/* Video To Converter – SaaS UI. Restyle via CSS variables. */
:root{--vtc-accent:#5b5bf6;--vtc-accent-2:#8b5cf6;--vtc-ink:#0f172a;--vtc-muted:#64748b;--vtc-line:#e2e8f0;--vtc-card:#fff;--vtc-bg1:#eef2ff;--vtc-bg2:#f5f3ff;--vtc-bg3:#ecfeff;--vtc-radius:20px;--vtc-header:0px;--vtc-font:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif}
.vtc-hero,.vtc-hero *,.vtc-tool,.vtc-tool *{box-sizing:border-box}
.vtc-hero{font-family:var(--vtc-font);color:var(--vtc-ink);min-height:calc(100vh - var(--vtc-header));min-height:calc(100svh - var(--vtc-header));display:flex;flex-direction:column;justify-content:center;align-items:center;padding:clamp(16px,3vh,40px) 16px;background:radial-gradient(1200px 600px at 10% -10%,var(--vtc-bg1),transparent 60%),radial-gradient(900px 500px at 110% 10%,var(--vtc-bg2),transparent 60%),linear-gradient(180deg,#fff, var(--vtc-bg3));width:100vw;margin-left:calc(50% - 50vw);position:relative}
.vtc-hero h1{font-size:clamp(28px,4.2vw,52px);line-height:1.08;letter-spacing:-.02em;font-weight:800;margin:0 0 10px;text-align:center;background:linear-gradient(90deg,var(--vtc-ink),var(--vtc-accent));-webkit-background-clip:text;background-clip:text;color:transparent}
.vtc-hero .vtc-intro{font-size:clamp(15px,1.5vw,19px);color:var(--vtc-muted);margin:0 0 clamp(14px,2.6vh,28px);text-align:center;max-width:640px}
.vtc-tool{font-family:var(--vtc-font);color:var(--vtc-ink);width:100%;max-width:760px}
.vtc-card{background:var(--vtc-card);border-radius:var(--vtc-radius);box-shadow:0 1px 2px rgba(15,23,42,.05),0 20px 50px -12px rgba(79,70,229,.25);border:1px solid rgba(226,232,240,.8);padding:clamp(14px,2.4vh,28px)}
.vtc-pills{display:flex;gap:6px;overflow-x:auto;scrollbar-width:none;padding:2px 2px 14px;margin:0 0 4px;-webkit-mask-image:linear-gradient(90deg,#000 92%,transparent)}
.vtc-pills::-webkit-scrollbar{display:none}
.vtc-pill{flex:0 0 auto;padding:6px 14px;border-radius:999px;border:1px solid var(--vtc-line);color:var(--vtc-muted);font-size:14px;font-weight:600;text-decoration:none;background:#fff;transition:border-color .15s,color .15s}
.vtc-pill:hover,.vtc-pill:focus-visible{border-color:var(--vtc-accent);color:var(--vtc-accent);outline:none}
.vtc-pill.is-active{background:var(--vtc-accent);border-color:var(--vtc-accent);color:#fff}
.vtc-drop{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;text-align:center;border:2px dashed #c7d2fe;border-radius:16px;background:linear-gradient(180deg,#fafaff,#f5f7ff);min-height:clamp(200px,30vh,300px);padding:20px;cursor:pointer;transition:border-color .15s,background .15s}
.vtc-drop:hover,.vtc-drop:focus-visible,.vtc-drop.is-over{border-color:var(--vtc-accent);outline:none;background:#f3f4ff}
.vtc-ico{width:56px;height:56px;color:var(--vtc-accent)}
.vtc-drop strong{font-size:clamp(17px,1.6vw,21px)}
.vtc-or{color:var(--vtc-muted);font-size:13px}
.vtc-drop small{color:var(--vtc-muted);font-size:13px;margin-top:4px}
.vtc-btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;min-height:46px;padding:0 22px;border-radius:12px;font:600 16px/1 var(--vtc-font);border:1.5px solid var(--vtc-line);background:#fff;color:var(--vtc-ink);cursor:pointer;text-decoration:none;transition:border-color .15s,color .15s,box-shadow .15s}
.vtc-btn:hover,.vtc-btn:focus-visible{border-color:var(--vtc-accent);color:var(--vtc-accent);outline:none}
.vtc-btn-primary,.vtc-btn-primary:hover,.vtc-btn-primary:focus-visible{background:linear-gradient(135deg,var(--vtc-accent),var(--vtc-accent-2));border-color:transparent;color:#fff;box-shadow:0 8px 20px -8px rgba(91,91,246,.6)}
.vtc-btn-primary:hover,.vtc-btn-primary:focus-visible{box-shadow:0 0 0 3px #fff,0 0 0 5px var(--vtc-accent)}
.vtc-link{background:none;border:0;color:var(--vtc-accent);font:600 14px var(--vtc-font);cursor:pointer;padding:0;text-align:left}
.vtc-file{display:flex;gap:14px;align-items:center;margin-bottom:14px}
.vtc-prev{width:140px;aspect-ratio:16/9;border-radius:10px;background:#0f172a;object-fit:cover;flex:0 0 auto}
.vtc-meta{display:flex;flex-direction:column;gap:3px;min-width:0}
.vtc-name{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.vtc-info{color:var(--vtc-muted);font-size:14px}
.vtc-opts{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:10px;margin-bottom:16px}
.vtc-opt{display:flex;flex-direction:column;gap:4px;font-size:13px;font-weight:600;color:var(--vtc-muted)}
.vtc-target{margin-bottom:12px;flex-direction:row;align-items:center;gap:10px}.vtc-target span{white-space:nowrap;font-size:15px;color:var(--vtc-ink)}.vtc-target select{font-weight:700}
.vtc-opt input,.vtc-opt select{height:42px;border:1.5px solid var(--vtc-line);border-radius:10px;padding:0 10px;font:500 15px var(--vtc-font);color:var(--vtc-ink);background:#fff;width:100%}
.vtc-opt input:hover,.vtc-opt select:hover,.vtc-opt input:focus,.vtc-opt select:focus{border-color:var(--vtc-accent);outline:none}
.vtc-go{width:100%}
.vtc-s-prog{padding:30px 6px}
.vtc-status{margin:0 0 12px;font-weight:600}
.vtc-bar{height:12px;border-radius:99px;background:#eef2ff;overflow:hidden}
.vtc-bar i{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--vtc-accent),var(--vtc-accent-2));transition:width .25s}
.vtc-row{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-top:12px;flex-wrap:wrap}
.vtc-out{color:var(--vtc-muted);font-size:14px;word-break:break-all}
.vtc-actions .vtc-btn{flex:1 1 180px}
.vtc-result{display:flex;justify-content:center;max-height:38vh;overflow:auto;border-radius:12px;background:#f8fafc;padding:10px}
.vtc-result img,.vtc-result video{max-width:100%;max-height:36vh;border-radius:8px}
.vtc-result audio{width:100%}
.vtc-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(90px,1fr));gap:6px;width:100%}
.vtc-grid img{width:100%;border-radius:6px}
.vtc-ascii{font:6px/6px ui-monospace,Menlo,monospace;margin:0}
.vtc-okico{font-size:48px;color:#16a34a}
.vtc-err{margin:12px 0 0;padding:10px 14px;border-radius:10px;background:#fef2f2;color:#b91c1c;font-size:14px}
.vtc-badges{display:flex;flex-wrap:wrap;justify-content:center;gap:8px 18px;list-style:none;margin:14px 0 0;padding:0;font-size:13px;color:var(--vtc-muted)}
[hidden]{display:none!important}
/* below the fold */
.vtc-section{font-family:var(--vtc-font);max-width:1100px;margin:0 auto;padding:56px 16px}
.vtc-format-grid,.vtc-features{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:12px}
.vtc-format-grid a{display:block;padding:14px;border:1.5px solid var(--vtc-line);border-radius:14px;text-decoration:none;color:var(--vtc-ink);font-weight:600;background:#fff}
.vtc-format-grid a:hover{border-color:var(--vtc-accent);color:var(--vtc-accent)}
/* phone */
@media (max-width:600px){.vtc-hero{padding:14px 12px;justify-content:flex-start;padding-top:max(18px,4vh)}.vtc-card{padding:14px;border-radius:16px}.vtc-drop{min-height:max(220px,36svh)}.vtc-file{flex-direction:column;align-items:stretch}.vtc-prev{width:100%}.vtc-opts{grid-template-columns:1fr 1fr}.vtc-badges{flex-direction:column;align-items:center;gap:4px}.vtc-pill{font-size:13px;padding:6px 12px}}
/* tablet */
@media (min-width:601px) and (max-width:1024px){.vtc-tool{max-width:680px}.vtc-drop{min-height:clamp(260px,32vh,360px)}.vtc-hero h1{font-size:44px}}
/* desktop */
@media (min-width:1025px){.vtc-tool{max-width:820px}}
@media (prefers-reduced-motion:reduce){.vtc-bar i{transition:none}}