/* YoutubeTools.Live design system v3 — "Creator Studio Timeline"
   Light on paint: no blur filters, no webfonts, compositor-only motion. */
:root{color-scheme:dark;--bg:#0c0b14;--bg2:#12101d;--panel:#171526;--panel2:#201d35;--line:#2f2b47;--text:#f4f1ff;--muted:#aaa4c4;--accent:#b794ff;--lime:#d4f870;--rec:#ff5d73;--on-lime:#14190a;--btn:#d4f870;--btn-ink:#18210a;--btn-edge:#8fb52e;--ink-r:#0c0b14;--shadow:0 22px 50px -28px #000;--ease:cubic-bezier(.22,1,.36,1);--mono:ui-monospace,"SF Mono",SFMono-Regular,Menlo,Consolas,"Liberation Mono",monospace;font:16px/1.6 system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;scroll-behavior:smooth;scrollbar-color:var(--line) transparent}
:root[data-theme=light]{color-scheme:light;--on-lime:#fff;--bg:#f6f4fb;--bg2:#ece8f7;--panel:#fff;--panel2:#f1edfa;--line:#d8d0ea;--text:#1a1430;--muted:#51486b;--accent:#5a2fb3;--lime:#3d6410;--rec:#d6264a;--shadow:0 22px 44px -30px #3a2a6a66}
*{box-sizing:border-box}
::selection{background:var(--lime);color:#14190a}
body{margin:0;color:var(--text);background:radial-gradient(60rem 28rem at 78% -6rem,color-mix(in srgb,var(--accent) 22%,transparent),transparent 70%),radial-gradient(circle at 1px 1px,color-mix(in srgb,var(--muted) 20%,transparent) 1px,transparent 1.4px) 0 0/26px 26px,var(--bg);background-attachment:scroll}
[id]{scroll-margin-top:104px}
a{color:var(--accent);text-underline-offset:3px}a:hover{color:var(--lime)}
header,main,footer{width:min(1120px,calc(100% - 36px));margin:auto}
@media(min-width:1360px){main,footer{max-width:1040px}}

/* ---------- Header with timeline ruler + playhead ---------- */
header{position:sticky;top:0;z-index:30;display:flex;align-items:center;justify-content:space-between;gap:16px;width:100%;max-width:none;min-height:74px;padding:0 max(18px,calc((100% - 1120px)/2)) 12px;background:var(--bg);border-bottom:1px solid var(--line)}
@media(min-width:1360px){header{padding-inline:calc((100% - 1040px)/2)}}
header::after{content:"";position:absolute;left:0;right:0;bottom:0;height:10px;pointer-events:none;opacity:.7;background:repeating-linear-gradient(90deg,var(--muted) 0 1px,transparent 1px 8px) 0 100%/100% 4px no-repeat,repeating-linear-gradient(90deg,var(--muted) 0 1px,transparent 1px 40px) 0 100%/100% 10px no-repeat}
.brand,nav a{color:var(--text);text-decoration:none;font-weight:700}
.brand{display:flex;align-items:center;font-size:1.04rem;letter-spacing:-.02em}
.brand span{color:var(--lime)}
.brand-mark{display:block;flex:none;width:34px;height:34px;margin-right:10px;transition:transform .5s var(--ease)}
.brand:hover .brand-mark{transform:rotate(-8deg) scale(1.1)}
header nav{display:flex;gap:4px;margin-left:auto}
header nav a{padding:6px 14px;border-radius:99px;font-size:.95rem;transition:background .25s,color .25s}
header nav a:hover{background:var(--panel2);color:var(--text)}
header nav a[aria-current=page]{background:var(--lime);color:#14190a}
:root[data-theme=light] header nav a[aria-current=page]{background:var(--text);color:var(--bg)}
:root[data-theme=light] .editorial-card::before{background:var(--text);color:var(--bg)}
.theme-switch{padding:7px 12px;font-size:.85rem;min-height:38px;white-space:nowrap}
.theme-switch[hidden]{display:none}
.playhead{position:absolute;left:calc(18px + (100% - 36px) * var(--p,0));bottom:0;width:0;height:100%;pointer-events:none}
.playhead i{position:absolute;bottom:0;left:-1px;width:2px;height:22px;background:var(--lime);box-shadow:0 0 0 1px color-mix(in srgb,var(--lime) 25%,transparent)}
.playhead i::before{content:"";position:absolute;left:-4px;top:-2px;border:5px solid transparent;border-top:7px solid var(--lime);border-bottom:0}
.playhead b{position:absolute;top:calc(100% + 6px);left:0;transform:translateX(-50%);padding:1px 7px;border-radius:6px;background:var(--lime);color:#14190a;font:700 .68rem/1.5 var(--mono);letter-spacing:.04em;opacity:0;transition:opacity .3s}
header.live .playhead b{opacity:1}
.skip{position:absolute;left:-9999px}.skip:focus{left:18px;top:10px;z-index:60;background:var(--bg);padding:10px}

/* ---------- Type ---------- */
main{padding:46px 0 70px;min-height:65vh}
h1,h2,h3{line-height:1.06;letter-spacing:-.04em;font-weight:800}
h1{position:relative;font-size:clamp(2.5rem,6.6vw,4.9rem);max-width:13ch;margin:16px 0 28px;padding-bottom:22px}
h1::after{content:"";position:absolute;left:0;bottom:0;width:84px;height:7px;border-radius:7px;background:linear-gradient(90deg,var(--lime) 0 70%,var(--rec) 70%)}
h2{font-size:clamp(1.55rem,3.6vw,2.2rem)}
p{max-width:69ch}p,li{color:var(--muted)}
.eyebrow{display:inline-flex;align-items:center;gap:9px;padding:4px 12px 4px 10px;border:1px solid var(--line);border-radius:8px;background:var(--panel);font:700 .72rem/1.6 var(--mono);letter-spacing:.12em;text-transform:uppercase;color:var(--lime)}
.eyebrow::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--rec);animation:rec 1.6s steps(2,jump-none) infinite}
@keyframes rec{50%{opacity:.15}}
.intro{font-size:1.14rem;margin-bottom:28px}
main>section{margin-top:56px}

/* ---------- Window-style panels ---------- */
.panel,.card,details{background:var(--panel);border:1px solid var(--line);border-radius:18px;padding:clamp(16px,4vw,30px)}
.panel{position:relative;max-width:840px;padding-top:clamp(44px,6vw,54px);box-shadow:var(--shadow)}
.panel::before{content:"";position:absolute;left:20px;top:17px;width:10px;height:10px;border-radius:50%;background:var(--rec);box-shadow:18px 0 var(--lime),36px 0 var(--accent)}
.panel::after{content:"";position:absolute;inset:9px;pointer-events:none;opacity:.55;background:
 linear-gradient(var(--lime),var(--lime)) 100% 0/18px 2px,linear-gradient(var(--lime),var(--lime)) 100% 0/2px 18px,
 linear-gradient(var(--lime),var(--lime)) 0 100%/18px 2px,linear-gradient(var(--lime),var(--lime)) 0 100%/2px 18px,
 linear-gradient(var(--lime),var(--lime)) 100% 100%/18px 2px,linear-gradient(var(--lime),var(--lime)) 100% 100%/2px 18px;background-repeat:no-repeat}
.panel:focus-within{border-color:color-mix(in srgb,var(--lime) 55%,var(--line))}
label{display:block;font-weight:700;font-size:.92rem;margin-bottom:16px}
input:not([type=checkbox]),textarea,select{width:100%;min-height:48px;background:var(--bg);color:var(--text);border:1.5px solid var(--line);border-radius:10px;font:inherit;padding:10px 13px;margin-top:7px;caret-color:var(--lime);transition:border-color .2s,box-shadow .2s}
textarea{min-height:128px;resize:vertical}
input:not([type=checkbox]):focus,textarea:focus,select:focus{outline:none;border-color:var(--lime);box-shadow:0 0 0 4px color-mix(in srgb,var(--lime) 20%,transparent)}
select{appearance:none;-webkit-appearance:none;padding-right:40px;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='9' fill='none' stroke='%238f89a8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m1 1 6 6 6-6'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 15px center}
:focus-visible{outline:3px solid var(--accent);outline-offset:3px}

/* ---------- Buttons (tactile) ---------- */
button,.button{font:inherit;font-weight:800;display:inline-block;border:2px solid var(--btn-edge);border-radius:11px;padding:10px 17px;background:var(--btn);color:var(--btn-ink);text-decoration:none;cursor:pointer;box-shadow:0 4px 0 var(--btn-edge);transition:transform .15s,box-shadow .15s,background .2s}
button:hover,.button:hover{color:var(--btn-ink);transform:translateY(-2px);box-shadow:0 6px 0 var(--btn-edge)}
button:active,.button:active{transform:translateY(3px);box-shadow:0 1px 0 var(--btn-edge)}
button.secondary,.secondary{background:transparent;color:var(--text);border-color:var(--line);box-shadow:0 4px 0 var(--line)}
button.secondary:hover,.secondary:hover{color:var(--lime);border-color:var(--lime);box-shadow:0 6px 0 color-mix(in srgb,var(--lime) 40%,var(--line))}
button:disabled{opacity:.7;cursor:wait}
.actions{display:flex;gap:10px;flex-wrap:wrap}

/* ---------- Results (kept compatible with tools.js) ---------- */
.result:not(:empty){margin-top:24px;padding-top:20px;border-top:2px dashed var(--line);animation:pop .5s var(--ease)}
@keyframes pop{from{opacity:0;transform:translateY(14px)}}
.result>h2,.result>h3{margin-top:0}
.result img{display:block;width:100%;border-radius:10px;object-fit:cover}
.result figure{margin:0}.result figcaption{margin:8px 0}
.result .grid{margin-top:12px}.result .card{padding:12px}
.result img.vertical{aspect-ratio:9/16;max-width:260px}.result img.safe{height:auto}
.error{color:#ff9aa8}:root[data-theme=light] .error{color:#b3203f}
.preview-phone{max-width:280px}
.crop{overflow:hidden;position:relative;display:flex;align-items:center;justify-content:center;background:#0d0d14}
.crop img{position:absolute;max-width:none;width:var(--crop-width);height:auto;border-radius:0}
.result .crop img{width:var(--crop-width);max-width:none;border-radius:0}
pre{white-space:pre-wrap;overflow-wrap:anywhere;border:1px solid var(--line);background:var(--bg);padding:14px;border-radius:10px;font:.9rem/1.55 var(--mono);color:var(--text)}
.result pre{max-height:28rem;overflow:auto;border-left:4px solid var(--lime)}
code{overflow-wrap:anywhere;font-family:var(--mono)}
.thumbnail-results:has(.result:not(:empty)){margin-top:26px}
.thumbnail-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:15px;margin-top:14px}
.thumbnail-grid .card{min-width:0;display:flex;flex-direction:column;gap:8px}
.thumbnail-grid .card img{aspect-ratio:16/9;object-fit:contain;background:#0d0d14}
.thumbnail-grid .actions{margin-top:auto}
.thumbnail-grid .actions button{font-size:.85rem;padding:7px 9px}
.thumbnail-grid .card:nth-child(2){animation-delay:.07s}.thumbnail-grid .card:nth-child(3){animation-delay:.14s}
iframe{width:100%;aspect-ratio:16/9;border:0;border-radius:12px}
@media(max-width:850px){.thumbnail-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:335px){.thumbnail-grid{grid-template-columns:minmax(0,1fr)}}

/* ---------- Grid + numbered cards ---------- */
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,250px),1fr));gap:16px;counter-reset:c}
.card{display:block;text-decoration:none;color:var(--text)}
.card strong{font-size:1.1rem;letter-spacing:-.02em}
.card p{font-size:.9rem;margin-bottom:0}
.editorial-card{position:relative;overflow:hidden;padding:0;transition:transform .4s var(--ease),border-color .25s,box-shadow .4s var(--ease);counter-increment:c}
.editorial-card::before{content:counter(c,decimal-leading-zero);position:absolute;z-index:2;top:10px;left:10px;padding:1px 8px;border-radius:6px;background:var(--bg);color:var(--lime);font:700 .72rem/1.6 var(--mono);letter-spacing:.08em}
.editorial-card::after{content:"";position:absolute;left:0;right:0;bottom:0;height:4px;background:linear-gradient(90deg,var(--lime),var(--accent));transform:scaleX(0);transform-origin:left;transition:transform .45s var(--ease)}
.editorial-card:hover{transform:translateY(-6px);border-color:var(--lime);box-shadow:var(--shadow)}
.editorial-card:hover::after{transform:scaleX(1)}
.card-image{display:block;width:100%;height:auto;aspect-ratio:1200/630;object-fit:cover;background:#171722;transition:transform .7s var(--ease)}
.editorial-card:hover .card-image{transform:scale(1.05)}
.card-copy{position:relative;padding:17px 18px 22px;background:var(--panel)}
.card-copy strong::after{content:" →";color:var(--lime);display:inline-block;opacity:0;transform:translateX(-6px);transition:opacity .25s,transform .35s var(--ease)}
.editorial-card:hover .card-copy strong::after{opacity:1;transform:none}
article .editorial-card{max-width:460px}

/* ---------- Hero: "monitor" ---------- */
.home-hero{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);align-items:start;gap:clamp(22px,5vw,60px)}
.home-hero h1{font-size:clamp(2.5rem,5.4vw,4.7rem)}
.home-hero .intro{max-width:38ch}
.feature-image{display:block;max-width:100%}
.feature-image img{display:block;width:100%;height:auto;aspect-ratio:1200/630;border-radius:16px;border:1px solid var(--line);background:var(--panel)}
.home-visuals>.feature-image{position:relative;overflow:hidden;border-radius:18px;border:2px solid var(--line);box-shadow:var(--shadow),0 0 0 6px color-mix(in srgb,var(--panel2) 70%,transparent);animation:float 7s ease-in-out infinite alternate}
.home-visuals>.feature-image img{border:0;border-radius:0}
.home-visuals>.feature-image::before{content:"REC";position:absolute;z-index:3;top:12px;left:12px;padding:3px 10px 3px 24px;border-radius:7px;background:#0c0b14cc;color:#fff;font:700 .7rem/1.6 var(--mono);letter-spacing:.14em;background-image:radial-gradient(circle,var(--rec) 4px,transparent 4.5px);background-repeat:no-repeat;background-size:12px 12px;background-position:8px 50%}
.home-visuals>.feature-image::after{content:"";position:absolute;inset:0;z-index:2;pointer-events:none;background:linear-gradient(var(--lime),var(--lime)) 0 0/100% 2px no-repeat;opacity:.55;animation:scan 5.5s linear infinite}
@keyframes scan{from{transform:translateY(-100%)}to{transform:translateY(100%)}}
@keyframes float{to{transform:translateY(-10px)}}
.tool-feature{max-width:840px;margin-top:34px}
article .feature-image{margin:24px 0 32px}
.tool-feature .feature-image img,article .feature-image img{box-shadow:var(--shadow)}

/* ---------- Steps as a timeline ---------- */
main>section>ol{position:relative;list-style:none;counter-reset:s;margin:20px 0;padding:0;max-width:700px}
main>section>ol::before{content:"";position:absolute;left:17px;top:14px;bottom:14px;width:2px;background:linear-gradient(var(--lime),var(--accent))}
main>section>ol>li{counter-increment:s;position:relative;margin:0;padding:3px 0 20px 58px}
main>section>ol>li::before{content:counter(s,decimal-leading-zero);position:absolute;left:0;top:0;width:36px;height:36px;display:grid;place-items:center;border-radius:11px;background:var(--bg);border:2px solid var(--lime);color:var(--lime);font:800 .78rem var(--mono)}
li{margin-bottom:8px}

/* ---------- Articles ---------- */
article{max-width:760px}
article h1{max-width:17ch;font-size:clamp(2.2rem,6vw,3.9rem)}
.editorial{max-width:760px}
article.editorial{margin-top:48px;border-top:2px dashed var(--line);padding-top:16px}
.editorial h2{margin:40px 0 14px;display:flex;gap:10px;align-items:baseline}
.editorial h2::before{content:"//";font:700 .7em var(--mono);color:var(--lime)}
.editorial h3{font-size:1.2rem;letter-spacing:-.02em;margin:28px 0 8px}
.editorial p{margin:0 0 17px;max-width:70ch;font-size:1.03rem;line-height:1.75}
.crumbs{display:flex;flex-wrap:wrap;gap:6px 10px;align-items:center;margin:0 0 16px;font:.78rem var(--mono);color:var(--muted);letter-spacing:.03em}
.crumbs a{color:var(--muted);text-decoration:none}.crumbs a:hover{color:var(--lime)}.crumbs span[aria-hidden]{opacity:.5}
.toc{margin:0 0 30px;padding:18px 22px;border:1px solid var(--line);border-left:4px solid var(--lime);border-radius:12px;background:var(--panel)}
.toc strong{font:700 .72rem var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--lime)}
.toc ol{margin:10px 0 0;padding-left:1.3rem}.toc li{margin-bottom:5px}.toc a{text-decoration:none}.toc a:hover{text-decoration:underline}
.guide-ad:not([hidden]){width:100%;max-width:760px;min-height:100px;margin:32px 0}

/* ---------- Footer ---------- */
footer{position:relative;display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:26px 44px;padding:38px 0 46px;border-top:2px dashed var(--line)}
footer>p{margin:0}
footer nav{display:flex;flex-direction:column;align-items:flex-start;gap:7px}
footer nav strong{font:700 .72rem var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--lime);margin-bottom:3px}
footer a{color:var(--muted);text-decoration:none;transition:color .2s,transform .3s var(--ease)}
footer a:hover{color:var(--lime);transform:translateX(4px)}

/* ---------- 404 ---------- */
.err404{font-size:clamp(5rem,22vw,11rem);font-weight:900;line-height:1;letter-spacing:-.07em;margin:0 0 8px;color:transparent;-webkit-text-stroke:2px var(--lime);animation:float 4s ease-in-out infinite alternate}

/* ---------- Cheap, JS-free scroll reveal (progressive) ---------- */
@supports (animation-timeline:view()){
  @keyframes rv{from{opacity:0;transform:translateY(30px)}}
  main>section,article.editorial,.grid>.editorial-card{animation:rv linear both;animation-timeline:view();animation-range:entry 0% entry 150px}
}
/* ---------- Speed: skip rendering of off-screen blocks ---------- */
main>section:not(:first-of-type),article.editorial,footer{content-visibility:auto;contain-intrinsic-size:auto 640px}

@media(max-width:760px){.home-hero{grid-template-columns:1fr;gap:22px}.home-hero h1{font-size:clamp(2.5rem,10vw,4.2rem)}.home-hero>.home-visuals{margin-top:6px}footer{grid-template-columns:1fr}}
@media(max-width:480px){main{padding-top:28px}header{flex-wrap:wrap;padding-top:10px;row-gap:9px}header nav{order:3;margin-left:0;width:100%;overflow-x:auto}.theme-switch{margin-left:auto}[id]{scroll-margin-top:130px}.card{padding:16px}.editorial-card{padding:0}.thumbnail-grid{gap:8px}.thumbnail-grid .card{padding:8px}.thumbnail-grid .actions{gap:4px}.thumbnail-grid .actions button{padding:6px 7px}.panel::before{left:16px}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}

/* ================= v3.1: links, chips, form controls ================= */
/* Chapter-numbered section headings */
main{counter-reset:sec}
main>section>h2{display:flex;align-items:center;gap:14px}
main>section>h2::before{counter-increment:sec;content:counter(sec,decimal-leading-zero);flex:none;padding:3px 9px;border:1.5px solid var(--lime);border-radius:8px;color:var(--lime);font:800 .72rem/1.5 var(--mono);letter-spacing:.06em}
main>section>h2::after{content:"";flex:1;min-width:24px;height:2px;margin-top:3px;background:repeating-linear-gradient(90deg,var(--line) 0 8px,transparent 8px 14px)}


/* Inline text links */
.editorial a,main>section>p a,article>p a,main li a{font-weight:600;text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:4px;text-decoration-color:color-mix(in srgb,var(--accent) 50%,transparent);transition:color .2s,text-decoration-color .2s}
.editorial a:hover,main>section>p a:hover,article>p a:hover,main li a:hover{color:var(--lime);text-decoration-color:var(--lime)}
main li::marker{color:var(--lime)}
main>article>p:first-child:has(>a){margin:0 0 14px;font:.78rem var(--mono);letter-spacing:.03em}
main>article>p:first-child:has(>a) a{font-weight:600;text-decoration:none;color:var(--muted)}
main>article>p:first-child:has(>a) a:hover{color:var(--lime)}



.thumbnail-grid figcaption{align-self:flex-start;margin:2px 0;padding:2px 10px;border:1px solid var(--line);border-radius:6px;background:var(--bg);color:var(--text);font:700 .82rem var(--mono)}
.thumbnail-grid .card img{border:1px solid var(--line);border-radius:10px}
.result .card{transition:transform .3s var(--ease),border-color .2s}
.thumbnail-grid .card:hover{transform:translateY(-3px);border-color:var(--lime)}

/* Checkboxes (checklist tool) */
form[data-tool=checklist] label{display:flex;align-items:center;gap:13px;margin:0 0 10px;padding:13px 15px;border:1.5px solid var(--line);border-radius:12px;background:var(--bg);cursor:pointer;transition:border-color .2s,background .2s,transform .25s var(--ease)}
form[data-tool=checklist] label:hover{border-color:var(--accent);transform:translateX(4px)}
form[data-tool=checklist] label:has(input:checked){border-color:var(--lime);background:color-mix(in srgb,var(--lime) 9%,var(--bg))}
form[data-tool=checklist] label:has(input:checked){color:var(--muted)}
input[type=checkbox]{appearance:none;-webkit-appearance:none;flex:none;display:grid;place-content:center;width:24px;height:24px;margin:0;border:2px solid var(--muted);border-radius:7px;background:var(--panel);cursor:pointer;transition:background .2s,border-color .2s}
input[type=checkbox]::after{content:"";width:12px;height:6px;margin-top:-2px;border:solid var(--btn-ink);border-width:0 0 3px 3px;transform:rotate(-45deg) scale(0);transition:transform .25s var(--ease)}
input[type=checkbox]:checked{background:var(--btn);border-color:var(--btn-edge)}
input[type=checkbox]:checked::after{transform:rotate(-45deg) scale(1)}

/* File upload inputs */
input[type=file]{padding:7px;cursor:pointer;color:var(--muted)}
input[type=file]::file-selector-button{margin-right:14px;padding:8px 15px;border:2px solid var(--btn-edge);border-radius:9px;background:var(--btn);color:var(--btn-ink);font:inherit;font-weight:800;cursor:pointer;box-shadow:0 3px 0 var(--btn-edge);transition:transform .15s,box-shadow .15s}
input[type=file]:hover::file-selector-button{transform:translateY(-1px);box-shadow:0 4px 0 var(--btn-edge)}

/* ================= v5: components of the latest site version ================= */
.home-hero>.home-visuals{margin-top:32px;min-width:0}
.home-hero{align-items:start}
@media(max-width:760px){.home-hero>.home-visuals{margin-top:6px}}
.manual-display-ad{max-width:100%;margin:32px 0}
.homepage-ad-square{width:min(100%,440px);aspect-ratio:1/1;margin:44px auto 0}
@media(max-width:760px){.homepage-ad-square{margin-top:24px}}

/* Theme dropdown */
select.theme-switch{width:auto;flex:none;margin:0;min-height:40px;padding:6px 34px 6px 12px;font-size:.85rem;font-weight:700;background-color:var(--panel);border-color:var(--line);cursor:pointer}
select.theme-switch[hidden]{display:none}

/* Action links (all in-page navigation buttons) */
.action-link{display:inline-flex;align-items:center;justify-content:space-between;gap:12px;min-height:46px;max-width:100%;padding:9px 16px;border:2px solid var(--line);border-radius:12px;background:var(--panel);color:var(--text);font-size:.95rem;font-weight:700;line-height:1.3;text-decoration:none;overflow-wrap:anywhere;transition:transform .3s var(--ease),border-color .2s,box-shadow .3s}
.action-link span{flex:none;color:var(--lime);font-weight:800;transition:transform .3s var(--ease)}
main a.action-link,main a.category-chip{text-decoration:none;font-weight:700}
main a.action-link:hover{color:var(--text);border-color:var(--lime);transform:translateY(-2px);box-shadow:0 5px 0 var(--line)}
main a.action-link:hover span{transform:translateX(4px)}
.page-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.workflow-links{margin-top:48px}
.workflow-links h2{display:flex;gap:10px;align-items:baseline;font-size:1.4rem;margin:0 0 16px}
.workflow-links h2::before{content:"//";font:700 .7em var(--mono);color:var(--lime)}
.workflow-links ul{display:flex;flex-wrap:wrap;gap:10px;list-style:none;margin:0;padding:0}
.workflow-links li{margin:0}
.workflow-links li::marker{content:none}

/* Guides directory category tiles */
.category-jump{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,230px),1fr));gap:10px;counter-reset:j;margin:18px 0 8px}
.category-chip{counter-increment:j;display:flex;align-items:center;gap:12px;padding:12px 14px;border:1.5px solid var(--line);border-radius:12px;background:var(--panel);color:var(--text);line-height:1.25;transition:transform .3s var(--ease),border-color .2s,box-shadow .3s}
.category-chip::before{content:counter(j,decimal-leading-zero);flex:none;display:grid;place-items:center;width:34px;height:34px;border:1.5px solid var(--lime);border-radius:9px;background:var(--bg);color:var(--lime);font:800 .72rem var(--mono)}
.category-chip span{margin-left:auto;color:var(--lime);font-weight:800;opacity:0;transform:translateY(-5px);transition:opacity .2s,transform .3s var(--ease)}
main a.category-chip:hover{color:var(--text);transform:translateY(-3px);border-color:var(--lime);box-shadow:var(--shadow)}
.category-chip:hover span{opacity:1;transform:none}
.category-jump~section[id]{scroll-margin-top:104px}

/* Thumbnail result actions */
.thumbnail-actions{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;margin-top:auto}
.thumbnail-actions button{min-height:42px;padding:7px 8px;font-size:.82rem;line-height:1.25;overflow-wrap:anywhere}
.thumbnail-open{grid-column:1/-1;min-height:42px;padding:6px 14px;border-style:dashed;border-color:color-mix(in srgb,var(--lime) 55%,var(--line));color:var(--lime);font:700 .8rem var(--mono);letter-spacing:.02em}
main a.thumbnail-open:hover{color:var(--on-lime);background:var(--lime);border-style:solid}
main a.thumbnail-open:hover span{transform:translate(3px,-3px)}
@media(max-width:480px){.thumbnail-actions{grid-template-columns:minmax(0,1fr);gap:6px}}

/* Thumbnail previewer: safe-zone drafts */
.draft-frame{position:relative;overflow:hidden;aspect-ratio:16/9;border-radius:10px;background:#11121a;border:1px solid var(--line)}
.result .draft-frame img{display:block;width:100%;height:100%;object-fit:cover;border-radius:0}
.draft-frame.draft-mobile{aspect-ratio:4/3}
.draft-frame .draft-zone,.draft-frame .draft-badge{display:none}
.draft-frame.show-zones .draft-zone{display:block;position:absolute;inset:9%;border:2px dashed #eaff94;border-radius:5px;box-shadow:0 0 0 40px #1414214d;pointer-events:none}
.draft-frame.show-zones .draft-badge{display:block;position:absolute;bottom:4%;right:4%;background:#14141d;color:#fff;border-radius:3px;padding:2px 6px;font-size:clamp(.6rem,2vw,.83rem);pointer-events:none}
.thumbnail-draft{min-width:0}.thumbnail-draft figcaption{overflow-wrap:anywhere}
.overlay-option{display:flex;align-items:center;gap:12px;width:fit-content;max-width:100%;margin:12px 0 16px;padding:10px 14px;border:1.5px solid var(--line);border-radius:12px;background:var(--bg);cursor:pointer;transition:border-color .2s}
.overlay-option:hover{border-color:var(--lime)}

/* Explainer figures */
.priority-figure{margin:24px 0;max-width:680px;padding:10px;border:1.5px solid var(--line);border-radius:16px;background:var(--panel)}
.priority-figure img{display:block;width:100%;height:auto;border:0;border-radius:10px}
.priority-figure figcaption{margin-top:10px;padding:0 4px 4px;font:.8rem/1.5 var(--mono);color:var(--muted)}

/* Site search */
.search-form{display:grid;grid-template-columns:minmax(0,1fr) minmax(8rem,auto) auto;gap:12px;align-items:end;max-width:54rem;padding:22px;border:1px solid var(--line);border-radius:18px;background:var(--panel);box-shadow:var(--shadow)}
.search-form label{margin:0}
.search-form button{min-height:48px}
#search-status{margin:22px 0 12px;font:700 .8rem var(--mono);letter-spacing:.04em;color:var(--lime)}
.search-results{display:grid;gap:12px;max-width:54rem;margin:0;padding:0;list-style:none;counter-reset:r}
.search-results li{counter-increment:r;position:relative;margin:0;padding:16px 18px 16px 66px;border:1.5px solid var(--line);border-radius:14px;background:var(--panel);transition:transform .3s var(--ease),border-color .2s}
.search-results li::marker{content:none}
.search-results li::before{content:counter(r,decimal-leading-zero);position:absolute;left:16px;top:16px;display:grid;place-items:center;width:34px;height:34px;border:1.5px solid var(--lime);border-radius:9px;background:var(--bg);color:var(--lime);font:800 .72rem var(--mono)}
.search-results li:hover{border-color:var(--lime);transform:translateX(4px)}
main .search-results a{color:var(--text);font-size:1.08rem;font-weight:800;text-decoration:none}
main .search-results a:hover{color:var(--lime)}
.search-results p{margin:6px 0 0;font-size:.92rem}
.search-type{display:inline-block;margin-right:10px;padding:1px 8px;border:1px solid var(--line);border-radius:6px;background:var(--bg);color:var(--lime);font:700 .68rem/1.6 var(--mono);letter-spacing:.1em;text-transform:uppercase}
@media(max-width:580px){.search-form{grid-template-columns:minmax(0,1fr) auto}.search-form label:first-child{grid-column:1/-1}}

/* Footer copyright bar */
.footer-bottom{grid-column:1/-1;display:flex;align-items:center;gap:10px;margin-top:6px;padding-top:18px;border-top:1px solid var(--line)}
.footer-bottom::before{content:"";flex:none;width:8px;height:8px;border-radius:50%;background:var(--lime)}
.footer-bottom p{margin:0;max-width:none;font:.78rem/1.5 var(--mono);letter-spacing:.03em;color:var(--muted)}

/* ================= v6: layout, graphics, speed polish ================= */
h1,h2,h3{text-wrap:balance}p,li{text-wrap:pretty}

/* Smooth page-to-page transitions (cross-document view transitions) */
@view-transition{navigation:auto}
header{view-transition-name:site-header}
::view-transition-old(root),::view-transition-new(root){animation-duration:.18s}
@media(prefers-reduced-motion:reduce){@view-transition{navigation:none}}

/* Editor timeline graphic (home + tool pages) */
.home-visuals{display:flex;flex-direction:column}
.home-visuals>.homepage-ad-square{order:3}
.home-visuals::after,.tool-feature::after{content:"";display:block;order:2;height:78px;margin-top:16px;border:1.5px solid var(--line);border-radius:12px;background:linear-gradient(var(--lime),var(--lime)) 6% 0/2px 100% no-repeat,url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 520 78' preserveAspectRatio='none'%3E%3Crect x='1' y='10' width='518' height='16' rx='4' fill='%238884' fill-opacity='.14'/%3E%3Crect x='1' y='32' width='518' height='16' rx='4' fill='%238884' fill-opacity='.14'/%3E%3Crect x='8' y='10' width='118' height='16' rx='4' fill='%237a4dff'/%3E%3Crect x='132' y='10' width='82' height='16' rx='4' fill='%23b794ff'/%3E%3Crect x='218' y='10' width='150' height='16' rx='4' fill='%235a2fb3'/%3E%3Crect x='372' y='10' width='140' height='16' rx='4' fill='%239b6dff'/%3E%3Crect x='58' y='32' width='92' height='16' rx='4' fill='%23d4f870'/%3E%3Crect x='250' y='32' width='62' height='16' rx='4' fill='%23ff5d73'/%3E%3Crect x='330' y='32' width='112' 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fill='%238a7fcf'/%3E%3Crect x='470' y='53.3' width='3' height='17.4' rx='1.5' fill='%238a7fcf'/%3E%3Crect x='476' y='54.8' width='3' height='14.4' rx='1.5' fill='%238a7fcf'/%3E%3Crect x='482' y='57.6' width='3' height='8.8' rx='1.5' fill='%238a7fcf'/%3E%3Crect x='488' y='59.9' width='3' height='4.1' rx='1.5' fill='%238a7fcf'/%3E%3Crect x='494' y='58.9' width='3' height='6.1' rx='1.5' fill='%238a7fcf'/%3E%3Crect x='500' y='59.6' width='3' height='4.8' rx='1.5' fill='%238a7fcf'/%3E%3Crect x='506' y='58.9' width='3' height='6.2' rx='1.5' fill='%238a7fcf'/%3E%3C/svg%3E") 0 0/100% 100% no-repeat,var(--panel);animation:head 9s ease-in-out infinite alternate}
@keyframes head{to{background-position:94% 0,0 0}}

/* Search icon in nav */
header nav a[href$="search/"]::before{content:"";display:inline-block;width:.9em;height:.9em;margin-right:6px;vertical-align:-.08em;background:currentColor;-webkit-mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='3' stroke-linecap='round'%3E%3Ccircle cx='11' cy='11' r='7'/%3E%3Cpath d='m20 20-4-4'/%3E%3C/svg%3E") center/contain no-repeat;mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='3' stroke-linecap='round'%3E%3Ccircle cx='11' cy='11' r='7'/%3E%3Cpath d='m20 20-4-4'/%3E%3C/svg%3E") center/contain no-repeat}

/* TOC as a timeline list with active state */
.toc ol{list-style:none;margin:12px 0 0;padding:0;border-left:2px solid var(--line)}
.toc li{margin:0}
.toc a{display:block;margin-left:-2px;padding:5px 0 5px 14px;border-left:2px solid transparent;color:var(--muted);font-size:.92rem;line-height:1.4;text-decoration:none;transition:color .2s,border-color .2s,padding .25s var(--ease)}
.toc a:hover{color:var(--text);text-decoration:none}
.toc a.on{color:var(--text);border-left-color:var(--lime);padding-left:18px;font-weight:700}

/* Guides: sticky "On this page" sidebar on wide screens */
@media(min-width:1100px){
  main>article:has(>.toc){max-width:none;display:grid;grid-template-columns:minmax(0,720px) 250px;column-gap:56px;align-items:start}
  main>article:has(>.toc)>*{grid-column:1}
  main>article:has(>.toc)>.eyebrow{justify-self:start}
  main>article:has(>.toc)>.toc{grid-column:2;grid-row:1/span 99;position:sticky;top:104px;margin:0;max-height:calc(100vh - 130px);overflow:auto}
}

/* Tool pages: tool on the left, sticky art card on the right */
@media(min-width:1060px){
  main:has(>.panel):has(>.tool-feature){display:grid;grid-template-columns:minmax(0,1fr) 360px;column-gap:48px;align-items:start}
  main:has(>.panel):has(>.tool-feature)>*{grid-column:1/-1}
  main:has(>.panel):has(>.tool-feature)>:is(.crumbs,.eyebrow,h1,.intro,.panel){grid-column:1}
  main:has(>.panel):has(>.tool-feature)>.eyebrow{justify-self:start}
  main:has(>.panel):has(>.tool-feature)>.crumbs{margin-bottom:6px}
  main:has(>.panel):has(>.tool-feature)>.panel{max-width:none;width:100%}
  main:has(>.panel):has(>.tool-feature)>.tool-feature{grid-column:2;grid-row:1/span 5;position:sticky;top:104px;max-width:none;margin:0}
}

/* Footer wordmark */
footer::after{content:"YoutubeTools.Live" / "";order:1;grid-column:1/-1;margin-top:14px;font-size:clamp(2rem,9vw,6.4rem);font-weight:900;letter-spacing:-.06em;line-height:.95;text-align:center;white-space:nowrap;overflow:hidden;color:transparent;-webkit-text-stroke:1.5px color-mix(in srgb,var(--muted) 32%,transparent);user-select:none;pointer-events:none}
.footer-bottom{order:2}

/* ===== Justified paragraphs (with hyphenation to avoid wide gaps) ===== */
main p,.editorial li{text-align:justify;-webkit-hyphens:auto;hyphens:auto;overflow-wrap:break-word}
main .card p,main .search-results p,main #search-status,main .crumbs,main>article>p:first-child:has(>a),.toc p,.footer-bottom p{text-align:left;-webkit-hyphens:manual;hyphens:manual}