/* time.foo visual refresh — presentation only; calculation stays in lean.js. */
:root{--blue:#2851db;--ink:#182638;--muted:#647183;--line:#e5e8ed;--bg:#f8f9fb;--card:#fff}
body{background:var(--bg);color:var(--ink);-webkit-font-smoothing:antialiased}
[hidden]{display:none!important}
.lean-header{max-width:1080px;min-height:92px;gap:8px;padding:20px 32px;border-bottom:1px solid var(--line)}
.brand{gap:6px;margin-right:14px}.brand-wordmark{width:112px}.brand>img:first-child{width:26px;height:26px}
.header-note{font-size:12px;letter-spacing:.01em}.lean-header .nav-link{font-size:13px;padding:9px 12px}
.lean-header select{margin-left:8px;border-color:transparent;background:transparent;font-size:13px;border-radius:8px;max-width:150px}
.lean-main{max-width:1000px;padding:0 32px 30px}.converter-intro{padding:44px 0 24px}
.converter-intro h1{font-size:clamp(27px,4vw,38px);font-weight:650;letter-spacing:-1.2px;line-height:1.3;margin:0 0 10px}
.converter-intro>p{font-size:14px;color:var(--muted);line-height:1.7;margin:0 0 24px}
.search-row{display:flex;flex-wrap:nowrap;gap:8px;background:#fff;border:1px solid #cdd5e1;border-radius:14px;padding:7px;margin:0;box-shadow:0 3px 12px #192e4a04}
.search-row:focus-within{border-color:var(--blue);box-shadow:0 0 0 3px #2851db12}
.search-row input{min-width:0;width:100%;padding:12px 14px;border:0;background:transparent;font-size:16px;box-shadow:none;outline:none;border-radius:8px}
.search-row input::placeholder{color:#8290a2}.search-row input:focus-visible{outline:none}
.btn{border-radius:9px;min-height:40px;font-size:13px;font-weight:550;box-shadow:none;transition:background .15s,border-color .15s}
.search-row .btn{padding:10px 24px;min-height:46px;white-space:nowrap;font-size:14px}
.btn-primary{background:var(--blue);border-color:var(--blue)}
.lean-card{border:1px solid var(--line);border-radius:18px;padding:24px 30px;background:white;box-shadow:0 5px 24px #1c334904;margin-bottom:0;min-width:0}
.clock-toolbar{display:flex;align-items:center;justify-content:space-between;gap:12px}
.clock-toolbar .mode-badge{margin:0;font-size:11px;letter-spacing:.08em;font-weight:600}
.mode-dot{width:6px;height:6px;box-shadow:0 0 0 4px #2580670c}
.clock-toolbar .text-btn{font:inherit;font-size:12px;color:var(--muted);background:#f6f8fb;border:1px solid var(--line);border-radius:7px;padding:7px 12px;cursor:pointer}
.clock-toolbar .text-btn:hover{border-color:#b8c9f6;color:var(--blue)}
.workbench-clock{text-align:center;padding:26px 0 20px}.lean-date{font-size:14px;letter-spacing:.02em;margin:0 0 12px;color:var(--muted)}
.lean-clock{font-size:clamp(48px,8vw,80px);font-weight:400;letter-spacing:-4px;line-height:1.15;margin:0 0 14px;color:#14263e}
.lean-clock .sec{font-size:.62em;color:#8490a0;letter-spacing:-2px}
.lean-zone{font-size:12px;margin:0;color:var(--muted)}.lean-zone strong{font-weight:500;color:#536680}
.lean-relative{font-size:13px;margin:12px 0 0;color:var(--blue);min-height:0}
.lean-relative:empty{display:none}.origin-line{font-size:12px;background:#f7f9fc;padding:10px 12px;border-radius:8px;margin:0 0 12px;word-break:break-word}
.format-copy-hint{font-size:12px;margin:0 0 12px;color:var(--muted)}
.format-list{border:0;overflow:visible;margin:0;display:block;background:transparent}
.primary-formats{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:10px}
.primary-formats .format-row{position:relative;display:grid;grid-template-columns:minmax(0,1fr) auto;gap:10px;padding:15px 17px;border:1px solid var(--line);border-radius:10px;background:#fafbfd;min-width:0;align-items:start}
.primary-formats .format-label{grid-column:1;font-size:11px;font-weight:550;letter-spacing:.015em;color:#6b7b90}
.primary-formats .format-value{grid-column:1 / -1;grid-row:2;font-size:13px;line-height:1.55;color:#233e60;font-variant-numeric:tabular-nums}
.primary-formats .format-hint{grid-column:2;grid-row:1;min-height:16px;min-width:16px}
.format-hint:empty::after{content:'';display:inline-block;width:14px;height:14px;background:currentColor;opacity:.5;mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M8 8h12v13H8zM4 16V3h12' fill='none' stroke='black' stroke-width='1.6' stroke-linejoin='round'/%3E%3C/svg%3E") center/contain no-repeat}
.format-row:hover{background:#f0f4ff;border-color:#b9c9ee}.format-row.copied{background:#edf8f2;border-color:#b9dac8}
/* Every format is visible and directly copyable; grouping never hides rows. */
.extra-formats{margin-top:18px}
.secondary-formats{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 22px;border:0;border-radius:0;overflow:visible}
.secondary-formats .format-group{grid-column:1 / -1;font-size:10px;font-weight:600;letter-spacing:.08em;background:transparent;padding:20px 0 8px;border:0;color:#697a91}
.secondary-formats .format-group:first-child{padding-top:0}
.secondary-formats .format-row{display:grid;grid-template-columns:minmax(0,1fr) 24px;gap:4px 10px;padding:12px 8px;border:0;border-bottom:1px solid var(--line);border-radius:0;min-width:0;background:transparent}
.secondary-formats .format-label{grid-column:1;grid-row:1;font-size:11px;color:var(--muted)}
.secondary-formats .format-value{grid-column:1;grid-row:2;font-size:12px;line-height:1.6;overflow-wrap:anywhere}
.secondary-formats .format-hint{grid-column:2;grid-row:1 / 3;align-self:center;min-width:16px}
.secondary-formats .format-row:hover{background:#f2f6ff;border-radius:6px}
.secondary-formats .format-row.copied{background:#edf8f2}
@media(max-width:640px){.secondary-formats{grid-template-columns:minmax(0,1fr);gap:0}.secondary-formats .format-row{padding:12px 6px}}
.result-actions{margin:10px 0 0;justify-content:flex-end}.result-actions .btn-primary{background:#fff;color:var(--blue);border-color:#cfdaf4}.result-actions .btn-primary:hover{background:#f1f5ff}
.cities-block{border-top:1px solid var(--line);margin-top:26px;padding-top:24px}.cities-block h2{font-size:16px;font-weight:600;margin:0 0 6px;letter-spacing:-.3px}.cities-hint{font-size:12px;line-height:1.7;margin-bottom:14px;color:var(--muted)}
.tz-columns{gap:10px;padding:4px 2px 12px;scrollbar-color:#d0d8e5 transparent}
.tz-col{flex-basis:136px;width:136px;height:270px;max-height:270px;background:#fff;border-radius:10px;box-shadow:none}
.tz-col.is-center{background:#f5f8ff;border-color:#aebfe8;box-shadow:none}.tz-col-head{padding:12px 10px;border-radius:10px 10px 0 0}.tz-col-clock{font-size:21px;font-weight:450;letter-spacing:-.8px}.tz-col-label{font-size:10px}
.tz-col-cities{padding:6px}.tz-city{height:35px;min-height:35px;padding:5px 6px}.tz-city-name{font-size:12px;font-weight:400;color:#496181}.tz-city-copy{opacity:.6}
.lean-footer{max-width:1000px;padding:22px 32px 38px;font-size:11px;gap:10px 20px}.lean-footer a{color:var(--muted)}.lean-footer>span{margin-left:auto;color:#7a8797}
body.is-shared .converter-intro{display:none}.is-shared .lean-card{margin-top:28px}.moment-card{border:0;background:#fff;padding:24px 0}.moment-kicker{color:var(--muted)}.moment-local{color:var(--ink)}
.share-panel{border-radius:16px;padding:24px}.share-modal-backdrop{background:#12223b66}.share-panel input{border-radius:8px;min-height:42px}
.batch-wrap{max-width:1080px;padding-top:34px}.batch-head h1,.city-landing h1{letter-spacing:-.8px;font-weight:600}.batch-col{border-radius:14px;padding:22px}.city-landing{margin-top:32px;padding:30px;border-radius:16px}.city-index-grid a{font-size:13px;background:#fbfcfe;border-radius:8px}
@media(min-width:1050px){.lean-main{padding-top:0}}
@media(max-width:760px){.lean-header{padding:14px 20px;min-height:74px;gap:4px}.header-note{display:none}.brand{margin-right:auto}.lean-header .nav-link{padding:8px;font-size:12px}.lean-header select{max-width:115px;margin-left:0;padding:8px 4px}.lean-main{padding:0 20px 20px}.converter-intro{padding:30px 0 20px}.lean-card{padding:20px}.lean-footer{padding:20px;gap:10px 16px}.lean-footer>span{width:100%;margin:0}.secondary-formats .format-row{grid-template-columns:minmax(0,1fr) 28px;gap:6px}.secondary-formats .format-label{grid-column:1}.secondary-formats .format-value{grid-column:1;grid-row:2}.secondary-formats .format-hint{grid-column:2;grid-row:1 / 3}.workbench-clock{padding:24px 0}.lean-clock{letter-spacing:-3px}}
@media(max-width:520px){.lean-header{gap:2px}.brand{gap:3px}.brand-wordmark{width:97px}.brand>img:first-child{width:22px;height:22px}.lean-header .nav-link{padding:8px 5px;font-size:11px}.lean-header select{font-size:11px;max-width:90px}.lean-main{padding:0 14px 18px}.converter-intro{padding-top:26px}.converter-intro h1{font-size:27px;letter-spacing:-.6px}.converter-intro>p{font-size:13px;margin-bottom:18px}.search-row{padding:5px;gap:3px;border-radius:11px}.search-row input{padding:10px 8px;font-size:14px}.search-row .btn{padding:10px 13px;min-height:42px;font-size:13px}.lean-card{padding:18px 16px;border-radius:14px}.primary-formats{grid-template-columns:1fr;gap:8px}.primary-formats .format-row{padding:12px 14px;gap:5px}.primary-formats .format-value{font-size:13px}.lean-clock{font-size:58px}.lean-zone{font-size:11px;overflow-wrap:anywhere}.tz-col{flex-basis:128px;width:128px;height:252px;max-height:252px}.tz-col-clock{font-size:20px}.tz-city-name{font-size:12px}.cities-block{padding-top:20px}.lean-footer{padding:18px 20px 28px}.share-panel{padding:18px}.moment-local{font-size:32px;overflow-wrap:anywhere}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}
@media(max-width:520px){.lean-header{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:5px 8px;padding:14px 20px 10px}.lean-header .brand{grid-column:1 / 3;grid-row:1;justify-self:start}.lean-header select{grid-column:3;grid-row:1;justify-self:end;max-width:100%;min-width:0}.lean-header .nav-link{grid-row:2;padding:6px 0;white-space:nowrap}.lean-header .nav-link:nth-of-type(2){text-align:left}.lean-header .nav-link:nth-of-type(3){text-align:center}.lean-header .nav-link:nth-of-type(4){text-align:right}}

/* lean18 home FAQ */
.home-faq,#home-faq{margin:36px 0 8px;padding:22px 26px;border:1px solid var(--line,#e4e9f2);border-radius:14px;background:#fff}
.home-faq h2,#home-faq h2{font-size:18px;margin:0 0 14px;font-weight:600;letter-spacing:-.3px;color:var(--ink,#12223b)}
.home-faq details,#home-faq details{background:transparent;border-top:1px solid #e8edf4}
.home-faq details:first-of-type,#home-faq details:first-of-type{border-top:0}
.home-faq summary,#home-faq summary{padding:15px 0;cursor:pointer;line-height:1.55;font-size:14px;font-weight:500;color:var(--ink,#12223b);list-style:none}
.home-faq summary::-webkit-details-marker{display:none}
.home-faq summary::before{content:'';display:inline-block;width:.55em;margin-right:.55em;color:var(--muted,#627086);transform:translateY(-1px)}
.home-faq details[open] summary::before{content:''}
.home-faq summary::before{content:'▸'}
.home-faq details[open] summary::before{content:'▾'}
.home-faq p,#home-faq p{font-size:14px;line-height:1.85;color:var(--muted,#627086);margin:0 0 16px;padding:0 0 2px}
.home-faq>a,#home-faq>a{display:inline-block;margin-top:10px;font-size:13px;color:#526b91;text-decoration:none}
.home-faq>a:hover,#home-faq>a:hover{color:var(--blue,#2851db);text-decoration:underline}
@media(max-width:680px){.home-faq,#home-faq{padding:18px 16px;margin-top:28px}}
header.lean-header #header-language{display:none!important}
header.lean-header select#language{display:inline-block!important;opacity:1!important;position:static!important;width:auto!important;max-width:150px;clip:auto!important;height:auto!important}

/* lean19 featpack */
.home-quote{margin:8px auto 4px;max-width:520px;text-align:center;padding:10px 14px 0}
.home-quote-text{margin:0;font-size:14px;line-height:1.65;color:#4a5d78;font-style:italic;font-weight:400}
.home-quote-author{margin:8px 0 0;font-size:12px;color:var(--muted);font-style:normal}
.prose-page{padding-top:28px;padding-bottom:40px}
.prose-card,.timer-page .analogy-block{background:#fff;border:1px solid var(--line);border-radius:16px;padding:28px 32px;box-shadow:0 4px 20px #1c334906}
.prose-card .eyebrow,.timer-page .eyebrow{font-size:12px;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);margin:0 0 10px}
.prose-card h1,.timer-page>h1{font-size:clamp(26px,4vw,36px);letter-spacing:-.8px;margin:0 0 12px;font-weight:650}
.prose-card .lede,.timer-page .lede{font-size:15px;line-height:1.75;color:var(--muted);margin:0 0 22px}
.prose-card h2{font-size:20px;margin:28px 0 10px;letter-spacing:-.3px}
.prose-card h3{font-size:16px;margin:18px 0 8px}
.prose-card p,.prose-card li{font-size:15px;line-height:1.8;color:#31465f}
.prose-card ul{padding-left:1.2em}
.prose-card code,.code-block{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:13px}
.code-block{display:block;background:#f4f7fb;border:1px solid var(--line);border-radius:10px;padding:14px 16px;overflow:auto;white-space:pre-wrap;margin:10px 0 18px}
.video-block{margin:22px 0}
.video-wrap{position:relative;padding-bottom:56.25%;height:0;overflow:hidden;border-radius:12px;background:#0f1724}
.video-wrap iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.video-credit,.footnote{font-size:12px;color:var(--muted);line-height:1.6}
.timer-card{text-align:center;margin:18px 0 24px}
.timer-mode{display:flex;gap:8px;justify-content:center;margin-bottom:12px}
.timer-display{font-size:clamp(48px,10vw,72px);font-variant-numeric:tabular-nums;letter-spacing:-2px;margin:12px 0;font-weight:450;color:#14263e}
.timer-display.timer-done{color:#1a7f4b}
.timer-status{font-size:13px;color:var(--muted);min-height:1.2em}
.timer-actions{display:flex;gap:8px;justify-content:center;flex-wrap:wrap;margin-top:14px}
.analogy-block{margin:8px 0 20px}
.analogy-block h2{font-size:18px;margin:0 0 10px}
.analogy-block ul{margin:0 0 12px;padding-left:1.2em}
.analogy-block li{margin:0 0 8px;line-height:1.7;color:#31465f;font-size:14px}
.timer-index-list{list-style:none;padding:0;margin:0;display:grid;gap:10px}
.timer-index-list a{display:block;padding:14px 16px;border:1px solid var(--line);border-radius:10px;text-decoration:none;color:inherit;background:#fafbfd}
.timer-index-list a:hover{border-color:#b9c9ee;background:#f0f4ff}
.embed-previews{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:14px;margin:16px 0 24px}
.embed-previews figure{margin:0}
.embed-preview{width:100%;height:120px;border:1px solid var(--line);border-radius:12px;background:#fff}
.embed-previews figcaption{font-size:12px;color:var(--muted);margin-top:6px;text-align:center}
.more-timers{font-size:13px;color:var(--muted)}
@media(max-width:760px){
  .prose-card,.timer-page .analogy-block{padding:20px 18px}
  .lean-header{flex-wrap:wrap}
}
/* 5 nav links on small screens: two rows of links */
@media(max-width:520px){
  .lean-header{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:5px 8px;padding:14px 16px 10px}
  .lean-header .brand{grid-column:1 / 3;grid-row:1;justify-self:start}
  .lean-header select{grid-column:3;grid-row:1;justify-self:end;max-width:100%;min-width:0}
  .lean-header .nav-link{grid-row:auto;padding:6px 0;white-space:nowrap;font-size:11px;text-align:center}
  .lean-header .header-note{display:none}
}

/* lean22 about-time lively tour (20261015c) */
.about-lively{max-width:760px;margin:0 auto;padding-top:8px;padding-bottom:48px}
.about-hero{background:#fff;border:1px solid var(--line,#e4e9f2);border-radius:18px;padding:28px 30px 26px;box-shadow:0 4px 20px #1c334908;margin-bottom:22px}
.about-hero .eyebrow{font-size:12px;letter-spacing:.07em;text-transform:uppercase;color:var(--muted,#627086);margin:0 0 10px}
.about-hero h1{font-size:clamp(28px,4.2vw,38px);letter-spacing:-.9px;margin:0 0 12px;font-weight:650;color:var(--ink,#12223b)}
.about-hook{font-size:16px;line-height:1.7;color:#3a516c;margin:0 0 22px;font-weight:450}
.about-now{display:grid;grid-template-columns:1.2fr 1fr;gap:14px}
.about-now-card{background:#f5f8ff;border:1px solid #d7e1f5;border-radius:14px;padding:14px 16px;min-width:0}
.about-now-label{display:block;font-size:11px;letter-spacing:.04em;text-transform:uppercase;color:var(--muted,#627086);margin-bottom:6px}
.about-now-clock{display:block;font-size:clamp(26px,4vw,34px);font-variant-numeric:tabular-nums;letter-spacing:-1.2px;font-weight:550;color:#14263e;line-height:1.15}
.about-now-unix-val{display:block;font-size:clamp(22px,3.5vw,28px);font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-variant-numeric:tabular-nums;letter-spacing:-.6px;color:#2851db;font-weight:500;line-height:1.2;overflow-wrap:anywhere}
.about-now-zone,.about-now-sub{display:block;font-size:12px;color:var(--muted,#627086);margin-top:6px;line-height:1.4}

.about-section{margin:26px 0}
.about-section>h2{font-size:22px;letter-spacing:-.4px;margin:0 0 8px;font-weight:600;color:var(--ink,#12223b)}
.about-section>.lede-soft{font-size:14px;line-height:1.7;color:var(--muted,#627086);margin:0 0 16px}

.about-timeline{list-style:none;margin:0;padding:0;display:grid;gap:12px;counter-reset:tl}
.about-timeline>li{position:relative;background:#fff;border:1px solid var(--line,#e4e9f2);border-radius:14px;padding:16px 18px 16px 56px;box-shadow:0 2px 10px #1c334905}
.about-timeline>li::before{counter-increment:tl;content:counter(tl);position:absolute;left:16px;top:18px;width:28px;height:28px;border-radius:50%;background:#eaf0ff;color:#2851db;font-size:13px;font-weight:600;display:flex;align-items:center;justify-content:center;line-height:28px;text-align:center}
.tl-era{display:inline-block;font-size:11px;letter-spacing:.05em;text-transform:uppercase;color:#6b7f9c;margin:0 0 4px}
.about-timeline h3{font-size:17px;margin:0 0 6px;letter-spacing:-.2px;color:var(--ink,#12223b);font-weight:600}
.about-timeline p{font-size:14px;line-height:1.7;color:#31465f;margin:0 0 10px}
.tl-try{display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:500;color:#2851db;text-decoration:none}
.tl-try:hover{text-decoration:underline}
.tl-try::after{content:'→';opacity:.7}

.about-fact{margin:18px 0;padding:14px 16px 14px 18px;border-left:3px solid #7aa0f0;background:#f7f9fd;border-radius:0 12px 12px 0;font-size:14px;line-height:1.7;color:#3a516c}
.about-fact strong{color:#14263e;font-weight:600}

.about-demo{background:#fff;border:1px solid var(--line,#e4e9f2);border-radius:16px;padding:22px 22px 20px;margin:22px 0;box-shadow:0 3px 14px #1c334906}
.about-demo h2{font-size:19px;margin:0 0 6px;letter-spacing:-.3px}
.about-demo>p{font-size:14px;line-height:1.7;color:var(--muted,#627086);margin:0 0 16px}

.about-cities{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}
.about-city{background:#f5f8ff;border:1px solid #d7e1f5;border-radius:12px;padding:14px 12px;text-align:center;min-width:0}
.about-city-name{font-size:13px;font-weight:600;color:#14263e;margin:0 0 4px}
.about-city-clock{font-size:clamp(18px,2.8vw,24px);font-variant-numeric:tabular-nums;letter-spacing:-.8px;color:#2851db;font-weight:550;margin:0 0 4px}
.about-city-meta{font-size:11px;color:var(--muted,#627086);line-height:1.35;overflow-wrap:anywhere}

.about-ambi{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.about-ambi-card{background:#fafbfd;border:1px solid var(--line,#e4e9f2);border-radius:12px;padding:14px 14px 12px}
.about-ambi-card.is-warn{background:#fff8f2;border-color:#f0d2b4}
.about-ambi-card.is-ok{background:#f3faf6;border-color:#b9dfc8}
.about-ambi-label{font-size:11px;letter-spacing:.04em;text-transform:uppercase;color:var(--muted,#627086);margin:0 0 8px}
.about-ambi-value{font-size:15px;font-weight:550;color:#14263e;margin:0 0 8px;font-variant-numeric:tabular-nums}
.about-ambi-list{list-style:none;margin:0;padding:0;display:grid;gap:6px}
.about-ambi-list li{font-size:13px;line-height:1.45;color:#31465f;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;overflow-wrap:anywhere}

.about-unix-demo{display:flex;flex-wrap:wrap;gap:10px;align-items:stretch}
.about-unix-panel{flex:1 1 220px;background:#f5f8ff;border:1px solid #d7e1f5;border-radius:12px;padding:14px}
.about-unix-panel .about-now-label{margin-bottom:8px}
.about-unix-val{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:14px;line-height:1.5;color:#14263e;overflow-wrap:anywhere;word-break:break-all;min-height:2.8em}
.about-unix-actions{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px;align-items:center}
.about-btn{appearance:none;border:1px solid #b9c9ee;background:#fff;color:#2851db;border-radius:8px;padding:8px 12px;font-size:13px;font-weight:500;cursor:pointer;line-height:1.2}
.about-btn:hover{background:#eef3ff;border-color:#9db4ea}
.about-btn:focus-visible{outline:2px solid #2851db;outline-offset:2px}
.about-btn.is-active{background:#2851db;color:#fff;border-color:#2851db}
.about-copy-status{font-size:12px;color:#1a7f4b;min-height:1em}

.about-videos{margin:24px 0;background:#fff;border:1px solid var(--line,#e4e9f2);border-radius:14px;padding:4px 18px 8px}
.about-videos>summary{cursor:pointer;padding:14px 0;font-size:15px;font-weight:550;color:var(--ink,#12223b);list-style:none}
.about-videos>summary::-webkit-details-marker{display:none}
.about-videos>summary::before{content:'▸';display:inline-block;width:1em;color:var(--muted,#627086);margin-right:.35em}
.about-videos[open]>summary::before{content:'▾'}
.about-videos .video-intro{font-size:13px;color:var(--muted,#627086);margin:0 0 14px;line-height:1.6}
.about-videos .video-block{margin:0 0 18px}
.about-videos .video-block h3{font-size:15px;margin:0 0 8px}

.about-more{background:#fff;border:1px solid var(--line,#e4e9f2);border-radius:14px;padding:20px 22px;margin:22px 0 8px}
.about-more h2{font-size:18px;margin:0 0 10px}
.about-more ul{margin:0;padding-left:1.15em}
.about-more li{margin:0 0 8px;font-size:14px;line-height:1.6;color:#31465f}
.about-more a{color:#2851db;text-decoration:none}
.about-more a:hover{text-decoration:underline}
.about-lively .footnote{margin-top:18px;font-size:12px;color:var(--muted,#627086);line-height:1.65}

@media(max-width:700px){
  .about-now,.about-cities,.about-ambi{grid-template-columns:1fr}
  .about-hero{padding:22px 18px}
  .about-timeline>li{padding:14px 14px 14px 52px}
  .about-demo{padding:18px 16px}
}
@media(prefers-reduced-motion:reduce){
  .about-now-clock,.about-now-unix-val,.about-city-clock{transition:none}
}

/* lean23 tools+play */
.tool-page .td-controls{display:flex;flex-wrap:wrap;gap:12px;align-items:flex-end;margin:0 0 16px}
.tool-page .td-field{display:flex;flex-direction:column;gap:6px;min-width:min(100%,220px);flex:1}
.tool-page .td-field span{font-size:12px;color:var(--muted,#627086);letter-spacing:.02em}
.tool-page .td-field select,.tool-page .td-field input{appearance:none;border:1px solid var(--line,#e4e9f2);border-radius:10px;padding:10px 12px;font:inherit;background:#fff;color:var(--ink,#12223b);min-height:44px}
.tool-page .td-modes{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 14px}
.tool-page .td-pick-wrap{margin:0 0 16px}
.tool-page .td-clocks{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:0 0 16px}
.tool-page .td-clock-card{background:#f5f8ff;border:1px solid #d7e1f5;border-radius:14px;padding:16px 14px;text-align:center;min-width:0}
.tool-page .td-clock{font-size:clamp(26px,4vw,36px);font-variant-numeric:tabular-nums;letter-spacing:-1px;font-weight:550;color:#2851db;margin:4px 0}
.tool-page .td-meta{font-size:12px;color:var(--muted,#627086);margin:0;line-height:1.4}
.tool-page .td-city-link{margin:0 0 4px;min-height:1.2em}
.tool-page .td-city-link a{color:#2851db;font-weight:600;text-decoration:none;font-size:14px}
.tool-page .td-city-link a:hover{text-decoration:underline}
.tool-page .td-summary{padding:18px 20px}
.tool-page .td-label{font-size:11px;letter-spacing:.05em;text-transform:uppercase;color:var(--muted,#627086);margin:10px 0 4px}
.tool-page .td-label:first-child{margin-top:0}
.tool-page .td-diff,.tool-page .td-when{font-size:16px;line-height:1.55;color:#14263e;margin:0 0 6px;font-weight:500}
.tool-page .more-tools{margin-top:22px;font-size:14px;color:#31465f}
.tool-page .more-tools a{color:#2851db;text-decoration:none}
.tool-page .more-tools a:hover{text-decoration:underline}
.lived-form{display:flex;flex-wrap:wrap;gap:12px;margin:0 0 16px}
.lived-out{margin:18px 0;text-align:center}
.lived-seconds-label{font-size:12px;letter-spacing:.05em;text-transform:uppercase;color:var(--muted,#627086);margin:0 0 6px}
.lived-seconds{font-size:clamp(36px,7vw,56px);font-variant-numeric:tabular-nums;letter-spacing:-1.5px;font-weight:600;color:#2851db;margin:0 0 18px;line-height:1.1}
.lived-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px}
.lived-stat{background:#f5f8ff;border:1px solid #d7e1f5;border-radius:12px;padding:12px 8px}
.lived-stat-label{display:block;font-size:11px;color:var(--muted,#627086);margin-bottom:4px}
.lived-stat-val{font-size:18px;font-weight:600;font-variant-numeric:tabular-nums;color:#14263e}
.lived-privacy{margin-top:18px}
.play-cards{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin:18px 0}
.play-card{display:block;background:#fff;border:1px solid var(--line,#e4e9f2);border-radius:16px;padding:22px 20px;text-decoration:none;color:inherit;box-shadow:0 3px 14px #1c334906;transition:border-color .15s,box-shadow .15s}
.play-card:hover{border-color:#9db4ea;box-shadow:0 6px 20px #1c334910}
.play-card h2{margin:0 0 8px;font-size:18px;color:#14263e}
.play-card p{margin:0 0 14px;font-size:14px;line-height:1.6;color:#31465f}
.play-cta{font-size:13px;font-weight:600;color:#2851db}
.reaction-area{display:flex;align-items:center;justify-content:center;width:100%;min-height:220px;border:none;border-radius:18px;padding:24px;font:inherit;font-size:18px;font-weight:550;cursor:pointer;touch-action:manipulation;user-select:none;-webkit-user-select:none;margin:12px 0 16px;color:#14263e}
.reaction-area.is-idle{background:#eef3ff;color:#31465f}
.reaction-area.is-wait{background:#f3b23a;color:#3a2a00}
.reaction-area.is-go{background:#2fbb6c;color:#06351a}
.reaction-area.is-early{background:#f0d2b4;color:#5a2e10}
.reaction-stats{display:flex;flex-wrap:wrap;gap:18px;font-size:14px;color:#31465f;margin:0 0 8px}
.reaction-result,.estimate-result{font-size:16px;font-weight:550;color:#14263e;margin:0 0 12px;text-align:center}
.estimate-card{text-align:center;padding:28px 22px}
.estimate-display{font-size:clamp(40px,8vw,64px);font-variant-numeric:tabular-nums;letter-spacing:-1.5px;font-weight:600;color:#2851db;margin:0 0 10px;line-height:1.1;min-height:1.2em}
.estimate-status{font-size:14px;color:var(--muted,#627086);margin:0 0 16px;min-height:1.4em}
.play-page .timer-actions{display:flex;justify-content:center;gap:10px}
.play-page .btn{min-height:44px;min-width:120px;padding:10px 18px}
@media(max-width:700px){
  .tool-page .td-clocks,.play-cards,.lived-grid{grid-template-columns:1fr 1fr}
  .tool-page .td-controls{flex-direction:column;align-items:stretch}
  .lived-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:420px){
  .play-cards{grid-template-columns:1fr}
}
@media(prefers-reduced-motion:reduce){
  .play-card{transition:none}
}

/* lean24 play expand */
.play-cards-5{grid-template-columns:repeat(auto-fill,minmax(220px,1fr))}
.reaction-area{min-height:260px;font-size:clamp(18px,2.6vw,22px);border:2px solid transparent;transition:background .12s,color .12s,border-color .12s,transform .08s}
.reaction-area.is-idle{background:#eef3ff;color:#31465f;border-color:#d7e1f5}
.reaction-area.is-wait{background:#f3b23a;color:#3a2a00;border-color:#d4921a}
.reaction-area.is-go{background:#2fbb6c;color:#06351a;border-color:#1e8f4e;transform:scale(1.01)}
.reaction-area.is-early{background:#e8a07a;color:#4a2208;border-color:#c56a3a}
.reaction-area.is-result{background:#e8eefc;color:#14263e;border-color:#9db4ea}
.play-history{font-size:13px;color:#31465f;margin:0 0 10px;line-height:1.5}
.play-hint{font-size:13px;color:var(--muted,#627086);margin:10px 0 0}
.estimate-display.is-pulsing{animation:estPulse 1.2s ease-in-out infinite;color:#2851db}
.estimate-card.is-running .estimate-display,.play-page.is-running .estimate-display{letter-spacing:.12em}
@keyframes estPulse{0%,100%{opacity:.45;transform:scale(1)}50%{opacity:1;transform:scale(1.04)}}
.estimate-band{display:inline-block;margin:0 0 12px;padding:4px 12px;border-radius:999px;font-size:13px;font-weight:600}
.estimate-band.is-close{background:#d9f5e5;color:#0d5c32}
.estimate-band.is-early{background:#fff0d6;color:#7a4a00}
.estimate-band.is-late{background:#e8eefc;color:#2851db}
.tzquiz-prompt{font-size:clamp(18px,2.8vw,22px);font-weight:550;color:#14263e;margin:12px 0 8px;line-height:1.45;text-align:center}
.tzquiz-choices{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:14px 0}
.tzquiz-choice,.readclock-choice{min-height:52px;font-size:18px;font-variant-numeric:tabular-nums;font-weight:600}
.tzquiz-choice.is-correct,.readclock-choice.is-correct{background:#d9f5e5;border-color:#2fbb6c;color:#0d5c32}
.tzquiz-choice.is-wrong,.readclock-choice.is-wrong{background:#fde8e0;border-color:#e07a4f;color:#6a2a10}
.tzquiz-explain{background:#f5f8ff;border:1px solid #d7e1f5;border-radius:12px;padding:14px 16px;font-size:15px;line-height:1.55;color:#14263e;margin:8px 0 14px}
.beat-controls{display:flex;flex-wrap:wrap;gap:14px;align-items:flex-end;margin:0 0 14px}
.beat-mute{font-size:14px;color:#31465f;display:flex;align-items:center;gap:8px;min-height:44px}
.beatsync-pad{display:flex;align-items:center;justify-content:center;width:100%;min-height:240px;border:2px solid #d7e1f5;border-radius:20px;background:#eef3ff;color:#31465f;font:inherit;font-size:18px;font-weight:550;cursor:pointer;touch-action:manipulation;user-select:none;margin:10px 0 14px;transition:background .08s,border-color .08s,transform .06s}
.beatsync-pad.is-flash{background:#2fbb6c;border-color:#1e8f4e;color:#06351a}
.beatsync-pad.is-tap{transform:scale(.985)}
.play-page.is-running .beatsync-pad{border-color:#9db4ea}
.readclock-wrap{display:flex;justify-content:center;margin:12px 0 18px}
.readclock-face{filter:drop-shadow(0 4px 12px #1c334910)}
@media(max-width:520px){
  .tzquiz-choices{grid-template-columns:1fr}
}
@media(prefers-reduced-motion:reduce){
  .estimate-display.is-pulsing{animation:none;opacity:.85}
  .reaction-area,.beatsync-pad{transition:none}
}

/* lean29 remove prototypes */
.play-cards-6{grid-template-columns:repeat(auto-fill,minmax(220px,1fr))}
.play-card-featured{border-color:#9db4ea;background:linear-gradient(160deg,#eef3ff 0%,#f7f9fc 55%,#fff8ef 100%);box-shadow:0 8px 24px #2851db14;position:relative}
.play-badge{display:inline-block;margin:0 0 8px;padding:3px 10px;border-radius:999px;font-size:11px;font-weight:700;letter-spacing:.04em;text-transform:uppercase;background:#2851db;color:#fff}
@media(max-width:640px){
  .play-card-featured{grid-column:1/-1}
}

/* lean30 time-sense clock-city narrative */
h2.event-title-h{font-size:30px;line-height:1.5;letter-spacing:-.8px;font-weight:600;margin:8px 0 24px;overflow-wrap:anywhere}
@media (max-width:680px){h2.event-title-h{font-size:26px}}