:root{--bg:#fafafa;--card:#fff;--text:#18181b;--muted:#71717a;--line:#e4e4e7;--accent:#0d9488;--accent-d:#0f766e;--err:#b91c1c;--radius:14px}
*{box-sizing:border-box}html,body{margin:0}
body{font:16px/1.55 ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;background:var(--bg);color:var(--text);min-height:100vh;display:flex;flex-direction:column}
a{color:var(--accent-d)}
.top{display:flex;align-items:center;justify-content:space-between;padding:16px 24px;border-bottom:1px solid var(--line);background:#fff}
.brand{font-weight:700;font-size:20px;letter-spacing:-.02em;color:var(--text);text-decoration:none;display:flex;align-items:center;gap:8px}
.dot{width:12px;height:12px;border-radius:50%;background:var(--accent);display:inline-block}
nav{display:flex;align-items:center;gap:16px}nav a{color:var(--text);text-decoration:none;font-size:15px}nav a:hover{color:var(--accent-d)}
main{flex:1;width:100%;padding:32px 20px}
main.center{display:flex;align-items:flex-start;justify-content:center;padding-top:8vh}
main.wide{max-width:960px;margin:0 auto}
main.hero{display:flex;align-items:center;justify-content:center}
.hero-inner{max-width:620px;text-align:center}
h1{font-size:28px;letter-spacing:-.02em;margin:0 0 8px;line-height:1.2}
.hero h1{font-size:clamp(32px,6vw,52px)}
h2{font-size:18px;margin:0 0 12px}h3{margin:0 0 4px;font-size:16px}
.eyebrow{text-transform:uppercase;letter-spacing:.12em;font-size:12px;font-weight:600;color:var(--accent-d);margin:0 0 8px}
.lead{font-size:18px;color:var(--muted);margin:0 0 24px}
.muted{color:var(--muted)}.small{font-size:14px}.center-text{text-align:center}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:32px;width:100%;max-width:400px;box-shadow:0 1px 2px rgba(0,0,0,.04),0 8px 24px rgba(0,0,0,.04)}
.card.flat{max-width:none;box-shadow:none;padding:20px;margin:16px 0}
.stack{display:flex;flex-direction:column;gap:14px;margin-top:20px}
label{display:flex;flex-direction:column;gap:6px;font-size:14px;font-weight:600}
input{font:inherit;padding:11px 12px;border:1px solid var(--line);border-radius:10px;background:#fff;color:var(--text);width:100%}
input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(13,148,136,.15)}
.btn{display:inline-block;font:inherit;font-weight:600;background:var(--accent);color:#fff;border:0;border-radius:10px;padding:11px 20px;cursor:pointer;text-decoration:none;text-align:center}
.btn:hover{background:var(--accent-d)}.btn.full{width:100%}.btn.small{padding:7px 12px;font-size:14px}
.btn.ghost{background:#fff;color:var(--text);border:1px solid var(--line)}.btn.ghost:hover{border-color:var(--text)}
.btn.danger{background:#fff;color:var(--err);border:1px solid #fecaca}.btn.danger:hover{background:#fef2f2}
button.link{background:none;border:0;font:inherit;font-size:15px;color:var(--text);cursor:pointer;padding:0}
form.inline{display:inline}
.notice{padding:10px 12px;border-radius:10px;background:#f4f4f5;font-size:14px;margin:12px 0}
.notice.err{background:#fef2f2;color:var(--err)}.notice.ok{background:#f0fdfa;color:var(--accent-d)}
.welcome{margin:12px 0 28px}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px}
.tile{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px;text-decoration:none;color:inherit}
.link-tile:hover{border-color:var(--accent)}
.row{display:flex;gap:10px;flex-wrap:wrap}.row input{flex:1 1 180px;width:auto}
.copybox{display:flex;gap:8px;margin-top:8px}.copybox input{font-family:ui-monospace,monospace;font-size:13px}
.table{background:#fff;border:1px solid var(--line);border-radius:var(--radius)}
.trow{display:grid;grid-template-columns:1fr auto auto;gap:12px;align-items:center;padding:14px 16px;border-top:1px solid var(--line)}.trow:first-child{border-top:0}
.acts{display:flex;gap:6px;flex-wrap:wrap;justify-content:flex-end}.acts form{margin:0}
.tag{font-size:11px;background:#f4f4f5;border-radius:6px;padding:2px 6px;color:var(--muted)}
.status{font-size:12px;font-weight:600;padding:3px 8px;border-radius:999px;background:#f4f4f5;color:var(--muted)}
.s-active{background:#f0fdfa;color:var(--accent-d)}.s-disabled{background:#fef2f2;color:var(--err)}
.foot{text-align:center;color:var(--muted);font-size:13px;padding:24px}
@media (max-width:600px){.card{padding:24px;border-radius:12px}.top{padding:14px 16px}nav{gap:12px}.trow{grid-template-columns:1fr auto}.acts{grid-column:1/-1;justify-content:flex-start}main.center{padding-top:4vh}}
.wordmark{font-weight:800;font-size:22px;letter-spacing:-.03em;display:flex;align-items:center;gap:8px;margin-bottom:18px}
.invite-note{font-size:13px;color:var(--muted);text-align:center;margin:18px 0 0;padding-top:16px;border-top:1px solid var(--line)}
.pill{display:inline-block;font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.08em;padding:3px 8px;border-radius:999px;background:var(--pill-bg,#f0fdfa);color:var(--pill-fg,var(--accent-d));margin-right:4px}

/* ===== Themes: set LUOS_THEME=a|b|c in /etc/luos/luos.env and restart luos-app ===== */
/* Option A (default): clean & neutral - uses :root values above */

/* Option B: bold yellow + black */
[data-theme="b"]{--bg:#fffbea;--card:#fff;--text:#111;--muted:#444;--line:#111;--accent:#FFD400;--accent-d:#111;--radius:12px;--pill-bg:#111;--pill-fg:#FFD400}
[data-theme="b"] .top{background:#FFD400;border-bottom:3px solid #111}
[data-theme="b"] .dot{background:#111;border-radius:3px}
[data-theme="b"] .top .dot{background:#111}
[data-theme="b"] .card,[data-theme="b"] .tile,[data-theme="b"] .table{border:3px solid #111;box-shadow:6px 6px 0 #111}
[data-theme="b"] .card.flat{box-shadow:none}
[data-theme="b"] input{border:2px solid #111;border-radius:8px}
[data-theme="b"] input:focus{box-shadow:0 0 0 3px #FFD400;border-color:#111}
[data-theme="b"] .btn{background:#FFD400;color:#111;border:2px solid #111;box-shadow:3px 3px 0 #111;font-weight:800}
[data-theme="b"] .btn:hover{background:#ffe14d;transform:translate(1px,1px);box-shadow:2px 2px 0 #111}
[data-theme="b"] .top .btn{background:#111;color:#FFD400}
[data-theme="b"] .btn.ghost,[data-theme="b"] .btn.danger{background:#fff;box-shadow:none}
[data-theme="b"] a{color:#111;font-weight:600}
[data-theme="b"] .eyebrow{color:#111;background:#FFD400;display:inline-block;padding:2px 8px;border:2px solid #111}
[data-theme="b"] h1{font-weight:900}
[data-theme="b"] .wordmark{font-weight:900;font-size:26px}
[data-theme="b"] .invite-note{border-top:2px dashed #111}

/* Option C: dark & modern */
[data-theme="c"]{--bg:#0b1020;--card:rgba(255,255,255,.04);--text:#e7e9f2;--muted:#9aa3b8;--line:rgba(255,255,255,.10);--accent:#7c8cff;--accent-d:#a5b0ff;--radius:18px;--pill-bg:rgba(124,140,255,.15);--pill-fg:#b8c1ff}
[data-theme="c"] body,[data-theme="c"]{background:radial-gradient(1200px 600px at 15% -10%,rgba(124,92,255,.28),transparent 60%),radial-gradient(900px 500px at 110% 10%,rgba(56,189,248,.18),transparent 60%),#0b1020;background-attachment:fixed}
[data-theme="c"] .top{background:rgba(11,16,32,.6);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
[data-theme="c"] .dot{background:linear-gradient(135deg,#7c5cff,#38bdf8)}
[data-theme="c"] .card,[data-theme="c"] .tile,[data-theme="c"] .table{background:rgba(255,255,255,.04);border:1px solid var(--line);box-shadow:0 20px 60px rgba(0,0,0,.35);backdrop-filter:blur(12px)}
[data-theme="c"] input{background:rgba(255,255,255,.05);border:1px solid var(--line);color:var(--text)}
[data-theme="c"] input:focus{border-color:#7c8cff;box-shadow:0 0 0 3px rgba(124,140,255,.25)}
[data-theme="c"] .btn{background:linear-gradient(135deg,#7c5cff,#3b82f6);color:#fff}
[data-theme="c"] .btn:hover{filter:brightness(1.1)}
[data-theme="c"] .btn.ghost{background:transparent;color:var(--text);border:1px solid var(--line)}
[data-theme="c"] .btn.danger{background:transparent;color:#fca5a5;border:1px solid rgba(252,165,165,.3)}
[data-theme="c"] nav a,[data-theme="c"] button.link,[data-theme="c"] .brand{color:var(--text)}
[data-theme="c"] .notice{background:rgba(255,255,255,.06)}
[data-theme="c"] .notice.err{background:rgba(185,28,28,.15);color:#fca5a5}
[data-theme="c"] .wordmark{background:linear-gradient(135deg,#c4b5fd,#7dd3fc);-webkit-background-clip:text;background-clip:text;color:transparent}
[data-theme="c"] .tag,[data-theme="c"] .status{background:rgba(255,255,255,.08)}

/* ===== v3: theme switcher ===== */
.top .tr{display:flex;align-items:center;gap:16px}
.switcher{display:flex;gap:4px;align-items:center}
.sw{display:flex;align-items:center;gap:6px;background:none;border:1px solid transparent;border-radius:999px;padding:4px 8px 4px 4px;cursor:pointer;font:inherit;font-size:12px;color:var(--muted)}
.sw span{width:16px;height:16px;border-radius:50%;display:inline-block;border:1px solid rgba(0,0,0,.15)}
.sw em{font-style:normal}
.sw-a span{background:linear-gradient(135deg,#fff 50%,#0d9488 50%)}
.sw-b span{background:linear-gradient(135deg,#FFD400 50%,#111 50%)}
.sw-c span{background:linear-gradient(135deg,#0b1020 50%,#7c8cff 50%)}
.sw[aria-pressed="true"]{border-color:var(--line);color:var(--text);font-weight:600}
.sw:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
[data-theme="b"] .sw{color:#111}
[data-theme="b"] .sw[aria-pressed="true"]{border:2px solid #111;background:#fff}
[data-theme="c"] .sw span{border-color:rgba(255,255,255,.25)}
@media (max-width:600px){.sw em{display:none}.sw{padding:3px}.top .tr{gap:10px}nav{gap:10px}nav a,button.link{font-size:14px}}

/* ===== Happy mascot on the login card ===== */
.card-head{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;margin-bottom:6px}
.card-head .wordmark{margin:8px 0 0}
.happy{flex:0 0 auto;width:64px;height:85px;margin:-18px -10px -12px 0;padding:0;border:0;background:none;cursor:pointer;border-radius:12px;position:relative;z-index:1;-webkit-tap-highlight-color:transparent}
.happy svg{width:100%;height:100%;overflow:visible;pointer-events:none}
.happy:focus-visible{outline:2px solid var(--accent);outline-offset:4px}
[data-theme="b"] .happy:focus-visible{outline-color:#111}
[data-theme="c"] .happy svg{filter:drop-shadow(0 6px 14px rgba(0,0,0,.45))}
.card{position:relative}
@media (max-width:600px){.happy{width:50px;height:66px;margin:-14px -6px -6px 0}}

/* ===== Language switcher (icon from happymove.app quote.html, copied unchanged) ===== */
.lang{position:relative}
.lang-btn{width:38px;height:38px;border-radius:50%;border:1px solid var(--line);background:var(--card);display:grid;place-items:center;cursor:pointer;padding:0;color:var(--text)}
.lang-btn svg{width:20px;height:20px}
.lang-btn:hover{border-color:var(--accent)}.lang-btn:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.lang-menu{position:absolute;top:calc(100% + 8px);right:0;z-index:50;min-width:140px;display:grid;gap:2px;padding:6px;background:var(--card);border:1px solid var(--line);border-radius:12px;box-shadow:0 10px 30px rgba(0,0,0,.12)}
.lang-menu[hidden]{display:none}
.lang-menu button{min-height:36px;border:0;border-radius:8px;background:transparent;font:inherit;font-weight:600;cursor:pointer;color:var(--text);text-align:left;padding:0 10px}
.lang-menu button:hover,.lang-menu button:focus-visible{background:rgba(127,127,127,.12);outline:none}
.lang-menu button[aria-checked=true]{color:var(--accent-d)}
.lang-menu button[aria-checked=true]::after{content:" ✓"}
[data-theme="b"] .lang-btn{border:2px solid #111;background:#fff;color:#111;box-shadow:2px 2px 0 #111}
[data-theme="b"] .lang-menu{background:#fff;border:2px solid #111;box-shadow:4px 4px 0 #111;border-radius:10px}
[data-theme="b"] .lang-menu button[aria-checked=true]{background:#FFD400;color:#111}
[data-theme="c"] .lang-btn{background:rgba(255,255,255,.06)}
[data-theme="c"] .lang-menu{background:#141a2e}
html[lang^="zh"] body{font-family:ui-sans-serif,system-ui,-apple-system,"PingFang TC","PingFang SC","Noto Sans CJK TC","Noto Sans CJK SC","Microsoft JhengHei","Microsoft YaHei",sans-serif}
@media (max-width:600px){.lang-btn{width:34px;height:34px}.lang-btn svg{width:18px;height:18px}.top{flex-wrap:wrap;row-gap:8px}}

/* ===== Language picker inside the login card (top-left; Happy stays top-right) ===== */
.lang-card{margin-top:6px}
.lang-btn.with-label{width:auto;height:38px;border-radius:999px;display:inline-flex;align-items:center;gap:6px;padding:0 12px 0 9px;font:inherit;font-size:14px;font-weight:600}
.lang-btn.with-label .caret{font-size:11px;opacity:.6}
.lang-card .lang-menu{left:0;right:auto}
@media (max-width:600px){.lang-btn.with-label{height:36px;font-size:13px;padding:0 10px 0 8px}}

/* ===== Home page, feeds, dashboard ===== */
main.home{max-width:1080px}
.home-hero{display:grid;grid-template-columns:1fr auto;gap:24px;align-items:center;margin:8px 0 36px}
.home-hero h1{font-size:clamp(30px,4.6vw,48px);line-height:1.12;margin:0 0 14px}
.home-hero .lead{max-width:620px}
.happy.happy-hero{width:170px;height:225px;margin:0 20px 0 0}
.sections{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.sec-card{position:relative;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:22px;display:flex;flex-direction:column;gap:6px;transition:transform .15s,border-color .15s;min-height:250px}
.sec-card:hover{transform:translateY(-2px);border-color:var(--accent)}
.sec-card h2{font-size:22px;margin:0}
.sec-card h2 a{color:var(--text);text-decoration:none}
.stretch::after{content:"";position:absolute;inset:0;border-radius:inherit}
.sec-card .stretch:focus-visible{outline:none}.sec-card:focus-within{outline:2px solid var(--accent);outline-offset:2px}
.sec-card::before{content:"";display:block;width:36px;height:6px;border-radius:3px;background:var(--accent);margin-bottom:8px}
.sec-latest{display:flex;flex-direction:column;gap:10px;margin-top:8px;flex:1}
.mini{display:flex;gap:10px;align-items:center}
.mini img{width:44px;height:44px;object-fit:cover;border-radius:8px;flex:0 0 auto}
.mini strong{display:block;font-size:14px;line-height:1.35;font-weight:600}
.see-all{font-size:14px;font-weight:600;color:var(--accent-d)}
.crumb{margin:0 0 8px;font-size:14px}.crumb a{text-decoration:none}
.feed-head{display:flex;justify-content:space-between;align-items:flex-start;gap:16px;flex-wrap:wrap}
.posts{display:flex;flex-direction:column;gap:14px;margin:16px 0 28px}
.post{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:18px 20px}
.post-title{font-size:18px;margin:0 0 6px}
.post-body{white-space:pre-wrap;margin:0 0 8px;overflow-wrap:anywhere}
.post-link{margin:0 0 8px;overflow-wrap:anywhere}
.post-photo img{display:block;max-width:100%;max-height:520px;border-radius:10px;margin:6px 0 10px}
.post-meta{display:flex;justify-content:space-between;align-items:center;gap:10px;flex-wrap:wrap;font-size:13px;color:var(--muted)}
.post-acts{display:flex;gap:6px;flex-wrap:wrap}.post-acts form{margin:0}
.badge{display:inline-block;font-size:12px;font-weight:700;padding:3px 9px;border-radius:999px;background:var(--pill-bg,#f0fdfa);color:var(--pill-fg,var(--accent-d))}
.post.is-done .post-title{text-decoration:line-through;text-decoration-thickness:2px;text-decoration-color:var(--accent)}
.dream-flag:empty{display:none}.dream-flag{margin-bottom:6px}
.quick{display:flex;gap:10px;flex-wrap:wrap;margin-top:6px}
.dash-links{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin-bottom:20px}
.sec-label{margin:4px 0 -8px}.sec-label a{text-decoration:none}
.wide-card{max-width:560px}
textarea{font:inherit;padding:11px 12px;border:1px solid var(--line);border-radius:10px;background:var(--card);color:var(--text);width:100%;resize:vertical}
textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(13,148,136,.15)}
input[type=file]{padding:8px}
label.check{flex-direction:row;align-items:center;gap:8px;font-weight:500}label.check input{width:auto}
.form-photo{max-width:100%;max-height:220px;border-radius:10px}
[data-theme="b"] .sec-card,[data-theme="b"] .post{border:3px solid #111;box-shadow:5px 5px 0 #111}
[data-theme="b"] .sec-card:hover{border-color:#111;transform:translate(-1px,-2px);box-shadow:7px 7px 0 #111}
[data-theme="b"] .sec-card::before{background:#FFD400;border:2px solid #111;height:10px}
[data-theme="b"] .see-all{color:#111}
[data-theme="b"] textarea{border:2px solid #111;border-radius:8px}
[data-theme="c"] .sec-card,[data-theme="c"] .post{background:rgba(255,255,255,.04);backdrop-filter:blur(12px)}
[data-theme="c"] .sec-card::before{background:linear-gradient(90deg,#7c5cff,#38bdf8)}
[data-theme="c"] textarea{background:rgba(255,255,255,.05)}
@media (max-width:860px){.sections{grid-template-columns:1fr}.sec-card{min-height:0}}
@media (max-width:600px){.home-hero{grid-template-columns:1fr auto;gap:8px}.happy.happy-hero{width:84px;height:112px;margin:0}.home-hero h1{font-size:28px}}

/* ===== Animated hero words ===== */
.hero-mark{font-weight:900;letter-spacing:-.04em;font-size:clamp(40px,7vw,72px);line-height:1;margin:0 0 10px;display:inline-block;
  background:linear-gradient(100deg,#7c5cff 0%,#5b7cfa 35%,#c7d2fe 50%,#5b7cfa 65%,#3b82f6 100%);background-size:250% 100%;background-position:100% 0;
  -webkit-background-clip:text;background-clip:text;color:transparent;
  animation:mark-in 1.4s cubic-bezier(.2,.7,.2,1) both, mark-shimmer 6s ease-in-out 1.6s infinite}
@keyframes mark-in{from{opacity:0;transform:translateY(8px);background-position:100% 0}to{opacity:1;transform:none;background-position:0 0}}
@keyframes mark-shimmer{0%,70%{background-position:0 0}85%{background-position:-60% 0}100%{background-position:0 0}}
h1.reveal .rv{display:inline-block;opacity:0;transform:translateY(.35em)}
h1.reveal.go .rv{animation:rv .55s cubic-bezier(.2,.7,.2,1) forwards;animation-delay:calc(.35s + var(--i) * 60ms)}
@keyframes rv{to{opacity:1;transform:none}}
.callout{font-size:clamp(20px,2.6vw,26px);font-weight:700;margin:-4px 0 14px;color:var(--text)}
.rot{display:inline-grid;vertical-align:bottom}
.rot-w{grid-area:1/1;opacity:0;transform:translateY(.3em);transition:opacity .25s ease,transform .25s ease;color:var(--accent-d);white-space:nowrap}
.rot-w.on{opacity:1;transform:none;transition:opacity .5s ease .1s,transform .5s ease .1s}
[data-theme="b"] .rot-w{color:#111;background:#FFD400;padding:0 .25em;border-radius:4px;box-shadow:2px 2px 0 #111}
[data-theme="c"] .rot-w{background:linear-gradient(90deg,#a78bfa,#60a5fa);-webkit-background-clip:text;background-clip:text;color:transparent}
@media (prefers-reduced-motion:reduce){.hero-mark{animation:none;background-position:0 0}h1.reveal .rv{opacity:1;transform:none;animation:none}.rot-w{transition:none}}

/* ===== Sticky header + phone layout ===== */
.top{position:sticky;top:0;z-index:40}
.top .tr{display:flex;align-items:center;gap:14px}
.theme-cycle{display:none;width:44px;height:44px;border-radius:50%;border:1px solid var(--line);background:var(--card);padding:0;cursor:pointer;place-items:center}
.theme-cycle span{width:20px;height:20px;border-radius:50%;display:block;border:1px solid rgba(0,0,0,.15);background:linear-gradient(135deg,#fff 50%,#0d9488 50%)}
[data-theme="b"] .theme-cycle span{background:linear-gradient(135deg,#FFD400 50%,#111 50%)}
[data-theme="c"] .theme-cycle span{background:linear-gradient(135deg,#0b1020 50%,#7c8cff 50%);border-color:rgba(255,255,255,.25)}
[data-theme="b"] .theme-cycle{border:2px solid #111;background:#fff;box-shadow:2px 2px 0 #111}
.theme-cycle:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.sm-only{display:none}
html,body{overflow-x:clip}
@media (max-width:600px){
  .top{padding:10px 14px;gap:8px;flex-wrap:nowrap}
  .brand{font-size:18px;white-space:nowrap}
  .top .tr{gap:8px}
  .switcher{display:none}
  .theme-cycle{display:grid}
  .lang-btn{width:44px;height:44px}
  .lang-btn.with-label{height:44px}
  nav{gap:8px}
  .top .nav-extra{display:none}
  .nav-dash{display:inline-flex;align-items:center;min-height:44px;padding:0 4px}
  .lg-only{display:none}.sm-only{display:inline}
  .btn,.btn.small{min-height:44px;display:inline-flex;align-items:center;justify-content:center}
  .btn.small{padding:0 14px}
  .sw{min-width:44px;min-height:44px;justify-content:center}
  main{padding:22px 16px}
  .home-hero{grid-template-columns:1fr;gap:4px}
  .happy.happy-hero{position:absolute;right:12px;top:14px;width:62px;height:82px}
  .home-copy{padding-right:0}
  .hero-mark{font-size:44px;margin-right:70px}
  .home-hero .eyebrow{margin-right:70px}
  .home-hero h1{font-size:26px}
  .callout{font-size:19px}
  .lead{font-size:16px}
  .sec-card{padding:18px}
  .feed-head h1{font-size:26px}
  .post{padding:16px}
  .post-acts .btn{min-width:44px}
  .lang-menu button{min-height:44px}
  .row input,.row .btn{flex:1 1 100%}
  .copybox{flex-wrap:wrap}
}
main.home{position:relative}
@media (max-width:600px){
  .brand{min-height:44px;display:inline-flex;align-items:center}
  button.link{min-height:44px;min-width:44px;padding:0 6px}
  input[type=file]{min-height:44px;padding:8px 0}
  .tag,.pill{font-size:12px}
  .eyebrow,.meta,.post-meta,.hint,.foot{font-size:13px}
}

/* ===== Mockup match: arch cards, section pills, closing callout ===== */
.sec-card.arch{border-radius:4px;padding-top:26px;overflow:hidden}   /* square cards (Dieago); class name kept */
.sec-card.arch::before{margin:0 auto 10px}
.sec-card.arch h2,.sec-card.arch > p.muted{text-align:center}
.sec-card.arch > p.muted{margin:0 auto 6px;max-width:30ch}
.sec-pills{display:flex;flex-wrap:wrap;gap:10px;margin:0 0 22px}
.sec-pill{min-height:44px;padding:0 20px;border-radius:999px;border:1px solid var(--line);background:var(--card);color:var(--text);display:inline-flex;align-items:center;font-weight:600;text-decoration:none;transition:border-color .15s,transform .15s}
.sec-pill:hover{border-color:var(--accent);transform:translateY(-1px)}
.sec-pill:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.closing{text-align:center;margin:56px auto 8px;max-width:680px}
.closing-line{font-size:clamp(20px,2.6vw,28px);font-weight:700;line-height:1.3;margin:0 0 18px;color:var(--text)}
[data-theme="b"] .sec-pill{border:2px solid #111;background:#FFD400;color:#111;box-shadow:3px 3px 0 #111}
[data-theme="b"] .sec-pill:hover{transform:translate(-1px,-1px);box-shadow:4px 4px 0 #111}
[data-theme="c"] .sec-pill{background:rgba(124,92,255,.12);border-color:rgba(124,92,255,.45);color:#e6e9ff;box-shadow:0 0 18px rgba(124,92,255,.18)}
[data-theme="c"] .sec-pill:hover{border-color:#38bdf8;box-shadow:0 0 22px rgba(56,189,248,.3)}
[data-theme="c"] .sec-card.arch{box-shadow:0 0 36px -10px rgba(124,92,255,.35),0 0 0 1px rgba(124,92,255,.12) inset}
[data-theme="c"] .closing-line{background:linear-gradient(90deg,#a78bfa,#38bdf8);-webkit-background-clip:text;background-clip:text;color:transparent}
@media (max-width:600px){
  .sec-card.arch{padding-top:20px}
  .sec-pills{gap:8px}
  .sec-pill{padding:0 16px;flex:1 1 auto;justify-content:center}
  .closing{margin-top:40px}
}
/* admin: birthday (date) */
.by-form{display:flex;align-items:center;gap:6px;margin-top:6px;flex-wrap:wrap}
.by-form label{display:flex;flex-direction:row;align-items:center;gap:8px;margin:0}
.by-form .by-in,.row .by-in{width:10.5em;min-width:0}
.by-form .by-in{padding:6px 8px}
@media (max-width:600px){.by-form .by-in{min-height:44px}}
/* invite sign-up */
.card.signup{max-width:460px}
.signup .hint{display:block;font-size:13px;color:var(--muted);font-weight:400;margin-top:4px;line-height:1.4}
.signup label{font-weight:600}
.signup input[aria-invalid="true"]{border-color:var(--err);box-shadow:0 0 0 3px color-mix(in srgb,var(--err) 18%,transparent)}
.signup input[type=date]{min-height:44px;appearance:none;-webkit-appearance:none}
[data-theme="c"] .signup input[type=date]{color-scheme:dark}
@media (max-width:600px){.card.signup{padding:22px 18px}.signup input{min-height:44px;font-size:16px}}
.row .by-lab{display:flex;flex-direction:row;align-items:center;gap:10px;flex:1 1 260px;margin:0;white-space:nowrap}
.row .by-lab .by-in{flex:1 1 auto;width:auto;min-width:0}
@media (max-width:600px){.row .by-lab{flex:1 1 100%;white-space:normal}}
/* password generator */
.pwgen{margin-top:2px}
.pwgen-row{display:flex;flex-wrap:wrap;gap:8px}
.pwgen-row .btn{min-height:44px;min-width:44px;flex:0 1 auto}
.pwgen-row .pw-gen{flex:1 1 100%}
.pwgen-row .pw-show,.pwgen-row .pw-copy{flex:1 1 0}
.pwgen .hint{display:block;font-size:13px;color:var(--muted);margin:6px 0 0}
.pwgen .pw-status:empty{display:none}
.stack input[name=password][type=text],.stack input[name=password2][type=text]{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;letter-spacing:.04em}
.pwgen [hidden]{display:none!important}

/* ===== site fixes (top10): Happy greeting, How to join, public notice, privacy, 404, 44px taps, EN/粵/普 label ===== */
.hero-happy{position:relative;display:flex;justify-content:center}
.hello-bubble{position:absolute;top:-6px;right:100%;width:max-content;max-width:240px;background:var(--card);color:var(--text);border:1px solid var(--line);border-radius:16px;padding:10px 14px;font-size:15px;line-height:1.4;box-shadow:0 6px 20px rgba(0,0,0,.10);z-index:2}
.hello-bubble[hidden]{display:none}
.hello-bubble a{display:inline-flex;align-items:center;min-height:44px;font-weight:600}
.hello-bubble.pop{animation:hbpop .3s cubic-bezier(.34,1.56,.64,1)}
@keyframes hbpop{from{transform:scale(.85);opacity:0}to{transform:none;opacity:1}}
[data-theme="b"] .hello-bubble{border:2px solid #111;box-shadow:3px 3px 0 #111}
[data-theme="c"] .hello-bubble{background:#141a33;border-color:rgba(124,92,255,.45)}
.happy-intro{color:var(--muted);font-size:15px;margin:-6px 0 18px;max-width:620px}
.join{max-width:620px;margin:22px auto 0;text-align:left}
.join h2{margin:0 0 10px;font-size:22px}
.join .btn{margin:6px 0 4px}
.public-note{border-left:3px solid var(--accent);padding:8px 12px;background:rgba(13,148,136,.07);border-radius:0 10px 10px 0;margin:10px 0 16px;color:var(--text)}
[data-theme="b"] .public-note{border-left:4px solid #111;background:#fff7c2}
[data-theme="c"] .public-note{background:rgba(124,92,255,.10);border-left-color:#7c8cff}
.public-note a,.join a:not(.btn){font-weight:600}
.privacy .prose{max-width:760px;margin:0 auto;line-height:1.6}
.prose h1{margin-top:0}.prose h2{font-size:20px;margin:26px 0 8px}.prose ul{padding-left:22px;margin:8px 0}.prose li{margin:6px 0}.prose li ul{margin:6px 0 8px}
.nf{text-align:center}.nf-code{font-size:56px;font-weight:800;margin:0;color:var(--accent);line-height:1}
/* language button: the current language as EN / 粵 / 普 next to the globe */
.lang-btn:not(.with-label){width:auto;min-width:38px;border-radius:999px;display:inline-flex;align-items:center;gap:4px;padding:0 10px 0 8px}
.lang-short{font-size:13px;font-weight:700;line-height:1}
/* 44px tap targets for text links (crumbs, card links, footer, notes) */
.crumb a,.center-text a,.foot a,.public-note a,.join a:not(.btn),.see-all{display:inline-flex;align-items:center;min-height:44px}
.foot a{padding:0 4px}
.sec-pill{min-height:44px}
@media (max-width:600px){
  .hero-happy{position:static}
  .hello-bubble{top:100px;right:12px;max-width:min(260px,80vw)}
  .lang-btn:not(.with-label){width:auto;min-width:44px;height:44px;padding:0 8px 0 7px}
  .join{padding:20px}
}
@media (prefers-reduced-motion:reduce){.hello-bubble.pop{animation:none}}
.sec-card h2 a.stretch{display:inline-flex;align-items:center;min-height:44px}
.foot a,.public-note a,.join a:not(.btn),.crumb a,.center-text a{min-width:44px;justify-content:center}