:root{color-scheme:light;--ink:#13223a;--sub:#738198;--line:#e8ecf2;--primary:#f06431;--primary-dark:#d94c1b;--blue:#111d30;--bg:#f6f8fc;--muted:#f7f9fc;--shadow:0 16px 45px rgba(19,34,58,.07)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif;-webkit-font-smoothing:antialiased}button,input,select{font:inherit}button{cursor:pointer}button:disabled{opacity:.5;cursor:not-allowed}a{text-decoration:none;color:inherit}.shell{max-width:1090px;margin:0 auto;padding:0 24px}.topbar{background:#fff;border-bottom:1px solid var(--line)}.topbar-content{height:80px;display:flex;justify-content:space-between;align-items:center}.brand{display:flex;align-items:center;gap:10px;font-size:22px;letter-spacing:-.9px;font-weight:810}.brand-highlight{color:var(--primary)}.brand-icon{height:38px;width:38px;display:grid;place-items:center;border-radius:11px;background:var(--primary);color:#fff}.brand-icon svg{width:25px;height:25px}.header-right{display:flex;align-items:center;gap:20px}.secure-note{color:#56715d;font-size:13px;font-weight:600;display:flex;align-items:center;gap:7px}.secure-dot{width:7px;height:7px;background:#3dbd79;border-radius:50%}.install-button{background:#fff;color:var(--ink);border:1px solid #d8dde6;border-radius:9px;padding:10px 15px;font-size:13px;font-weight:700}.hero{padding:66px 10px 38px;text-align:center}.hero-topline{display:flex;justify-content:center;align-items:center;gap:12px}.eyebrow{font-size:10px;color:#df5e2d;background:#fff1eb;letter-spacing:1.7px;font-weight:800;border-radius:25px;padding:7px 12px}.eyebrow-sub{color:#8690a1;font-size:10px;font-weight:800;letter-spacing:1.5px}.hero h1{font-size:clamp(35px,5vw,54px);letter-spacing:-2.5px;line-height:1.14;margin:19px 0 15px;font-weight:820}.hero h1 span{color:var(--primary)}.hero-desc{color:#647188;font-size:16px;line-height:1.65;max-width:605px;margin:0 auto}.hero-desc strong{color:#344259;font-weight:700}.benefits{margin-top:24px;display:flex;justify-content:center;flex-wrap:wrap;gap:26px;font-size:12.5px;font-weight:600;color:#637087}.benefits span{display:inline-flex;align-items:center;gap:6px}.check-symbol{color:#27a66b;font-size:17px}.workspace,.results{scroll-margin-top:24px}.workspace{background:#fff;border:1px solid #e4e8ee;border-radius:18px;padding:26px 28px 28px;box-shadow:var(--shadow)}.steps{display:flex;align-items:center;justify-content:center;gap:16px;margin-bottom:28px}.step{display:flex;align-items:center;gap:9px;color:#9aa5b4;font-size:12px;font-weight:700;white-space:nowrap}.step span{height:25px;width:25px;border-radius:50%;background:#f1f3f6;display:grid;place-items:center;color:#8b96a7;font-size:10px}.step.active{color:#df5926}.step.active span{background:#fff0e8;color:#e25c2e}.step-separator{height:1px;width:65px;background:#e6e9ee}.upload-zone{border:2px dashed #d8dde7;min-height:325px;border-radius:13px;background:#fbfcff;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:28px 14px;text-align:center;transition:.2s}.upload-zone:hover,.upload-zone:focus-visible,.upload-zone.drag-over{border-color:#f06431;background:#fff9f5;outline:0}.upload-icon svg{width:75px;height:75px}.upload-zone h2{font-size:20px;letter-spacing:-.5px;margin:8px 0 6px}.upload-zone p{color:#828da2;margin:0;font-size:13px}.upload-zone p strong{color:#657289}.button{display:inline-flex;align-items:center;justify-content:center;gap:10px;border-radius:10px;padding:13px 21px;font-size:13px;font-weight:740;border:1px solid transparent;transition:.16s}.button svg,.export-option svg,.button-download svg{fill:none;stroke:currentColor;stroke-linecap:round;stroke-linejoin:round;stroke-width:1.8;width:18px;height:18px}.button-primary{margin:20px 0 14px;background:var(--primary);color:white;box-shadow:0 8px 16px rgba(240,100,49,.18)}.button-primary:hover,.button-download:hover{background:var(--primary-dark);transform:translateY(-1px)}.upload-zone .file-types{font-size:11px;color:#a2aabb}.alert{padding:14px 16px;border-radius:10px;margin-top:15px;font-size:13px}.alert.error{background:#fff1f0;color:#af3131;border:1px solid #ffc8c4}.alert.processing{background:#eef4ff;color:#2b528f;display:flex;align-items:center;gap:10px}.alert[hidden]{display:none!important}.spinner{height:15px;width:15px;display:inline-block;border:2px solid #b1caed;border-top-color:#2757ae;border-radius:50%;animation:spin .7s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.results{margin-top:58px}.section-head,.export-head,.preview-heading{display:flex;justify-content:space-between;align-items:center;gap:15px}.section-kicker{font-size:10px;letter-spacing:1.6px;color:var(--primary);font-weight:850}.section-head h2,.how h2{font-size:27px;letter-spacing:-1.15px;margin:9px 0}.section-head p,.export-head p,.preview-heading p{font-size:13px;color:#7b879a;margin:0}.button-secondary{background:white;border:1px solid #e1e6ef;color:#4d5a6e}.button-secondary:hover{background:#f3f5f9}.stats-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin:23px 0}.stat-card{background:#fff;border:1px solid var(--line);border-radius:13px;padding:19px 23px}.stat-top{font-size:12px;color:#8290a4;display:flex;align-items:center;justify-content:space-between}.stat-icon{color:#a8b1c1;font-size:19px}.stat-icon.orange{color:var(--primary)}.stat-number{font-size:36px;font-weight:800;letter-spacing:-1.5px;margin-top:5px}.export-panel,.preview-panel{background:#fff;border:1px solid var(--line);border-radius:15px;padding:26px;margin-top:20px}.export-head h3,.preview-heading h3{font-size:18px;letter-spacing:-.5px;margin:0 0 6px}.size-chip{background:#f0f5ff;border-radius:25px;font-size:11px;font-weight:800;color:#59729e;padding:8px 13px;white-space:nowrap}.export-options{display:grid;grid-template-columns:repeat(3,1fr);gap:13px;margin:22px 0}.export-option{border:1.5px solid #e5e9ef;border-radius:12px;padding:17px 14px;display:flex;align-items:center;gap:11px;cursor:pointer;transition:.17s;min-width:0}.export-option.selected{background:#fff9f6;border-color:var(--primary)}.export-option input{position:absolute;opacity:0;pointer-events:none}.export-option:focus-within{outline:3px solid #ffceba}.export-option .option-icon{width:34px;height:34px;border-radius:9px;background:#f3f5f9;display:grid;place-items:center;flex-shrink:0;color:#7c8a9d}.export-option.selected .option-icon{background:#ffe8de;color:var(--primary)}.export-option strong{font-size:12px;display:block;white-space:normal}.export-option small{font-size:10px;color:#8290a4;display:block;margin-top:5px;line-height:1.4}.option-check{margin-left:auto;height:17px;width:17px;border-radius:50%;border:1.8px solid #d9dfe8;flex-shrink:0}.selected .option-check{border:5px solid var(--primary);background:#fff}.button-download{width:100%;background:var(--primary);color:white;padding:17px 20px;font-size:15px;box-shadow:0 7px 18px rgba(240,100,49,.15)}.download-arrow{margin-left:auto;font-size:21px;font-weight:400}.button-download svg{margin-left:auto}.preview-heading{margin-bottom:23px}.count-label{font-size:12px;font-weight:700;color:#7c8799;background:#f2f4f8;border-radius:20px;padding:6px 11px;white-space:nowrap}.preview-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(185px,1fr));gap:16px}.preview-card{min-width:0;border:1px solid #e6eaf1;border-radius:11px;padding:12px;background:#fff}.preview-card-top{display:flex;justify-content:space-between;align-items:center;gap:8px;padding:0 0 11px}.preview-number{font-size:10px;font-weight:800;color:#8a95a6;white-space:nowrap}.kind-select{appearance:none;padding:6px 14px 6px 8px;border-radius:7px;border:1px solid #e2e6eb;background:#f8f9fc;font-size:11px;font-weight:700;color:#4c5d70;cursor:pointer;max-width:105px}.preview-paper{background:#e9edf3;border-radius:6px;padding:12px;display:flex;justify-content:center;align-items:center;min-height:225px}.preview-paper canvas{display:block;width:100%;max-width:140px;height:auto;aspect-ratio:2/3;background:white;box-shadow:0 5px 15px #17273a14;image-rendering:auto}.preview-filename{font-size:10px;color:#9aA5b5;margin-top:12px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.tip-box{border:1px solid #dfe7f1;background:#eff5fc;border-radius:12px;padding:17px 21px;display:flex;gap:13px;margin-top:20px}.tip-icon{color:#4271ad;font-size:20px}.tip-box strong{color:#355987;font-size:13px}.tip-box p{font-size:12px;color:#6c819d;line-height:1.6;margin:5px 0 0}.how{padding:79px 2px 78px}.how h2{max-width:550px}.how-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:30px}.how-grid article{background:#fff;border:1px solid var(--line);border-radius:13px;padding:25px;min-height:170px}.how-num{font-weight:850;color:var(--primary);font-size:12px}.how-grid h3{font-size:15px;margin:16px 0 7px}.how-grid p{font-size:12px;line-height:1.65;color:#7c899d;margin:0}.footer{background:#fff;border-top:1px solid var(--line)}.footer-inner{min-height:70px;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:6px;font-size:11px;color:#98a2b2}.footer-inner span span{color:#31bd79}@media(max-width:850px){.export-options{grid-template-columns:1fr}.export-option strong{font-size:13px}.step-separator{width:20px}}@media(max-width:600px){.shell{padding:0 15px}.topbar-content{height:65px}.brand{font-size:19px}.brand-icon{width:33px;height:33px}.secure-note{font-size:10px}.install-button{font-size:11px;padding:8px}.header-right{gap:8px}.hero{padding:42px 0 32px}.hero h1{font-size:37px;letter-spacing:-1.8px}.hero-desc{font-size:13px}.benefits{gap:11px;font-size:10px}.workspace{padding:17px 13px}.steps{gap:8px}.step{font-size:9px;gap:5px}.step span{width:21px;height:21px}.step-separator{width:9px}.upload-zone{min-height:300px}.upload-zone h2{font-size:17px}.section-head h2{font-size:22px}.section-head{align-items:flex-start}.button-secondary{font-size:11px;padding:9px 11px}.stats-grid{gap:8px}.stat-card{padding:14px 11px}.stat-top{font-size:9px;gap:4px}.stat-icon{display:none}.stat-number{font-size:27px}.export-panel,.preview-panel{padding:17px 14px}.export-head{align-items:flex-start}.export-head h3{font-size:17px}.size-chip{font-size:9px;padding:7px 8px}.preview-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:9px}.preview-paper{min-height:190px;padding:9px}.preview-card{padding:9px}.preview-number{font-size:8px}.kind-select{font-size:10px;max-width:81px}.how{padding:57px 0}.how-grid{grid-template-columns:1fr;gap:12px}.how-grid article{min-height:0}.footer-inner{padding-top:18px;padding-bottom:18px;line-height:1.7}}
/* Upload / paste modes. Independent of back-end services. */
.input-tabs{display:flex;gap:8px;margin:2px 0 14px;padding:5px;background:#f3f5f9;border-radius:12px}
.input-tab{flex:1;min-width:0;border:0;border-radius:9px;padding:12px 10px;background:transparent;color:#7b8799;font-size:12px;font-weight:750;transition:background .15s,color .15s}
.input-tab:hover{color:#26354d}.input-tab.active{color:#233450;background:white;box-shadow:0 1px 5px #101b3016}
.paste-panel{background:#fbfcff;border:2px dashed #d8dde7;border-radius:13px;padding:24px}
.paste-panel[hidden]{display:none}
.paste-panel label{font-size:13px;color:#657187;font-weight:700;display:block;margin-bottom:12px}
.paste-panel textarea{display:block;resize:vertical;width:100%;min-height:220px;font:12px/1.6 ui-monospace,SFMono-Regular,Consolas,monospace;border:1px solid #dde3ec;border-radius:10px;padding:16px;color:#202f44;background:#fff;outline-offset:2px}
.paste-panel textarea:focus{outline:2px solid #f06431}
.paste-footer{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:8px;margin-top:12px}.paste-footer span{font-size:11px;color:#8591a1}.paste-footer .button-primary{margin:0}
.preview-more{margin-top:16px;display:block;width:100%;background:white;border:1px solid #dde3ec;border-radius:10px;padding:12px;color:#384860;font-weight:720;font-size:13px}
.preview-more:hover{background:#f7f9fc}
@media(max-width:600px){.input-tab{font-size:11px;padding:11px 4px}.paste-panel{padding:13px}.paste-footer .button{width:100%}}

.preview-more[hidden]{display:none}