:root{color-scheme:light;font-family:Inter,"Segoe UI",Arial,sans-serif;color:#1d2939;background:#f5f7fa;font-synthesis:none}
*{box-sizing:border-box}body{margin:0}button,input{font:inherit}button,a{-webkit-tap-highlight-color:transparent}[hidden]{display:none!important}
.topbar{height:78px;border-bottom:1px solid #e1e6ee;background:#fff;display:flex;align-items:center;justify-content:space-between;padding:0 max(28px,calc((100vw - 1260px)/2))}
.brand{display:flex;align-items:center;gap:11px;text-decoration:none;color:#172331;font-size:18px;font-weight:650;letter-spacing:-.4px}.brand-icon{width:33px;height:33px;display:grid;place-items:center;background:#274bdb;color:#fff;border-radius:10px;font-size:24px}.badge{font-size:12px;color:#65748b;border:1px solid #e1e6ee;padding:6px 10px;border-radius:6px}
main{max-width:1260px;margin:0 auto;padding:49px 28px 28px}.eyebrow{font-size:11px;color:#5267a3;letter-spacing:1.5px;font-weight:700}h1{font-size:39px;letter-spacing:-1.6px;font-weight:650;margin:14px 0 12px;line-height:1.15}.intro>p{color:#65748b;font-size:15px;margin:0;line-height:1.7}.workspace{display:grid;grid-template-columns:350px minmax(0,1fr);gap:24px;align-items:start;margin-top:32px}
.upload-card,.preview-card{background:#fff;border:1px solid #e2e7ee;border-radius:14px;box-shadow:0 3px 12px #182c4510}.upload-card{padding:25px}.card-heading{display:flex;align-items:center;gap:10px}.step{font-size:11px;color:#7b889d;background:#f0f3f8;border-radius:5px;padding:5px 6px;font-weight:600}h2{margin:0;font-size:15px;font-weight:650;letter-spacing:-.2px}.drop-zone{border:1.5px dashed #cad3e2;background:#fafbfe;border-radius:10px;text-align:center;padding:29px 14px 21px;margin-top:25px;transition:background .15s,border-color .15s}.drop-zone.dragging{background:#edf1ff;border-color:#274bdb}.email-icon{color:#879ac0}.drop-title{font-size:14px;font-weight:600;margin:12px 0 6px}.drop-subtitle{font-size:12px;color:#7b889d;margin:0 0 17px}.button{min-height:42px;border-radius:7px;border:1px solid transparent;display:inline-flex;align-items:center;justify-content:center;gap:12px;padding:10px 15px;font-size:13px;font-weight:600;cursor:pointer;text-decoration:none;transition:background .15s;line-height:1.2}.button-secondary{background:#fff;border-color:#d6deea;color:#3c4a60}.button-secondary:hover{background:#f0f3fa}.button-primary{background:#274bdb;color:#fff}.button-primary:hover{background:#1e3ebd}.button:disabled{background:#e6ebf4;color:#99a4b5;cursor:not-allowed}.file-limit{display:block;font-size:11px;color:#8893a5;margin-top:16px}.selected-file{display:flex;align-items:center;gap:10px;margin-top:17px;border:1px solid #e2e7ee;border-radius:8px;padding:12px;background:#fbfcfe}.file-icon{font-size:22px;color:#5270d6}.selected-file>div{min-width:0}.selected-file strong{display:block;font-size:12px;overflow-wrap:anywhere;font-weight:550}.selected-file span:not(.file-icon){display:block;font-size:11px;color:#7b889d;margin-top:5px}#render-button{width:100%;margin-top:20px;justify-content:space-between}.status{font-size:12px;color:#7b889d;line-height:1.6;margin:12px 0 0}.error{font-size:12px;color:#9b2525;border-radius:7px;background:#fff2f2;border:1px solid #f5dddd;padding:11px;line-height:1.6;margin:12px 0 0}.note{display:flex;align-items:start;gap:8px;border-top:1px solid #edf0f5;margin-top:22px;padding-top:18px;color:#7b889d}.note>span{color:#4a8b73;font-size:13px;margin-top:1px}.note>p{font-size:11px;line-height:1.7;margin:0}.key-field{margin-top:18px}.key-field label{font-size:12px;font-weight:600;display:block;margin-bottom:7px}.key-field input{width:100%;border:1px solid #cad3e2;border-radius:7px;padding:11px;font-size:12px}.key-field p{color:#7b889d;font-size:11px;line-height:1.5;margin:7px 0 0}.spinner{width:15px;height:15px;border:2px solid #ffffff60;border-top-color:#fff;border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}
.preview-card{overflow:hidden;min-height:525px}.preview-heading{padding:24px 25px;border-bottom:1px solid #edf0f5;display:flex;justify-content:space-between;align-items:center}.ready-badge{font-size:11px;color:#258064;background:#eaf8f1;padding:5px 8px;border-radius:5px}.empty-preview{min-height:440px;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:25px}.paper-icon{width:67px;height:87px;border:1.5px solid #d5deec;border-radius:7px;background:#fafbfe;box-shadow:6px 6px 0 #f0f3f8;padding:25px 13px 15px;margin-bottom:20px}.paper-icon>span{display:block;height:2px;background:#d8e1f0;margin-bottom:9px;border-radius:2px}.paper-icon>span:last-child{width:65%}h3{font-size:14px;font-weight:550;margin:0 0 9px}.empty-preview>p{font-size:12px;color:#8994a7;line-height:1.8;margin:0}.result-toolbar{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:18px 25px 10px}.result-toolbar>p{font-size:12px;color:#65748b;line-height:1.7;margin:0}.button-download{white-space:nowrap}.page-controls{display:flex;align-items:center;gap:10px;padding:12px 25px 18px}.page-button{border:1px solid #dde4ef;border-radius:6px;background:#fff;color:#43536c;width:30px;height:30px;cursor:pointer}.page-button:disabled{color:#c4ccda;cursor:not-allowed}#page-label{font-size:12px;color:#65748b}#open-pdf{font-size:12px;color:#5267a3;text-decoration:none;margin-left:auto}.page-preview{background:#edf1f6;border-top:1px solid #e2e7ee;padding:25px;min-height:360px;text-align:center}#page-image{display:block;width:100%;height:auto;background:#fff;box-shadow:0 2px 10px #10203414}#preview-loading{color:#65748b;font-size:12px}footer{font-size:11px;color:#8994a7;margin-top:25px;line-height:1.7}button:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid #99aaff;outline-offset:3px}
@media(max-width:850px){.workspace{grid-template-columns:300px minmax(0,1fr);gap:18px}.upload-card{padding:20px}.result-toolbar{align-items:start;flex-direction:column}.button-download{width:100%}.page-preview{padding:14px}.page-controls{padding-left:18px;padding-right:18px}}
@media(max-width:680px){.topbar{height:66px;padding:0 20px}main{padding:32px 20px}.workspace{grid-template-columns:1fr;margin-top:25px}h1{font-size:32px}.intro>p{font-size:14px}.drop-zone{padding:22px 14px}.preview-card{min-height:390px}.empty-preview{min-height:300px}.result-toolbar{flex-direction:row;align-items:center;padding:16px 18px 8px}.button-download{width:auto;font-size:12px;padding:9px 11px}.preview-heading{padding:20px}.page-preview{padding:12px}}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}