/* Thumbnail Preview Lab: one stylesheet for every page. Tokens follow the S-010 editorial style (light and dark). */
:root{
  --paper:#F7F7F5; --surface:#FFFFFF; --ink:#0A0A0A; --ink-2:#44443F; --mute:#6B6B66;
  --line:#E3E3DF; --accent:#1F3FBF; --on-accent:#FFFFFF; --warn:#B45309; --good:#15803D;
  --r:8px; --r-pill:999px;
  --font:"Avenir Next","Segoe UI Variable Text","Segoe UI",system-ui,-apple-system,sans-serif;
  color-scheme:light;
}
@media (prefers-color-scheme:dark){
  :root{--paper:#121211;--surface:#1A1A19;--ink:#ECECE8;--ink-2:#C2C2BC;--mute:#9A9A93;--line:#2C2C2A;--accent:#8FA7FF;--on-accent:#121211;--warn:#F0A24C;--good:#5BD07A;color-scheme:dark}
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--ink);font:400 15px/1.6 var(--font)}
a{color:var(--accent);text-underline-offset:2px}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.num{font-variant-numeric:tabular-nums}
.wrap{max-width:720px;margin:0 auto;padding:0 24px}
[hidden]{display:none!important}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
svg.i{width:16px;height:16px;flex:none;fill:none;stroke:currentColor;stroke-width:1.75;stroke-linecap:round;stroke-linejoin:round}

/* Header */
.top{display:flex;align-items:center;gap:20px;min-height:56px;max-width:1180px;margin:0 auto;padding:0 24px}
.brand{font-weight:600;color:var(--ink);text-decoration:none;font-size:15px}
.nav{display:flex;gap:4px 20px;margin-left:auto;flex-wrap:wrap}
.nav a{color:var(--ink-2);text-decoration:none;font-size:14px;display:inline-flex;align-items:center;min-height:44px}
.nav a:hover,.nav a[aria-current="page"]{color:var(--accent)}
.nav a:hover{text-decoration:underline}

/* First screen */
.hero{max-width:720px;margin:0 auto;padding:8px 24px 0;text-align:center}
h1{font-size:28px;line-height:1.25;font-weight:600;margin:0 0 8px;letter-spacing:-.01em;color:var(--ink)}
.sub{color:var(--ink-2);margin:0 auto;max-width:600px;font-size:15px}
.hero-links{display:flex;justify-content:center;flex-wrap:wrap;gap:0 16px;margin-top:4px}

/* Buttons: primary (one per block), secondary, text */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;min-height:44px;padding:0 16px;border-radius:var(--r);font:inherit;font-size:15px;font-weight:600;cursor:pointer;border:1px solid transparent;text-decoration:none}
.btn-primary{background:var(--accent);color:var(--on-accent)}
.btn-primary:disabled{opacity:.45;cursor:not-allowed}
.btn-secondary{background:var(--surface);color:var(--ink);border-color:var(--line);font-weight:500}
.btn-secondary:hover{border-color:var(--ink-2)}
.btn-text{background:none;border:0;font:inherit;cursor:pointer;color:var(--accent);padding:0 8px;font-weight:500;min-height:40px}
.btn-text:hover{text-decoration:underline}
a.btn-text{min-height:44px}

/* Card: the only container style on the site */
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:16px;min-width:0}
.card-title{font-size:16px;line-height:1.4;font-weight:600;margin:0 0 12px;color:var(--ink)}

/* Tool layout */
.tool{max-width:1180px;margin:16px auto 0;padding:0 24px}
.tool-grid{display:grid;grid-template-columns:360px minmax(0,1fr);gap:24px;align-items:start}
.col-in,.col-out{display:flex;flex-direction:column;gap:16px;min-width:0}
.o-up{order:10}.o-fields{order:20}.o-bar{order:30}.o-stage{order:40}.o-act{order:50}.o-specs{order:60}
.tool[data-page="checker"] .o-specs{order:15}
.tool[data-page="title"] .o-fields{order:5}
@media (max-width:1023px){
  .tool-grid{grid-template-columns:minmax(0,1fr)}
  .col-in,.col-out{display:contents}
}

/* Upload */
.drop{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;width:100%;min-height:112px;padding:16px;border:1px dashed var(--ink-2);border-radius:var(--r);background:var(--paper);color:var(--ink);font:inherit;cursor:pointer;text-align:center}
.drop:hover,.drop.over{border-color:var(--accent);border-style:solid}
.drop strong{display:inline-flex;align-items:center;gap:6px;font-size:16px}
.drop span{font-size:14px;color:var(--ink-2)}
.hint{font-size:12px;line-height:1.5;color:var(--mute);margin:8px 0 0}
.err{color:var(--warn);font-size:14px;margin:8px 0 0}
.slots{list-style:none;margin:12px 0 0;padding:0}
.slots li{display:flex;align-items:center;gap:8px;margin:0;padding:6px 0;border-top:1px solid var(--line);min-width:0}
.slots .lt{flex:none;width:24px;height:24px;border:1px solid var(--line);border-radius:var(--r);display:grid;place-items:center;font-size:12px;font-weight:600;color:var(--ink)}
.slots .nm{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:14px;color:var(--ink)}
.slots .dm{flex:none;font-size:12px;color:var(--mute)}
.slots .btn-text{min-height:44px}
.clear-row{display:flex;justify-content:flex-end}

/* Fields */
.field{display:block;margin:0 0 12px}
.field:last-child{margin-bottom:0}
.field label{display:block;font-size:14px;font-weight:600;color:var(--ink);margin-bottom:4px}
.field input{width:100%;height:44px;padding:0 12px;border:1px solid var(--line);border-radius:var(--r);background:var(--surface);color:var(--ink);font:inherit;font-size:16px}
.field input::placeholder{color:var(--mute)}
.field .hint{margin-top:4px}

/* Toolbar */
.bar{display:flex;flex-wrap:wrap;gap:8px 16px;align-items:center;justify-content:space-between}
.tabs{display:flex;gap:4px;overflow-x:auto;max-width:100%;-webkit-overflow-scrolling:touch}
.tab{flex:none;min-height:44px;padding:0 14px;border:1px solid var(--line);border-radius:var(--r);background:var(--surface);color:var(--ink);font:500 14px var(--font);cursor:pointer}
.tab[aria-selected="true"]{border:2px solid var(--accent);color:var(--accent);font-weight:600;padding:0 13px}
.opts{display:flex;flex-wrap:wrap;gap:8px 16px;align-items:center}
.seg{display:inline-flex;gap:4px}
.seg button{min-height:44px;min-width:56px;padding:0 12px;border:1px solid var(--line);border-radius:var(--r);background:var(--surface);color:var(--ink);font:500 14px var(--font);cursor:pointer}
.seg button[aria-pressed="true"]{border:2px solid var(--accent);color:var(--accent);font-weight:600;padding:0 11px}
.sw{display:inline-flex;align-items:center;gap:8px;min-height:44px;background:none;border:0;padding:0;color:var(--ink);font:500 14px var(--font);cursor:pointer}
.sw i{position:relative;flex:none;width:44px;height:26px;border-radius:var(--r-pill);border:1px solid var(--line);background:var(--line)}
.sw i::after{content:"";position:absolute;top:2px;left:2px;width:20px;height:20px;border-radius:50%;background:var(--surface);transition:transform .15s}
.sw[aria-checked="true"] i{background:var(--accent);border-color:var(--accent)}
.sw[aria-checked="true"] i::after{transform:translateX(18px)}

/* Preview stage: neutral colors of its own, independent of the page theme */
.stage{--pv-bg:#FFFFFF;--pv-ink:#0F0F0F;--pv-mute:#606060;--pv-chip:#F2F2F2;--pv-line:#E5E5E5;--pv-ghost:#E8E8E8;
  background:var(--pv-bg);color:var(--pv-ink);border:1px solid var(--line);border-radius:var(--r);padding:16px;min-width:0;container-type:inline-size;min-height:260px}
.stage[data-pv="dark"]{--pv-bg:#0F0F0F;--pv-ink:#F1F1F1;--pv-mute:#AAAAAA;--pv-chip:#272727;--pv-line:#303030;--pv-ghost:#272727}
.v{min-width:0;border-radius:var(--r);color:var(--pv-ink)}
.v[role="button"]{cursor:pointer}
.v[aria-pressed="true"]{outline:2px solid var(--accent);outline-offset:3px}
.th{position:relative;aspect-ratio:16/9;overflow:hidden;border-radius:var(--r);background:var(--pv-ghost)}
.th img{display:block;width:100%;height:100%;object-fit:cover}
.dur{position:absolute;right:4px;bottom:4px;background:rgba(0,0,0,.82);color:#fff;font:600 12px/1 var(--font);padding:3px 4px;border-radius:4px;font-variant-numeric:tabular-nums}
.zone{position:absolute;right:0;bottom:0;width:24%;height:18%;background:rgba(143,167,255,.55);border:1px dashed #fff;display:none}
.stage.zone-on .zone{display:block}
.tag{position:absolute;left:4px;top:4px;background:rgba(0,0,0,.82);color:#fff;font:600 12px/1 var(--font);padding:4px 6px;border-radius:4px}
.meta{display:flex;gap:12px;margin-top:12px;min-width:0}
.av{flex:none;width:36px;height:36px;border-radius:50%;background:var(--pv-chip);color:var(--pv-mute);display:grid;place-items:center;font-weight:600;font-size:14px}
.av.sm{width:24px;height:24px;font-size:12px}
.tx{min-width:0;flex:1}
.t{font-size:14px;line-height:1.4;font-weight:600;color:var(--pv-ink);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;overflow-wrap:anywhere}
.ch,.vw{font-size:12px;line-height:1.5;color:var(--pv-mute);margin-top:2px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.chrow{display:flex;align-items:center;gap:8px;margin-top:8px;min-width:0}
.chrow .ch{margin:0}
.gl{height:10px;border-radius:4px;background:var(--pv-ghost);margin-top:8px}
.gl.s{width:60%}
.ghost .t,.ghost .av{background:var(--pv-ghost);color:transparent}

.scene-home{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px 16px}
.scene-search .v{display:grid;grid-template-columns:minmax(0,min(360px,45%)) minmax(0,1fr);gap:16px;margin-bottom:16px}
.scene-search .meta{display:block;margin-top:0}
.scene-search .t{font-size:18px;font-weight:400}
.scene-sidebar .v{display:grid;grid-template-columns:168px minmax(0,1fr);gap:8px;margin-bottom:12px;max-width:420px}
.scene-sidebar .meta{display:block;margin-top:0}
.scene-mobile .frame{max-width:390px;margin:0 auto;border:1px solid var(--pv-line);border-radius:var(--r);overflow:hidden;padding-bottom:4px}
.scene-mobile .v{margin-bottom:12px}
.scene-mobile .th{border-radius:0}
.scene-mobile .meta{padding:0 12px}
.scene-small{display:flex;flex-wrap:wrap;gap:16px}
.scene-small .v{width:168px}
.scene-small .meta{margin-top:8px}
.scene-small .t{font-size:12px;line-height:1.4}
.scene-small .th{width:168px}
@container (max-width:639px){
  .scene-home{grid-template-columns:minmax(0,1fr)}
  .scene-home .ghost{display:none}
}
@container (max-width:479px){
  .scene-search .v{grid-template-columns:minmax(0,45%) minmax(0,1fr);gap:12px}
  .scene-search .t{font-size:14px;font-weight:600}
  .scene-search .gl{display:none}
}

/* Actions and door */
.act{display:flex;flex-wrap:wrap;gap:8px 12px;align-items:center;justify-content:space-between}
.act .btn-primary{min-width:220px}
.door-note{margin-top:12px;font-size:14px;color:var(--ink-2)}
.door-note p{margin:0}

/* Spec check */
.specs summary{display:flex;justify-content:space-between;align-items:center;gap:12px;min-height:44px;cursor:pointer;font-weight:600;color:var(--ink);list-style:none}
.specs summary::-webkit-details-marker{display:none}
.specs summary svg{transition:transform .15s}
.specs[open] summary svg{transform:rotate(180deg)}
.specs summary .sum{font-size:13px;font-weight:400;color:var(--mute);margin-left:auto}
.rows{list-style:none;margin:8px 0 0;padding:0}
.rows li{display:grid;grid-template-columns:76px minmax(0,1fr);gap:4px 12px;margin:0;padding:12px 0;border-top:1px solid var(--line)}
.st{display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:600;color:var(--ink)}
.st.pass{color:var(--good)}
.st.check{color:var(--warn)}
.st.fix{color:var(--warn)}
.rk{font-size:14px;color:var(--ink);font-weight:600}
.rk span{font-weight:400;color:var(--ink-2);margin-left:8px;font-variant-numeric:tabular-nums}
.nx{grid-column:2;font-size:13px;color:var(--ink-2);margin:0}
.specs .hint a{color:var(--ink-2)}

/* Body sections: h2 + 1px top line + 40px, no boxes */
.crumbs{font-size:13px;color:var(--mute);margin-top:48px}
.crumbs a{color:var(--ink-2)}
main section{border-top:1px solid var(--line);margin-top:40px;padding-top:40px}
main > section:first-of-type{margin-top:56px}
.crumbs + section{margin-top:12px}
h2{font-size:22px;line-height:1.3;font-weight:600;margin:0 0 12px;color:var(--ink)}
h3{font-size:16px;line-height:1.4;font-weight:600;color:var(--ink);margin:20px 0 6px}
p,li{color:var(--ink-2)}
main p{margin:0 0 12px}
ol,ul{padding-left:20px}
li{margin:4px 0}
strong{color:var(--ink);font-weight:600}
code{font-size:.92em}
.src{font-size:12px;color:var(--mute)}
.table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch}
table{border-collapse:collapse;width:100%;font-size:14px;min-width:480px}
th,td{text-align:left;vertical-align:top;padding:10px 12px 10px 0;border-top:1px solid var(--line);color:var(--ink-2)}
th{color:var(--ink);font-weight:600}
thead th{border-top:0;font-size:13px}
details.faq{border-top:1px solid var(--line)}
details.faq:last-of-type{border-bottom:1px solid var(--line)}
details.faq summary{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:14px 0;cursor:pointer;font-weight:600;list-style:none;color:var(--ink)}
details.faq summary::-webkit-details-marker{display:none}
details.faq summary svg{transition:transform .15s}
details.faq[open] summary svg{transform:rotate(180deg)}
details.faq p{margin:0 0 14px}

/* Legal pages and 404 */
.legal{padding-top:24px}
.legal h1{margin-top:16px}
.legal h2{font-size:20px;margin-top:32px}
.legal table{min-width:480px}
.notfound{text-align:center;padding-top:64px}
.notfound .btn-primary{margin-top:16px}

footer{border-top:1px solid var(--line);margin-top:56px;padding:32px 0 48px;font-size:13px;color:var(--mute)}
footer p{color:var(--mute);margin:8px 0}
footer nav{display:flex;flex-wrap:wrap;gap:0 16px;margin:4px 0}
footer nav strong{color:var(--ink);display:inline-flex;align-items:center;min-height:44px}
footer nav a,footer button{display:inline-flex;align-items:center;min-height:44px}
footer a{color:var(--ink-2)}
footer button{font:inherit;color:var(--ink-2);background:none;border:0;padding:0;text-decoration:underline;text-underline-offset:2px;cursor:pointer}

/* Cookie banner */
.consent{position:fixed;left:0;right:0;bottom:0;background:var(--surface);border-top:1px solid var(--line);padding:12px 16px;z-index:10}
.consent-in{max-width:720px;margin:0 auto;display:flex;align-items:center;gap:12px;flex-wrap:wrap;font-size:13px;color:var(--ink-2)}
.consent-in p{margin:0;flex:1 1 280px;color:var(--ink-2)}
.consent .btn{min-height:44px;min-width:96px}
body.has-consent{padding-bottom:var(--consent-h,88px)}

@media (max-width:640px){
  .top{padding:4px 16px;gap:0 12px;flex-wrap:wrap}
  .brand{flex-basis:100%;padding-top:10px}
  .nav{margin-left:0;gap:0 16px;flex-wrap:nowrap;overflow-x:auto}
  .nav a{white-space:nowrap}
  .hero{padding:4px 16px 0}
  h1{font-size:22px}
  .sub{font-size:14px;line-height:1.5}
  .tool{padding:0 16px}
  .wrap{padding:0 16px}
  h2{font-size:20px}
  .act .btn-primary{width:100%}
  .consent{padding:8px 16px calc(8px + env(safe-area-inset-bottom, 0px))}
  .consent-in{gap:6px 8px;font-size:12px;line-height:1.4}
  .consent .btn{flex:1;min-width:0}
  .consent-in p{flex-basis:100%}
}
@media (prefers-reduced-motion:reduce){
  .sw i::after,.specs summary svg,details.faq summary svg{transition:none}
}