:root{--purple:#7545da;--ink:#1b2433;--muted:#66758a;--line:#e8e6f2;--bg:#f8f8fc}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:15px/1.55 -apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}a{color:inherit}.nav{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:10}.nav-inner{max-width:1180px;margin:auto;display:flex;align-items:center;justify-content:space-between;gap:15px;padding:15px 22px}.brand{font-size:20px;font-weight:850;text-decoration:none}.brand b{color:#2795d2}.nav nav{display:flex;gap:22px}.nav nav a{text-decoration:none;font-weight:600;color:#566276}.nav nav a:hover{color:var(--purple)}.wrap{max-width:1120px;margin:auto;padding:0 22px}.hero{text-align:center;padding:48px 0 27px}.eyebrow{color:#6e46be;font-size:12px;text-transform:uppercase;letter-spacing:.16em;font-weight:800}.hero h1{font-size:clamp(32px,5vw,54px);line-height:1.1;letter-spacing:-.045em;margin:14px 0}.lead{color:var(--muted);font-size:17px;max-width:660px;margin:0 auto}.info,.workspace{background:#fff;border:1px solid var(--line);border-radius:20px;box-shadow:0 8px 28px #221d4410}.workspace{padding:25px}.workspace h2{font-size:22px;margin:0 0 8px;letter-spacing:-.025em}.muted,.tiny{color:var(--muted)}.tiny{font-size:12px}.upload{display:block;border:2px dashed #c9b8f0;border-radius:16px;background:#faf7ff;padding:21px;text-align:center;cursor:pointer;margin:17px 0}.upload strong{display:block}.upload small{display:block;color:var(--muted)}.upload input{max-width:100%;margin:12px auto 0}.layout{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(300px,.85fr);gap:23px;margin-top:20px}.video-shell{background:#101321;border-radius:14px;overflow:hidden;aspect-ratio:16/9;display:grid;place-items:center}.video-shell video{width:100%;height:100%;object-fit:contain}.settings{background:#fcfbff;border:1px solid var(--line);border-radius:16px;padding:19px}.settings h2{font-size:18px}.settings label:not(.check){font-weight:650;display:block;margin:12px 0 5px}.settings input[type=number],.settings input[type=text],.settings select,.settings textarea{width:100%;min-width:0;border:1px solid #d8d5e3;border-radius:10px;background:#fff;padding:10px;font:inherit;color:inherit}.settings input[type=range]{width:100%;accent-color:var(--purple)}.settings textarea{min-height:135px;resize:vertical}.check{display:flex;align-items:center;gap:8px;margin:15px 0;font-weight:600}.actions{display:flex;gap:10px;flex-wrap:wrap;margin:17px 0 8px}.btn{border:1px solid #ded9eb;background:#fff;color:#302d45;cursor:pointer;border-radius:10px;padding:11px 16px;font:inherit;font-weight:750}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--purple);color:#fff;border-color:var(--purple)}.status{color:#55427e;font-size:13px;overflow-wrap:anywhere}.progress{width:100%;height:12px;accent-color:var(--purple)}.result{display:none;padding:14px;background:#effaf5;border:1px solid #bbdfd0;border-radius:12px;margin:14px 0}.result a{color:#086b4c;font-weight:800}.notice{font-size:13px;color:#695e75;background:#f4efff;border-radius:10px;padding:11px;margin-top:16px}.debug-panel{margin-top:16px;border:1px solid #e0d9f1;border-radius:12px;padding:12px;background:#fbfaff}.debug-panel summary{cursor:pointer;font-weight:750;color:#6545a8}.debug-panel pre{background:#182133;color:#e2e8f0;white-space:pre-wrap;overflow-wrap:anywhere;padding:12px;border-radius:8px;max-height:270px;overflow:auto;font:12px/1.6 ui-monospace,monospace;margin:9px 0 0}.section{font-size:24px;margin:36px 0 13px}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:13px}.info{padding:21px}.info h3{margin:0 0 7px}.info p{margin:0;color:var(--muted)}.related{display:flex;gap:10px;flex-wrap:wrap;margin:14px 0 45px}.related a{background:#fff;border:1px solid var(--line);border-radius:30px;padding:9px 14px;text-decoration:none;font-weight:650}.footer{text-align:center;padding:25px;border-top:1px solid var(--line);color:var(--muted)}.two{display:grid;grid-template-columns:1fr 1fr;gap:12px}.triple{display:grid;grid-template-columns:repeat(3,1fr);gap:9px}.preview-box{padding:13px;background:#f5f1ff;border-radius:12px;margin-top:10px}.preview-box img,.preview-box video{display:block;width:100%;max-height:250px;object-fit:contain;margin-top:8px}.hidden{display:none!important}code{overflow-wrap:anywhere}@media(max-width:760px){.layout{grid-template-columns:1fr}.grid{grid-template-columns:1fr}.nav nav{gap:9px;font-size:12px}.workspace{padding:15px}.hero{padding:30px 0 20px}}