:root{--accent: #1766f5;--border: #d1d9e5;--muted: #50617a;color:#0c1d38;background:#fff;font-family:Inter,Arial,Helvetica,sans-serif;font-synthesis:none}*{box-sizing:border-box}body{margin:0}button,select,input{font:inherit}button,a,label,select{-webkit-tap-highlight-color:transparent}button,a,select{touch-action:manipulation}button{cursor:pointer}a{color:var(--accent)}button:focus-visible,a:focus-visible,select:focus-visible,.dropzone:focus-within{outline:3px solid #84b4ff;outline-offset:4px}[hidden]{display:none!important}.site-header{display:flex;max-width:1280px;height:84px;margin:0 auto;align-items:center;justify-content:space-between;border-bottom:1px solid var(--border)}.brand{display:flex;align-items:center;gap:17px;color:#0c1d38;font-size:20px;font-weight:700;letter-spacing:3px;text-decoration:none}.brand svg{width:38px;height:43px;fill:none;stroke:currentColor;stroke-width:2}main{max-width:1280px;margin:auto}.intro{padding:45px 20px 34px;text-align:center}.intro h1{margin:0;font-size:clamp(36px,4.3vw,54px);font-weight:750;letter-spacing:-2px;line-height:1.14}.converter{display:grid;grid-template-columns:2fr 1fr;overflow:hidden;border:1px solid var(--border);border-radius:7px}.file-panel{min-width:0;padding:25px}.dropzone{position:relative;display:flex;min-height:290px;padding:25px;flex-direction:column;align-items:center;justify-content:center;text-align:center;border:2px dashed #c4cfdf;border-radius:7px;transition:background .15s,border-color .15s}.dropzone.dragging{background:#eef5ff;border-color:var(--accent)}.upload-icon{width:54px;height:54px;margin-bottom:15px;fill:none;stroke:#465366;stroke-linecap:round;stroke-linejoin:round;stroke-width:3.5}.dropzone h2{max-width:100%;margin:0 0 10px;overflow-wrap:anywhere;font-size:22px;line-height:1.35}.file-picker{padding:4px;color:var(--accent);cursor:pointer;font-size:18px;text-decoration:underline;text-underline-offset:4px}.dropzone input{position:absolute;width:1px;height:1px;opacity:0}.dropzone p{margin:17px 0 0;color:var(--muted);font-size:16px}.settings{min-width:0;padding:29px 30px;border-left:1px solid var(--border)}.settings h2{margin:0 0 27px;font-size:21px;letter-spacing:-.5px}.settings label{display:block;margin-bottom:10px;color:var(--muted);font-size:16px}.settings select{width:100%;height:49px;margin-bottom:22px;padding:0 13px;color:#12243e;background:#fff;border:1px solid var(--border);border-radius:6px;font-size:17px}.primary,.download{display:block;width:100%;min-height:54px;padding:16px 12px;color:#fff;background:var(--accent);border:0;border-radius:6px;font-size:19px;font-weight:600;text-align:center;text-decoration:none}.primary{margin-top:12px}.primary:hover,.download:hover{background:#0c51cd}.primary:disabled{cursor:wait;opacity:.55}.cancel{width:100%;padding:12px 4px;color:var(--muted);background:none;border:0}.download{margin-top:14px;background:#116746}#status{margin:15px 0 0;overflow-wrap:anywhere;font-size:14px;line-height:1.55}#status.error{color:#b32232}#status.success{color:#116746}.privacy{display:flex;margin:23px 0 31px;align-items:center;justify-content:center;gap:16px;color:var(--muted);font-size:16px;line-height:1.5}.privacy svg{width:22px;height:25px;flex-shrink:0;fill:none;stroke:currentColor;stroke-width:1.8}footer{display:flex;padding:27px 20px;flex-direction:column;gap:8px;text-align:center}footer strong{font-size:16px;letter-spacing:3px}footer span{color:#7b8ca5;font-size:14px}footer small{margin-top:8px;color:var(--muted);font-size:11px}footer a{color:inherit}button:disabled,select:disabled{cursor:not-allowed}body.busy .file-picker{pointer-events:none;opacity:.5}@media(max-width:1370px){.site-header,main{margin-inline:5.5%}}@media(max-width:760px){.site-header{height:74px}.brand{gap:10px;font-size:14px;letter-spacing:2px}.brand svg{width:28px;height:33px}.intro{padding:35px 0 29px}.intro h1{font-size:36px;letter-spacing:-1.2px}.converter{grid-template-columns:1fr}.settings{padding:24px;border-top:1px solid var(--border);border-left:0}.file-panel{padding:18px}.dropzone{min-height:250px;padding:20px}.settings h2{margin-bottom:22px}.primary{margin-top:3px}.privacy{padding:0 10px;align-items:flex-start;gap:10px;font-size:13px}.privacy svg{width:19px;height:22px}footer small{line-height:1.6}}@media(prefers-reduced-motion:reduce){*{transition:none!important}}.header-actions{display:flex;align-items:center;gap:18px}.header-tool-link{display:inline-flex;min-height:40px;padding:0 15px;align-items:center;justify-content:center;color:#0c1d38;font-size:14px;font-weight:700;text-decoration:none;background:#fff;border:1px solid var(--border);border-radius:6px}.header-tool-link:hover{color:var(--accent);border-color:#9db9eb}.header-tool-link:focus-visible{outline:3px solid #84b4ff;outline-offset:3px}@media(max-width:760px){.header-actions{gap:8px}.header-note{display:none}.header-tool-link{min-height:38px;padding:0 10px;font-size:12px}}