@font-face{font-family:Halis;src:url("brand/halis-regular.woff") format("woff");font-weight:400;font-display:swap}
@font-face{font-family:Halis;src:url("brand/halis-bold.woff") format("woff");font-weight:600 800;font-display:swap}
:root{font-family:Halis,Arial,sans-serif;color:#002459;background:#f9faff;font-synthesis:none;--primary:#002459;--accent:#513bf1;--brand-green:#17bf87;--muted:#596780;--line:#e6e8f0}
*{box-sizing:border-box}body{margin:0}main,footer,.header-inner{max-width:1000px;margin:auto;padding:24px}header{background:var(--primary)}.header-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;padding-top:20px;padding-bottom:20px}.brand{display:block;flex-shrink:0}.brand img{display:block;width:156px;height:auto}header span{font-size:11px;color:#e6e8f0}main{padding-top:32px}h1{font-size:clamp(25px,3.7vw,34px);line-height:1.2;letter-spacing:-1px;font-weight:600;margin:0 0 12px}.subtitle{color:var(--muted);font-size:15px;margin:0 0 28px}h2{font-size:18px;margin:0 0 16px;font-weight:600}
.workspace{background:#fff;border:1px solid var(--line);border-radius:12px;padding:24px}.workspace.ready{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(260px,1fr);gap:28px}.dropzone{min-height:200px;border:1.5px dashed #bac4d8;border-radius:8px;display:flex;flex-direction:column;justify-content:center;align-items:center;padding:28px;text-align:center}.dropzone.drag{background:#edfaf5;border-color:var(--brand-green)}.dropzone p{font-size:15px;margin:0 0 18px}.dropzone small{font-size:11px;color:var(--muted);margin-top:18px}#file{position:absolute;width:1px;height:1px;opacity:0;overflow:hidden}.button{display:inline-flex;align-items:center;justify-content:center;border:0;border-radius:6px;min-height:44px;padding:12px 20px;font:600 13px/1.4 Halis,Arial,sans-serif;text-decoration:none;cursor:pointer}.primary{background:var(--accent);color:#fff}.primary:hover{background:#412cc9}.full{width:100%;margin-top:16px}.button:disabled,.button.disabled{opacity:.4;cursor:not-allowed}.text-button{border:0;background:none;color:var(--primary);font:inherit;font-size:12px;text-decoration:underline;text-underline-offset:3px;cursor:pointer;padding:8px 0}.player-top{display:flex;justify-content:space-between;align-items:center;font-size:12px;color:var(--muted);gap:10px;margin-bottom:10px}video{width:100%;display:block;aspect-ratio:16/9;background:#002459;border-radius:7px}.file-meta{display:flex;justify-content:space-between;gap:12px;font-size:10px;color:var(--muted);margin:12px 0}.file-meta strong{color:var(--primary);overflow-wrap:anywhere;max-width:55%}.segmented{display:flex;gap:4px;padding:4px;background:#eef0f8;border-radius:6px;width:fit-content}.segmented button{border:0;background:none;padding:7px 14px;color:var(--muted);font-size:11px;border-radius:4px;cursor:pointer}.segmented .selected{background:#fff;color:var(--primary)}progress{width:100%;height:6px;accent-color:var(--primary)}#status{font-size:12px;color:var(--muted);line-height:1.6}.error{background:#fff0e8;color:#973a1a;font-size:13px;line-height:1.5;padding:14px;border-radius:7px}.measurement{display:flex;align-items:center;gap:14px;background:#edfaf5;padding:16px;border-radius:7px}#delay-number{font-size:28px;letter-spacing:-1px;white-space:nowrap}#delay-explanation{font-size:11px;color:var(--muted);line-height:1.5}.small{font-size:11px;color:var(--muted);line-height:1.6}.help{margin-top:20px;color:var(--muted);font-size:12px;line-height:1.7}.help p{max-width:760px}summary{cursor:pointer;color:var(--primary);font-size:12px}table{width:100%;border-collapse:collapse;font-size:11px;margin:14px 0}th,td{padding:8px 0;border-bottom:1px solid var(--line);text-align:left}th{color:var(--muted);font-weight:400}th:last-child,td:last-child{text-align:right}.offset-label{display:block;font-size:12px;margin:15px 0 8px}.offset-control{display:flex;width:180px;border:1px solid var(--line);border-radius:6px;overflow:hidden}.offset-control button{width:40px;border:0;background:#f0f1f8;color:var(--primary);font-size:18px;cursor:pointer}.offset-control input{width:100px;padding:9px;border:0;text-align:center;color:var(--primary);font-size:14px}.jump-buttons{display:flex;gap:8px}.jump-buttons button{padding:8px 12px;border:1px solid var(--line);border-radius:5px;background:#f5f4ff;color:var(--primary);font-size:11px;cursor:pointer}.check{display:flex;gap:8px;align-items:center;font-size:12px;margin:20px 0 4px}.check input{accent-color:var(--primary)}footer{display:flex;justify-content:space-between;color:var(--muted);font-size:10px;padding-top:10px}footer a{color:inherit}button:focus-visible,a:focus-visible,input:focus-visible,label.button:has(+ input:focus-visible){outline:3px solid var(--accent);outline-offset:3px}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%)}[hidden]{display:none!important}
@media(max-width:700px){.header-inner,main,footer{padding:20px}.workspace{padding:18px}.workspace.ready{grid-template-columns:1fr;gap:24px}.control-pane{border-top:1px solid var(--line);padding-top:22px}header span{max-width:150px;text-align:right;font-size:10px}.brand img{width:128px}.dropzone{padding:24px 12px}.file-meta{flex-wrap:wrap}main{padding-top:24px}}