:root{font-family:'Malgun Gothic','Apple SD Gothic Neo',system-ui,sans-serif;color:#202431;background:#f6f7fb;font-synthesis:none;--accent:#5942d8;--line:#e2e5ed}*{box-sizing:border-box}body{margin:0}button,input,a{font:inherit}button{border:1px solid var(--line);background:white;color:#343949;padding:11px 16px;border-radius:8px;cursor:pointer;font-size:14px;min-height:44px}button:hover{background:#f0f1f6}button:active{transform:translateY(1px)}button:disabled{opacity:.5;cursor:default;transform:none}button:focus-visible,a:focus-visible,[tabindex]:focus-visible{outline:3px solid #a99aff;outline-offset:3px}input:focus{outline:2px solid var(--accent);outline-offset:1px}::selection{background:#ded7ff}input{caret-color:var(--accent)}.primary{background:var(--accent);border-color:var(--accent);color:white;font-weight:700}.primary:hover{background:#4933bd}header{height:82px;background:white;border-bottom:1px solid var(--line);display:flex;align-items:center;gap:24px;padding:0 5vw}.brand{display:flex;gap:10px;align-items:center;font-size:18px}.brand svg{width:30px;height:30px;stroke:var(--accent);fill:none;stroke-width:1.7}header>span{font-size:13px;color:#5c6374}header>button{margin-left:auto}main{max-width:1260px;padding:32px 32px 24px;margin:auto}nav{display:flex;gap:8px;border-bottom:1px solid var(--line);padding-bottom:16px}.tab{border-color:transparent;background:transparent;font-weight:700}.tab.active{background:#f1eeff;color:#39238c;border-color:#d6cef8}.intro{margin:32px 0 28px}h1{font-size:28px;line-height:1.4;letter-spacing:-.025em;margin:0 0 10px}p{line-height:1.7}.intro p{color:#5c6374;margin:0;font-size:15px}.workspace{display:grid;grid-template-columns:minmax(0,1fr) 330px;gap:28px;align-items:start}.files,aside{background:white;border:1px solid var(--line);border-radius:14px;padding:24px}#drop{border:1.5px dashed #b6a9f0;border-radius:10px;padding:28px 16px;display:flex;flex-direction:column;align-items:center;text-align:center;gap:10px;background:#fcfbff;cursor:pointer}#drop.over{background:#f1eeff;border-color:var(--accent)}#drop>svg{height:30px;width:30px;stroke:var(--accent);fill:none;stroke-width:1.6}#drop>span{font-size:12px;color:#5c6374}.drop-actions{display:flex;gap:8px;margin-top:8px}h2{font-size:16px;margin:0;line-height:1.5}.list-heading{display:flex;justify-content:space-between;align-items:center;margin:28px 0 12px;gap:12px}.list-heading>span{font-size:12px;color:#5c6374}#count{color:var(--accent);margin-left:4px}#list{padding:0;margin:0;list-style:none}#list li{padding:14px 0;border-top:1px solid var(--line);display:flex;gap:12px;align-items:center}#list li.selected{background:#f6f4ff}#list li>div{min-width:0;flex:1}.filename{display:block;font-weight:600;font-size:14px;overflow-wrap:anywhere}.fileinfo{font-size:12px;color:#5c6374;margin:4px 0}.filecontrols{display:flex;gap:4px;flex:none!important}.filecontrols button{padding:6px;min-width:36px;min-height:36px;font-size:12px}.filecontrols svg{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:1.7}.file-name-edit{width:100%;margin-top:5px;min-height:38px;padding:8px!important;font-size:13px}#empty{color:#5c6374;text-align:center;font-size:14px;margin:28px 0 12px}aside h2{margin-bottom:24px}label{display:block;font-size:13px;font-weight:700;margin:20px 0 8px}input{width:100%;padding:12px;border:1px solid #cdd2de;border-radius:7px;min-height:44px;background:white;color:#202431}.password{display:flex;gap:6px}.password input{min-width:0}.hint{font-size:12px;color:#5c6374;margin:8px 0 20px}.action{margin-top:28px;display:grid;gap:10px}.action button{width:100%}#status{font-size:13px;color:#5c6374;margin:0;overflow-wrap:anywhere}#status.error{color:#aa2135}.download{display:block;background:#edf7f1;color:#17623b;padding:12px;border-radius:7px;text-align:center;font-size:14px;font-weight:700;text-underline-offset:3px}.offsets{display:flex;gap:12px}.offsets label{width:50%}summary{cursor:pointer;font-size:13px;padding:12px 0}#checks label{font-size:12px;display:flex;gap:8px;align-items:center;margin:6px 0;font-weight:400}#checks input{width:18px;min-height:18px;accent-color:var(--accent)}footer{margin-top:28px;font-size:12px;color:#5c6374}footer p{margin:5px 0}footer a{display:inline-block;color:#5942d8;margin-top:8px;text-underline-offset:3px}#previewsection{margin-top:24px}.preview-heading{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}#pages{background:#e7e9f0;max-height:75vh;overflow:auto;padding:20px;display:flex;align-items:center;flex-direction:column;gap:20px}#pages canvas{max-width:100%;height:auto;box-shadow:0 4px 16px #20243115}[hidden]{display:none!important}@media(max-width:820px){header{padding:0 20px;gap:12px}header>span{display:none}main{padding:22px 16px}.workspace{grid-template-columns:1fr;gap:16px}h1{font-size:24px}.files,aside{padding:18px}.intro{margin:24px 0}.list-heading>span{display:none}#pages{padding:10px}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}button:active{transform:none}}
.password button{flex:none;white-space:nowrap;min-width:58px}
@media(max-width:820px){.filecontrols button{min-width:44px;min-height:44px}nav{gap:4px}.tab{padding:10px 12px;font-size:13px}}

.browsernotice{margin:24px 0;padding:20px;background:#fff;border:1px solid #b6a9f0;border-radius:12px}.browsernotice p{font-size:14px;max-width:65ch}.browsernotice input{max-width:410px}.external-browser{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:10px 16px;border-radius:8px;background:#5942d8;color:#fff;font-weight:700;text-decoration:none}.external-browser:hover{background:#4933bd}#downloadhelp .hint{margin-bottom:0}