.ytvt-m,.ytvt-m *{box-sizing:border-box}
.ytvt-m{--ink:#1d1d1f;--muted:#6e6e73;--line:#d2d2d7;--soft:#f5f5f7;--blue:#0071e3;max-width:1120px;margin:0 auto;padding:24px 20px 40px;color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"SF Pro Display","SF Pro Text","Inter","Helvetica Neue",Arial,sans-serif;line-height:1.5;-webkit-font-smoothing:antialiased}
.ytvt-m h1,.ytvt-m h2,.ytvt-m h3,.ytvt-m p,.ytvt-m ul,.ytvt-m ol{margin:0;padding:0}
.ytvt-m h1,.ytvt-m h2,.ytvt-m h3{color:var(--ink);font-family:inherit}
.ytvt-m a{color:var(--blue)}
.ytvt-m a:focus-visible,.ytvt-m button:focus-visible,.ytvt-m summary:focus-visible,.ytvt-m input:focus-visible,.ytvt-m select:focus-visible,.ytvt-m textarea:focus-visible{outline:3px solid rgba(0,113,227,.45);outline-offset:2px}
body.ytvt-page .entry-title,body.ytvt-page .page-title,body.ytvt-page .wp-block-post-title,body.ytvt-page .entry-header{display:none}
.ytvt-sr{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* hero */
.ytvt-hero{padding:clamp(40px,8vw,84px) 24px clamp(36px,6vw,64px);border-radius:28px;background:var(--soft);text-align:center}
.ytvt-hero h1{max-width:780px;margin:0 auto 16px;font-size:clamp(34px,6.2vw,62px);font-weight:700;line-height:1.07;letter-spacing:-.035em}
.ytvt-lead{max-width:640px;margin:0 auto 28px;color:var(--muted);font-size:clamp(16px,2vw,21px);line-height:1.5}
.ytvt-hero-actions{display:flex;align-items:center;justify-content:center;gap:22px;flex-wrap:wrap}
.ytvt-btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 24px;border:0;border-radius:980px;background:var(--blue);color:#fff!important;font:inherit;font-size:16px;font-weight:500;text-decoration:none!important;cursor:pointer;transition:background .2s}
.ytvt-btn:hover{background:#0077ed}
.ytvt-btn[disabled]{opacity:.45;cursor:not-allowed}
.ytvt-btn-sm{min-height:34px;padding:0 16px;font-size:14px}
.ytvt-btn-ghost{background:#e8e8ed;color:var(--ink)!important}
.ytvt-btn-ghost:hover{background:#dcdce1}
.ytvt-textlink{color:var(--blue)!important;font-size:16px;text-decoration:none!important}
.ytvt-textlink:hover{text-decoration:underline!important}
.ytvt-points{display:flex;justify-content:center;gap:8px 26px;flex-wrap:wrap;margin-top:34px!important;list-style:none;color:var(--muted);font-size:14px}

/* hub grid */
.ytvt-tools{margin-top:64px;scroll-margin-top:24px}
.ytvt-tools-head{display:flex;align-items:flex-end;justify-content:space-between;gap:18px;flex-wrap:wrap;margin-bottom:22px}
.ytvt-m h2{font-size:clamp(26px,3.6vw,36px);font-weight:700;line-height:1.15;letter-spacing:-.025em}
.ytvt-controls{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.ytvt-seg{display:inline-flex;padding:3px;border-radius:10px;background:#e8e8ed}
.ytvt-seg button{min-height:32px;padding:0 16px;border:0;border-radius:8px;background:transparent;color:var(--ink);font:inherit;font-size:14px;font-weight:500;cursor:pointer}
.ytvt-seg button.is-on{background:#fff;box-shadow:0 1px 4px rgba(0,0,0,.14)}
.ytvt-search{display:flex;align-items:center;gap:8px;min-width:0;width:220px;height:38px;padding:0 12px;border-radius:10px;background:#e8e8ed;color:var(--muted)}
.ytvt-search input{flex:1;min-width:0;width:100%;height:100%;padding:0!important;border:0!important;outline:0;background:transparent!important;box-shadow:none!important;color:var(--ink)!important;font:inherit;font-size:15px}
.ytvt-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.ytvt-card{position:relative;display:flex;flex-direction:column;align-items:flex-start;min-width:0;padding:26px 24px 22px;border:1px solid transparent;border-radius:24px;background:var(--soft);transition:background .2s,border-color .2s,box-shadow .2s}
.ytvt-card:hover{border-color:var(--line);background:#fff;box-shadow:0 10px 30px rgba(0,0,0,.07)}
.ytvt-card[hidden]{display:none}
.ytvt-icon{display:grid;place-items:center;width:56px;height:56px;margin-bottom:18px;border-radius:15px;box-shadow:0 4px 12px rgba(0,0,0,.12)}
.ytvt-tag{margin-bottom:6px;color:var(--muted);font-size:13px;font-weight:500}
.ytvt-card h3{margin-bottom:8px;font-size:21px;font-weight:700;line-height:1.22;letter-spacing:-.015em}
.ytvt-card h3 a{color:var(--ink)!important;text-decoration:none!important}
.ytvt-card h3 a::after{content:"";position:absolute;inset:0;border-radius:24px}
.ytvt-card p{flex:1;margin-bottom:18px;color:var(--muted);font-size:15px;line-height:1.55}
.ytvt-open{display:inline-flex;align-items:center;gap:2px;color:var(--blue);font-size:15px;font-weight:500}
.ytvt-open svg{transition:transform .2s}
.ytvt-card:hover .ytvt-open svg{transform:translateX(3px)}
.ytvt-status{margin-top:16px!important;color:var(--muted);font-size:13px}
.ytvt-empty{margin-top:8px;padding:44px 20px;border-radius:24px;background:var(--soft);text-align:center}
.ytvt-empty[hidden]{display:none}
.ytvt-empty h3{margin-bottom:6px;font-size:20px}
.ytvt-empty p{margin-bottom:18px;color:var(--muted)}

/* sections */
.ytvt-how{margin-top:72px}
.ytvt-steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;margin-top:22px!important;list-style:none;counter-reset:step}
.ytvt-steps li{position:relative;padding:22px 22px 22px 70px;border:1px solid var(--line);border-radius:20px;counter-increment:step}
.ytvt-steps li::before{content:counter(step);position:absolute;top:22px;left:22px;display:grid;place-items:center;width:32px;height:32px;border-radius:50%;background:var(--ink);color:#fff;font-size:15px;font-weight:600}
.ytvt-steps strong{display:block;margin-bottom:4px;font-size:17px}
.ytvt-steps span{color:var(--muted);font-size:15px}
.ytvt-about{max-width:780px;margin:72px auto 0}
.ytvt-about h2{margin-bottom:18px}
.ytvt-about p{margin-bottom:16px;color:#424245;font-size:17px;line-height:1.7}
.ytvt-about a{text-decoration:none}
.ytvt-about a:hover{text-decoration:underline}
.ytvt-faq{max-width:780px;margin:64px auto 0}
.ytvt-faq h2{margin-bottom:20px}
.ytvt-faq-item{border-bottom:1px solid var(--line)}
.ytvt-faq-item:first-of-type{border-top:1px solid var(--line)}
.ytvt-faq-item summary{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px 2px;color:var(--ink);font-size:18px;font-weight:600;line-height:1.4;cursor:pointer;list-style:none}
.ytvt-faq-item summary::-webkit-details-marker{display:none}
.ytvt-faq-item summary::after{content:"+";flex:0 0 auto;color:var(--muted);font-size:26px;font-weight:300;line-height:1;transition:transform .2s}
.ytvt-faq-item[open] summary::after{transform:rotate(45deg)}
.ytvt-faq-item p{padding:0 2px 22px;color:#424245;font-size:16px;line-height:1.7}

/* tool page */
.ytvt-crumbs{margin:2px 2px 18px;color:var(--muted);font-size:13px}
.ytvt-crumbs a{color:var(--muted)!important;text-decoration:none}
.ytvt-crumbs a:hover{text-decoration:underline}
.ytvt-thead{max-width:760px;margin:0 auto 26px;text-align:center}
.ytvt-thead .ytvt-icon{margin:0 auto 16px}
.ytvt-thead h1{margin-bottom:12px;font-size:clamp(30px,5vw,48px);font-weight:700;line-height:1.1;letter-spacing:-.03em}
.ytvt-thead .ytvt-lead{margin-bottom:0;font-size:clamp(16px,1.8vw,19px)}
.ytvt-app{max-width:860px;margin:0 auto}
.ytvt-panel{padding:22px;border-radius:26px;background:var(--soft)}
.ytvt-drop{display:flex;flex-direction:column;align-items:center;gap:6px;padding:34px 18px;border:2px dashed #c7c7cc;border-radius:18px;background:#fff;text-align:center;cursor:pointer;transition:border-color .2s,background .2s}
.ytvt-drop.is-over{border-color:var(--blue);background:#f0f7ff}
.ytvt-drop strong{font-size:18px}
.ytvt-drop span{color:var(--muted);font-size:14px}
.ytvt-drop em{margin-top:8px;font-style:normal}
.ytvt-fields{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:14px;margin:18px 0 4px}
.ytvt-fields label{display:flex;flex-direction:column;gap:6px;font-size:14px;font-weight:500}
.ytvt-fields .ytvt-check{flex-direction:row;align-items:center;gap:8px}
.ytvt-fields .ytvt-check input{width:auto}
.ytvt-fields .ytvt-wide{grid-column:1/-1}
.ytvt-m input[type=number],.ytvt-m input[type=text],.ytvt-m select,.ytvt-m textarea{width:100%;min-height:40px;padding:8px 12px;border:1px solid var(--line);border-radius:10px;background:#fff;box-shadow:none;color:var(--ink);font:inherit;font-size:15px}
.ytvt-m textarea{min-height:130px;resize:vertical;line-height:1.5}
.ytvt-m input[type=range]{width:100%}
.ytvt-chips{display:flex;gap:6px;flex-wrap:wrap}
.ytvt-chips button{padding:6px 13px;border:0;border-radius:99px;background:#fff;color:var(--ink);font:inherit;font-size:13px;cursor:pointer}
.ytvt-chips button:hover{background:#e8e8ed}
.ytvt-row{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin-top:16px}
.ytvt-prog{height:8px;margin-top:16px;border-radius:99px;background:#e8e8ed;overflow:hidden}
.ytvt-prog[hidden]{display:none}
.ytvt-prog i{display:block;width:0;height:100%;background:var(--blue);transition:width .2s}
.ytvt-msg{margin:12px 0 0;color:var(--muted);font-size:14px}
.ytvt-msg.err{color:#d70015}
.ytvt-list{display:grid;gap:10px;margin:14px 0 0!important;list-style:none}
.ytvt-list li{display:flex;gap:12px;align-items:center;padding:10px 12px;border-radius:16px;background:#fff}
.ytvt-thumb{flex:0 0 auto;width:52px;height:52px;border-radius:10px;background:#e8e8ed;object-fit:cover}
.ytvt-meta{flex:1;min-width:0}
.ytvt-meta b{display:block;overflow:hidden;font-size:14px;text-overflow:ellipsis;white-space:nowrap}
.ytvt-meta span{color:var(--muted);font-size:13px}
.ytvt-media{display:block;width:100%;max-height:380px;margin-top:16px;border-radius:14px;background:#000}
.ytvt-result{margin-top:18px;padding:16px;border-radius:18px;background:#fff;text-align:center}
.ytvt-result img,.ytvt-result video{max-width:100%;border-radius:12px}
.ytvt-result p{margin:10px 0;color:var(--muted);font-size:14px}
.ytvt-note{margin-top:12px;color:var(--muted);font-size:13px}
.ytvt-block{margin-top:22px}
.ytvt-block h3{margin-bottom:8px;font-size:17px;font-weight:700}
.ytvt-sublive{min-height:46px;padding:9px 14px;border-radius:0 0 14px 14px;background:#000;color:#fff;font-size:15px;text-align:center;white-space:pre-line}
.ytvt-cue{display:grid;grid-template-columns:30px 116px 116px minmax(0,1fr) auto;gap:8px;align-items:start;margin-top:8px;padding:10px;border-radius:14px;background:#fff}
.ytvt-cue .ytvt-n{padding-top:9px;color:var(--muted);font-size:13px;text-align:center}
.ytvt-cue textarea{min-height:58px}
.ytvt-cue .ytvt-tools-mini{display:flex;gap:4px;flex-wrap:wrap}
.ytvt-cue input.bad{border-color:#d70015}
.ytvt-mini{min-height:30px;padding:0 10px;border:0;border-radius:8px;background:#e8e8ed;color:var(--ink);font:inherit;font-size:12px;cursor:pointer}
.ytvt-mini:hover{background:#dcdce1}
.ytvt-related{max-width:860px;margin:64px auto 0}
.ytvt-related h2{margin-bottom:18px}
.ytvt-relgrid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
.ytvt-rel{position:relative;display:flex;flex-direction:column;gap:8px;padding:18px;border-radius:20px;background:var(--soft)}
.ytvt-rel:hover{background:#ececf0}
.ytvt-rel .ytvt-icon{width:44px;height:44px;margin:0 0 4px;border-radius:12px}
.ytvt-rel b{font-size:16px;line-height:1.3}
.ytvt-rel b a{color:var(--ink)!important;text-decoration:none!important}
.ytvt-rel b a::after{content:"";position:absolute;inset:0;border-radius:20px}
.ytvt-rel span{color:var(--muted);font-size:13px}
.ytvt-allbtn{margin-top:16px;text-align:center}

@media(max-width:900px){.ytvt-grid,.ytvt-relgrid{grid-template-columns:repeat(2,minmax(0,1fr))}.ytvt-steps{grid-template-columns:1fr}}
@media(max-width:640px){
.ytvt-m{padding:14px 14px 32px}
.ytvt-hero{border-radius:22px;padding:38px 18px 32px}
.ytvt-grid,.ytvt-relgrid{grid-template-columns:1fr;gap:12px}
.ytvt-card{padding:22px 20px 20px;border-radius:20px}
.ytvt-card h3 a::after{border-radius:20px}
.ytvt-tools{margin-top:48px}
.ytvt-tools-head{align-items:stretch}
.ytvt-controls{width:100%}
.ytvt-search{flex:1;width:auto;min-width:150px}
.ytvt-how,.ytvt-about{margin-top:52px}
.ytvt-about p{font-size:16px}
.ytvt-faq-item summary{font-size:16px}
.ytvt-panel{padding:16px;border-radius:20px}
.ytvt-cue{grid-template-columns:1fr 1fr}
.ytvt-cue .ytvt-n{display:none}
.ytvt-cue textarea,.ytvt-cue .ytvt-tools-mini{grid-column:1/-1}
}
@media(prefers-reduced-motion:reduce){.ytvt-m *,.ytvt-m *::before,.ytvt-m *::after{transition:none!important}}