i{width:6px;height:6px;border-radius:3px;background:var(--line)}
.wl-dots i.on{width:18px;background:var(--primary)}
.wl-points{list-style:none;padding:0;margin:18px 0 0;display:flex;flex-direction:column;gap:18px}
.wl-points li{display:flex;gap:14px;align-items:flex-start;line-height:1.5}
.wl-points strong{display:block}
.wl-ic{width:40px;height:40px;border-radius:12px;background:var(--primary-soft);color:var(--primary-text);display:grid;place-items:center;flex-shrink:0}
.wl-ic svg{width:21px;height:21px}
#wl-h2{outline:none}

/* ===== Home v2 ===== */
#home-bubble:empty{display:none}
.bub-card{display:flex;align-items:center;gap:14px;margin-top:14px;padding:14px 14px 14px 16px;border-radius:22px;background:var(--primary-soft)}
.bub-card b{display:block;font-size:15.5px}
.bub-card span:not(.bub-mark){font-size:13.5px;color:var(--muted);line-height:1.4;display:block}
.bub-mark{width:42px;height:42px;border-radius:21px;background:var(--primary);color:var(--primary-on);display:grid;place-items:center;font-size:20px;font-weight:700;flex-shrink:0;box-shadow:0 6px 16px var(--glow)}
.bub-on{display:flex;align-items:center;gap:10px;width:100%;margin-top:12px;padding:6px 14px 6px 6px;border-radius:999px;border:1px solid var(--line);background:var(--bg);color:var(--ink);font-size:14px;text-align:left}
.bub-on .bub-mark{width:32px;height:32px;font-size:15px;box-shadow:none}
.bub-dot{width:8px;height:8px;border-radius:4px;background:#30A46C;box-shadow:0 0 0 4px rgba(48,164,108,.18)}
.htoday{display:flex;flex-direction:column}
.hrow2{display:flex;align-items:center;gap:6px;border-bottom:1px solid var(--line);min-height:56px}
.hrow2 .open{border:none;background:none;text-align:left;color:var(--ink);padding:8px 0;display:flex;flex-direction:column;min-width:0}
.hrow2 .open b{font-weight:500;font-size:15.5px}
.hrow2 .open span{font-size:13px;color:var(--muted)}
.hrow2.done .open b{text-decoration:line-through;color:var(--muted)}
.hcap{width:8px;height:30px;border-radius:4px;background:var(--c);margin:0 18px 0 18px;flex-shrink:0}
.hs-card{margin-top:10px;border:1px solid var(--line);border-radius:22px;padding:16px 18px}
.hs-top{display:flex;justify-content:space-between;align-items:flex-start;gap:8px}
.hs-big{font-size:34px;font-weight:600;letter-spacing:-.04em;line-height:1}
.hs-of{color:var(--muted);font-size:14px}
.hs-bar{height:8px;border-radius:4px;background:var(--sunk);margin:12px 0 14px;overflow:hidden}
.hs-bar i{display:block;height:100%;border-radius:4px;background:var(--primary);transition:width .4s}
.hs-chart{display:flex;justify-content:space-between;align-items:flex-end;gap:6px;height:96px}
.hs-col{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:flex-end;gap:4px;height:100%}
.hs-col small{font-size:11px;color:var(--muted);line-height:1}
.hs-col .hs-n{color:var(--ink);font-weight:600}
.hs-b{width:100%;max-width:26px;border-radius:7px;background:var(--primary-soft)}
.hs-b.zero{background:var(--sunk)}
.hs-col.today .hs-b{background:var(--primary)}
.hs-col.today small:last-child{color:var(--ink);font-weight:600}
.hs-foot{margin-top:12px}

/* ===== Day timeline (Structured-style) ===== */
.tl-sec{font-size:13px;font-weight:600;color:var(--muted);margin:16px 0 6px}
.tl{list-style:none;padding:0;margin:14px 0 18px;display:flex;flex-direction:column}
.tl li{display:flex;align-items:stretch;gap:12px;position:relative}
.tl-t{width:42px;flex-shrink:0;font-size:12.5px;font-weight:600;color:var(--ink);padding-top:6px;display:flex;flex-direction:column;font-variant-numeric:tabular-nums}
.tl-t small{font-weight:400;color:var(--muted);margin-top:auto;padding-bottom:6px}
.tl-cap{width:46px;flex-shrink:0;border-radius:23px;background:var(--c);color:#fff;display:flex;align-items:flex-start;justify-content:center;padding-top:12px;position:relative;overflow:hidden;margin:3px 0}
.tl-cap svg{position:relative;z-index:1}
.tl-fill{position:absolute;left:0;right:0;top:0;background:rgba(255,255,255,.28)}
.tl-item.done .tl-cap{opacity:.45}
.tl-item.cancel .tl-cap{background:var(--sunk);color:var(--muted);border:2px dashed var(--line)}
.tl-body{flex:1;min-width:0;border:none;background:none;text-align:left;color:var(--ink);padding:8px 0;display:flex;flex-direction:column;gap:2px;justify-content:flex-start}
.tl-body b{font-size:16px;font-weight:600;line-height:1.3}
.tl-body small{font-size:13px;color:var(--muted)}
.tl-item.done .tl-body b,.tl-item.cancel .tl-body b{text-decoration:line-through;color:var(--muted)}
.tl-item .chk{align-self:center}
.tl-livetag{color:var(--red-text);font-weight:600}
.tl-rail{width:46px;flex-shrink:0;display:flex;justify-content:center;position:relative}
.tl-rail.dashed::before{content:"";position:absolute;top:2px;bottom:2px;left:50%;border-left:2px dashed var(--line)}
.tl-gap .tl-t{color:var(--muted);font-weight:400}
.tl-free{flex:1;border:none;background:none;display:flex;align-items:center;justify-content:space-between;gap:8px;color:var(--muted);font-size:14px;text-align:left;padding:0;min-height:34px}
.tl-plus{color:var(--primary-text);font-weight:600;font-size:13.5px;white-space:nowrap}
.tl-gap.empty .tl-free{background:var(--sunk);border-radius:16px;padding:14px 16px;margin:6px 0;color:var(--ink)}
.tl-gap.empty .tl-rail{min-height:72px}
.tl-now{align-items:center!important;height:22px}
.tl-now .tl-t{padding:0;color:var(--red-text)}
.tl-now .tl-rail i{width:12px;height:12px;border-radius:6px;background:var(--red-text);box-shadow:0 0 0 4px var(--red-soft)}
.tl-nowline{flex:1;border-top:2px solid var(--red-text);opacity:.5}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .tl-cap{color:#10131A}}
:root[data-theme="dark"] .tl-cap{color:#10131A}
.bub-card .btn{white-space:nowrap;flex-shrink:0}
.tl-item.past .tl-cap{opacity:.55}
.tl-item.past .tl-t{color:var(--muted)}
.tl-gap.empty .tl-free{flex-direction:column;align-items:flex-start;gap:4px;font-size:15px}

/* ===== v3: Guide tabs ===== */
#g-list > .seg{margin-top:4px}
.seg-s button{min-height:38px;font-size:13.5px;padding:0 12px;white-space:nowrap}
.sch-status{display:flex;gap:6px;margin-top:16px;flex-wrap:wrap}
.sch-status button{min-height:40px;padding:0 14px;border-radius:999px;border:1px solid var(--line);background:var(--bg);color:var(--ink);font-weight:600;font-size:14px;display:inline-flex;align-items:center;gap:6px}
.sch-status button[aria-pressed="true"]{background:var(--ink);color:var(--bg);border-color:var(--ink)}
.sch-n{font-size:12px;opacity:.7;font-variant-numeric:tabular-nums}
.sch-src{margin-top:2px}
#s-filters{margin-top:10px}
#g-grid h3{margin-top:24px}

/* My papers */
.pp-ic{width:40px;height:40px;border-radius:12px;background:var(--primary-soft);color:var(--primary-text);display:grid;place-items:center;flex-shrink:0}
.urgent .pp-ic{background:var(--bg);color:var(--red-text)}
.pp-empty{display:flex;flex-direction:column;gap:12px;align-items:flex-start;padding:16px;border-radius:18px;background:var(--sunk)}
.pp-empty b{display:block}
.pp-empty span{font-size:14px;color:var(--muted)}
.pp-row{display:flex;align-items:center;gap:12px;padding:12px 0;border-bottom:1px solid var(--line)}
.pp-row b{display:block;font-weight:500}
.pp-row .grow span{font-size:13px;color:var(--muted)}
.pp-n{display:flex;flex-direction:column;align-items:flex-end;line-height:1.05}
.pp-n b{font-size:24px;font-weight:600;letter-spacing:-.03em;font-variant-numeric:tabular-nums}
.pp-n small{font-size:12px;color:var(--muted)}
.pp-row.urgent .pp-n b{color:var(--red-text)}
.pp-form{display:flex;flex-direction:column;gap:10px;padding:16px;border-radius:18px;background:var(--sunk)}

/* Profile */
.pf-acct{display:flex;align-items:center;gap:12px;margin-top:6px}
.pf-acct b{display:block;font-size:16px;word-break:break-all}
.pf-acct .grow span{font-size:13.5px;color:var(--muted)}
.pf-av{width:48px;height:48px;border-radius:24px;background:var(--primary-soft);color:var(--primary-text);display:grid;place-items:center;font-weight:700;font-size:20px;flex-shrink:0}
.pf-plan{margin-top:18px;border:1px solid var(--line);border-radius:20px;padding:16px}
.pro{margin-top:14px;padding-top:14px;border-top:1px solid var(--line)}
.pro-list{margin:0 0 12px;padding-left:18px;display:flex;flex-direction:column;gap:4px;font-size:14.5px}
.pro-prices{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}
.pro-price{display:flex;flex-direction:column;align-items:center;gap:2px;padding:12px 6px;border-radius:14px;border:1px solid var(--line);background:var(--bg);color:var(--ink)}
.pro-price span{font-size:13px;color:var(--muted)}
.pro-price b{font-size:18px;font-variant-numeric:tabular-nums}
.pro-price small{font-size:11.5px;color:var(--muted)}
.pro-price:nth-child(3){border-color:var(--primary);box-shadow:0 0 0 1px var(--primary) inset}

/* Nuzzel card and closet */
.nz-card{border:1px solid var(--line);border-radius:20px;padding:14px 16px 16px}
.nz-card-top{display:flex;align-items:center;gap:12px}
.nz-mood{display:block;font-size:17px}
.nz-stats{display:flex;gap:14px;font-size:14px;margin:2px 0 4px}
.nz-stats b{font-variant-numeric:tabular-nums}
.closet{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px;margin-top:12px}
.closet-item{display:flex;flex-direction:column;align-items:center;gap:4px;padding:10px 4px;border-radius:14px;border:1px solid var(--line);background:var(--bg);color:var(--ink);min-height:68px}
.closet-item small{font-size:11px;line-height:1.2;text-align:center;color:var(--muted)}
.closet-item.on{border-color:var(--primary);background:var(--primary-soft)}
.closet-item.on small{color:var(--primary-text);font-weight:600}
.closet-item.locked{background:var(--sunk);color:var(--muted);border-style:dashed}

/* Community */
.com-head{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-top:16px}
.com-head .seg{flex:0 1 auto}
.com-list{display:flex;flex-direction:column;margin-top:8px}
.com-q{display:flex;gap:12px;align-items:flex-start;width:100%;padding:14px 0;border:0;border-bottom:1px solid var(--line);background:none;color:var(--ink);text-align:left}
.com-votes{width:44px;flex-shrink:0;display:flex;flex-direction:column;align-items:center;border-radius:12px;background:var(--sunk);padding:6px 0;line-height:1.1}
.com-votes b{font-size:16px;font-variant-numeric:tabular-nums}
.com-votes small{font-size:11px;color:var(--muted)}
.com-title{display:block;font-size:15.5px;font-weight:600;line-height:1.35}
.com-meta{display:block;font-size:12.5px;color:var(--muted);margin-top:2px}
.com-badges{display:flex;gap:8px;align-items:center;flex-wrap:wrap;margin-top:6px}
.com-empty,.com-pick{display:flex;flex-direction:column;gap:8px;align-items:flex-start;padding:18px;border-radius:18px;background:var(--sunk);margin-top:16px}
.com-pick select{width:100%}
.com-h2{font-size:22px;line-height:1.25;letter-spacing:-.02em;margin:6px 0 0;text-wrap:balance}
.com-qhead{display:flex;flex-direction:column;gap:8px}
.com-foot{gap:12px;flex-wrap:wrap;align-items:center}
.com-vote{display:inline-flex;align-items:center;gap:6px;min-height:36px;padding:0 12px;border-radius:999px;border:1px solid var(--line);background:var(--bg);color:var(--ink);font-weight:600;font-size:13.5px}
.com-vote.on{background:var(--primary-soft);color:var(--primary-text);border-color:transparent}
.com-report{font-size:13px;color:var(--muted)}
.com-reasons{font-size:13px;color:var(--muted);display:inline-flex;gap:10px;flex-wrap:wrap}
.com-a{padding:14px 16px;border-radius:18px;border:1px solid var(--line);display:flex;flex-direction:column;gap:8px}
.com-a.team{background:var(--primary-soft);border-color:transparent}
.com-a-who{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.com-a-body p{margin:0 0 8px}.com-a-body p:last-child{margin:0}

/* ===== Nuzzel ===== */
:root{--nz-fur:#8B5A36;--nz-dark:#5E3A22;--nz-cream:#EED3AE}
.nz-wrap{display:block;flex-shrink:0;transition:filter .6s}
.nz-wrap svg{width:100%;height:auto;display:block;overflow:visible}
.nz-wrap .nz-shadow{fill:#000;opacity:.12}
.nz-wrap .zzz{fill:var(--primary);font-family:var(--sans,system-ui)}
.nz-wrap .body{transform-origin:100px 170px}
.nz-wrap .head{transform-origin:100px 118px;transition:transform .5s}
.nz-wrap .earL{transform-origin:66px 52px;transition:transform .6s}
.nz-wrap .earR{transform-origin:134px 52px;transition:transform .6s}
.nz-wrap .eyes{transform-origin:100px 82px}
.nz-wrap .tail{transform-origin:138px 156px}
.nz-wrap .closed,.nz-wrap .open-mouth,.nz-wrap .brows,.nz-wrap .zzz,.nz-wrap .bone,.nz-wrap .tongue,.nz-wrap .heart,.nz-wrap .frown{opacity:0;transition:opacity .25s}
.nz-wrap .acc{display:none}
.nz-wrap[data-wear="bandana"] .acc-bandana,.nz-wrap[data-wear="cap"] .acc-cap,.nz-wrap[data-wear="collar"] .acc-collar{display:inline}
.nz-wrap .pawL,.nz-wrap .pawR{transform-box:fill-box;transform-origin:50% 0}
.nz-wrap .open-mouth{transform-origin:100px 106px}
.nz-wrap.idle .body{animation:nzBreathe 3.2s ease-in-out infinite}
.nz-wrap.idle .eyes,.nz-wrap.talk .eyes,.nz-wrap.eat .eyes{animation:nzBlink 4.5s infinite}
.nz-wrap.idle .tail,.nz-wrap.talk .tail,.nz-wrap.eat .tail{animation:nzWag .45s ease-in-out infinite alternate}
.nz-wrap.talk .head{transform:rotate(-7deg)}
.nz-wrap.talk .open-mouth{animation:nzYap .32s steps(1) infinite}
.nz-wrap.talk .smile{animation:nzYap2 .32s steps(1) infinite}
.nz-wrap.walk .body{animation:nzBob .36s ease-in-out infinite}
.nz-wrap.walk .pawL{animation:nzStep .36s ease-in-out infinite}
.nz-wrap.walk .pawR{animation:nzStep .36s ease-in-out infinite reverse}
.nz-wrap.walk .tail{animation:nzWag .25s ease-in-out infinite alternate}
.nz-wrap.walk .tongue{opacity:1}
.nz-wrap.yawn .open-mouth{opacity:1;animation:nzYawn 1.6s ease-in-out forwards}
.nz-wrap.yawn .smile{opacity:0}
.nz-wrap.yawn .eyes{transform:scaleY(.35)}
.nz-wrap.sleep .eyes{opacity:0}
.nz-wrap.sleep .closed{opacity:1}
.nz-wrap.sleep .head{transform:rotate(6deg) translateY(10px)}
.nz-wrap.sleep .body{animation:nzBreathe 4.8s ease-in-out infinite}
.nz-wrap.sleep .zzz{opacity:1;animation:nzFloat 2.6s ease-in-out infinite}
.nz-wrap.tired{filter:saturate(.75)}
.nz-wrap.sad{filter:saturate(.45) brightness(.92)}
.nz-wrap.tired .earL,.nz-wrap.sad .earL,.nz-wrap.sleep .earL{transform:rotate(12deg)}
.nz-wrap.tired .earR,.nz-wrap.sad .earR,.nz-wrap.sleep .earR{transform:rotate(-12deg)}
.nz-wrap.tired .eyes{transform:scaleY(.7)}
.nz-wrap.sad .head{transform:translateY(8px) rotate(3deg)}
.nz-wrap.sad .brows,.nz-wrap.sad .frown{opacity:1}
.nz-wrap.sad .smile{opacity:0}
.nz-wrap.tired.idle .body{animation-duration:5s}
.nz-wrap.sad.idle .body{animation-duration:6.5s}
.nz-wrap.sad .tail{animation:none!important;transform:rotate(28deg)}
.nz-wrap.eat .bone{opacity:1;animation:nzChomp .5s ease-in-out 4}
.nz-wrap.eat .open-mouth{animation:nzYap .25s steps(1) infinite}
.nz-wrap.eat .heart{animation:nzHeart 1.8s ease-out forwards}
@keyframes nzBreathe{50%{transform:scale(1.025,.985)}}
@keyframes nzBlink{0%,92%,100%{transform:scaleY(1)}95%{transform:scaleY(.08)}}
@keyframes nzWag{from{transform:rotate(-14deg)}to{transform:rotate(16deg)}}
@keyframes nzYap{0%{opacity:1}50%{opacity:0}}
@keyframes nzYap2{0%{opacity:0}50%{opacity:1}}
@keyframes nzBob{50%{transform:translateY(-5px)}}
@keyframes nzStep{0%,100%{transform:translateY(0)}50%{transform:translateY(-6px)}}
@keyframes nzYawn{0%{transform:scale(1)}50%{transform:scale(1.9,2.2)}100%{transform:scale(1)}}
@keyframes nzFloat{0%{transform:translateY(4px);opacity:0}30%{opacity:1}100%{transform:translateY(-14px);opacity:0}}
@keyframes nzChomp{50%{transform:translateY(3px)}}
@keyframes nzHeart{0%{opacity:0;transform:translateY(0) scale(.6)}20%{opacity:1}100%{opacity:0;transform:translateY(-30px) scale(1.1)}}
@media (prefers-reduced-motion: reduce){.nz-wrap *{animation:none!important;transition:none!important}}

/* Nuzzel on Home: sitting on the top edge of the box, at the right */
#omni{position:relative}
#v-home.has-nz #omni{margin-top:52px}
.nz-stage{position:absolute;right:14px;bottom:calc(100% - 8px);display:flex;align-items:flex-end;gap:6px;pointer-events:none}
.nz-pos{pointer-events:auto;border:0;background:none;padding:0;cursor:pointer;display:block}
.nz-bubble{position:absolute;right:calc(100% + 2px);bottom:16px;background:var(--ink);color:var(--bg);font-size:13.5px;line-height:1.35;padding:9px 12px;border-radius:14px;width:max-content;max-width:210px;opacity:0;transform:translateY(4px);transition:opacity .25s,transform .25s;pointer-events:none}
.nz-bubble.show{opacity:1;transform:none}
.nz-bubble::after{content:"";position:absolute;right:-6px;bottom:14px;border:7px solid transparent;border-left-color:var(--ink);border-right:0}
.nz-bubble .zh{font-weight:700}
/* Study: on the progress bar */
.nz-track{position:relative;height:50px;margin-bottom:-4px}
.nz-spot{position:absolute;bottom:0;transition:left .7s ease}
.nz-track .nz-bubble{bottom:20px}
.nz-spot:has(.nz-wrap) .nz-bubble{right:calc(100% + 2px)}
.nz-bubble.right{right:auto;left:calc(100% + 2px)}
.nz-bubble.right::after{right:auto;left:-6px;border-left-color:transparent;border-right:7px solid var(--ink);border-left:0}

/* ===== v4: word by word ===== */
.sv-lit{margin-top:12px;padding-top:10px;border-top:1px dashed var(--line)}
.sv-lit-h{font-size:12px;font-weight:600;color:var(--muted);margin-bottom:6px}
.sv-lit-row{display:flex;flex-wrap:wrap;gap:6px}
.sv-lit-w{display:flex;flex-direction:column;align-items:center;gap:1px;padding:6px 8px;border-radius:10px;background:var(--bg);min-width:44px;line-height:1.2}
.sv-lit-w .zh{font-size:17px;font-weight:500}
.sv-lit-w small{font-size:11px;color:var(--muted)}
.sv-lit-w b{font-size:12px;font-weight:600;color:var(--primary-text);text-align:center;max-width:96px}

/* ===== v4: Test yourself ===== */
.ts-choice{display:flex;flex-direction:column;gap:8px}
.ts-choice button{display:flex;flex-direction:column;align-items:flex-start;gap:2px;padding:14px 16px;border-radius:16px;border:1px solid var(--line);background:var(--bg);color:var(--ink);text-align:left}
.ts-choice button span{font-size:13.5px;color:var(--muted)}
.ts-choice button[aria-checked="true"]{border-color:var(--primary);box-shadow:0 0 0 1px var(--primary) inset;background:var(--primary-soft)}
.ts-choice button:disabled{opacity:.5}
.seg button[aria-checked="true"]{background:var(--bg);color:var(--ink);box-shadow:0 1px 3px rgba(0,0,0,.08)}
.ts-prompt{display:flex;flex-direction:column;align-items:center;gap:6px;text-align:center;padding:22px 12px;border-radius:22px;border:1px solid var(--line)}
.ts-big{font-size:56px;font-weight:500;line-height:1.1}
.ts-en{font-size:26px;font-weight:600;letter-spacing:-.02em}
.ts-gap{font-size:24px;line-height:1.5}
.ts-opts{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
.ts-opt{position:relative;min-height:64px;padding:12px 12px 12px 34px;border-radius:16px;border:1px solid var(--line);background:var(--bg);color:var(--ink);font-size:16px;font-weight:500;text-align:left;line-height:1.3}
.ts-opt.zh{font-size:22px}
.ts-k{position:absolute;left:12px;top:12px;font-size:11px;font-weight:600;color:var(--muted);font-family:var(--sans,system-ui)}
.ts-opt:disabled{opacity:1}
.ts-opt.right{background:#E9F7EF;border-color:#30A46C;color:#1E7A50}
.ts-opt.wrong{background:var(--red-soft);border-color:var(--red-text);color:var(--red-text)}
.ts-fb{padding:12px 14px;border-radius:16px;display:flex;flex-direction:column;gap:6px}
.ts-fb.ok{background:#E9F7EF}
.ts-fb.no{background:var(--red-soft)}
.ts-score{display:flex;flex-direction:column;align-items:center;gap:6px;text-align:center;padding:12px 0 4px}
.ts-score > b{font-size:48px;font-weight:600;letter-spacing:-.03em;font-variant-numeric:tabular-nums}
.ts-score > span{color:var(--muted);font-size:16px}
.ts-miss{display:flex;gap:10px;align-items:center;padding:8px 0;border-bottom:1px solid var(--line)}
.ts-miss .zh{font-size:20px;font-weight:600}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .ts-opt.right,:root:not([data-theme="light"]) .ts-fb.ok{background:#1F3329;color:#6BCB9A}}
:root[data-theme="dark"] .ts-opt.right,:root[data-theme="dark"] .ts-fb.ok{background:#1F3329;color:#6BCB9A}

/* ===== v5: Community, Reddit style ===== */
.com-top{display:flex;gap:8px;align-items:center;margin-top:16px}
.com-search{flex:1;min-width:0;display:flex;align-items:center;gap:8px;border:1px solid var(--line);border-radius:14px;padding:0 12px;background:var(--sunk);color:var(--muted)}
.com-search input{border:0;background:transparent;min-height:46px;padding:0;flex:1;min-width:0;font-size:15.5px;outline:none;color:var(--ink)}
.com-search:focus-within{border-color:var(--primary);background:var(--bg)}
.com-top .btn{flex-shrink:0;gap:4px}
.com-feed{display:flex;flex-direction:column;gap:10px;margin-top:14px}
.com-post{display:flex;flex-direction:column;gap:10px;padding:14px 16px 10px;border:1px solid var(--line);border-radius:20px;background:var(--bg);cursor:pointer;text-align:left}
.com-post:focus-visible{outline:2px solid var(--primary);outline-offset:2px}
.com-post.pinned{background:var(--primary-soft);border-color:transparent}
.com-pin{display:flex;align-items:center;gap:6px;font-size:12.5px;font-weight:600;color:var(--primary-text)}
.com-who{display:flex;align-items:center;gap:10px}
.com-av{border-radius:50%;display:grid;place-items:center;color:#fff;font-weight:700;font-size:15px;flex-shrink:0}
.com-av.team{background:var(--primary);color:var(--primary-on)}
.com-name{display:flex;align-items:center;gap:6px;line-height:1.2}
.com-name b{font-size:14.5px}
.com-badge{font-size:11px;font-weight:700;color:var(--primary-text);background:var(--primary-soft);border-radius:999px;padding:2px 7px}
.com-post.pinned .com-badge{background:var(--bg)}
.com-meta{display:block;font-size:12.5px;color:var(--muted)}
.com-body{display:flex;flex-direction:column;gap:6px;padding-left:46px}
.com-title{margin:0;font-size:16.5px;font-weight:600;line-height:1.35;color:var(--ink);text-wrap:pretty}
.com-snip{margin:0;font-size:14.5px;color:var(--muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;white-space:pre-line}
.com-tags{display:flex;gap:6px;flex-wrap:wrap}
.tag.red{background:var(--red-soft);color:var(--red-text)}
.com-actions{display:flex;align-items:center;gap:6px;flex-wrap:wrap;padding-left:40px}
.com-full .com-actions,.com-c .com-actions{padding-left:0}
.com-votes2{display:inline-flex;align-items:center;gap:2px;border-radius:999px;background:var(--sunk);padding:2px}
.com-votes2 button{width:34px;height:34px;border:0;background:none;border-radius:50%;display:grid;place-items:center;color:var(--muted)}
.com-votes2 b{min-width:20px;text-align:center;font-size:14px;font-variant-numeric:tabular-nums}
.com-votes2.up{background:var(--primary-soft)}.com-votes2.up button:first-child,.com-votes2.up b{color:var(--primary-text)}
.com-votes2.down{background:var(--red-soft)}.com-votes2.down button:last-child,.com-votes2.down b{color:var(--red-text)}
.com-act{display:inline-flex;align-items:center;gap:6px;min-height:38px;padding:0 12px;border-radius:999px;font-size:13.5px;font-weight:600;color:var(--muted);background:none;border:0}
button.com-act{background:var(--sunk)}
.com-act.ok{color:#1E7A50}
button.com-act.ok{background:#E9F7EF}
.com-full{display:flex;flex-direction:column;gap:12px}
.com-text{font-size:15.5px;line-height:1.6}
.com-text p{margin:0 0 10px}.com-text p:last-child{margin:0}
.com-text ol,.com-text ul{margin:0 0 10px;padding-left:20px}
.com-c{display:flex;flex-direction:column;gap:8px;padding:12px 0 6px;border-top:1px solid var(--line)}
.com-c .com-text{padding-left:46px}
.com-c.team .com-text{background:var(--primary-soft);border-radius:14px;padding:10px 12px;margin-left:46px}
.com-similar{display:flex;flex-direction:column;gap:4px}
.com-similar:empty{display:none}
.pe-colors{display:flex;gap:10px;flex-wrap:wrap}
.pe-colors button{width:34px;height:34px;border-radius:50%;border:3px solid var(--bg);box-shadow:0 0 0 1px var(--line)}
.pe-colors button[aria-checked="true"]{box-shadow:0 0 0 2px var(--ink)}
.com-pins{display:flex;flex-direction:column;border-radius:18px;background:var(--primary-soft);padding:12px 14px 4px}
.com-pinrow{display:flex;align-items:center;gap:8px;width:100%;min-height:44px;border:0;border-top:1px solid color-mix(in srgb,var(--primary) 18%,transparent);background:none;color:var(--ink);font-weight:600;font-size:15px;text-align:left;padding:8px 0}
.com-pins .com-pin{padding-bottom:6px}
/* Study: the example's Listen and ⓘ (where the sentence comes from) buttons */
.ex-btns{display:flex;flex-direction:column;gap:6px;flex-shrink:0}
.ex-info{font-size:18px;line-height:1;color:var(--muted)}
.ex-src{margin-top:4px}
/* Community: Edit and Delete on your own posts and comments, and the one-time display name */
.com-mine{display:inline-flex;align-items:center;gap:14px;margin-left:auto}
.com-mine .link{min-height:44px}
.com-confirm{display:inline-flex;align-items:center;gap:12px;flex-wrap:wrap}
.com-title.muted,.com-h2.muted{color:var(--muted);font-style:italic}
.com-name-ask{margin-top:12px}