@font-face{font-family:Manrope;src:url('assets/manrope-latin.woff2') format('woff2');font-style:normal;font-weight:200 800;font-display:swap}
:root{color-scheme:dark;--canvas:#0b0e12;--sidebar:#101318;--surface:#13161c;--elevated:#1a1e25;--hover:#252b34;--ink:#eaf0f7;--text:#beccd9;--muted:#a6b7c9;--line:#36485b;--control:#8297ad;--primary:#3b82f6;--primary-hover:#68a1ff;--on-primary:#0b0e12;--selected:#193b60;--focus:#a9d1ff;--success:#92ddb2;--shadow:0 10px 28px #0002;font:14px/1.6 Manrope,-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;color:var(--ink);background:var(--canvas)}
:root[data-theme=light]{color-scheme:light;--canvas:#f5f7fa;--sidebar:#fff;--surface:#fff;--elevated:#f0f4f8;--hover:#e6edf5;--ink:#172b3a;--text:#4e5d6b;--muted:#5d6b78;--line:#d7e0e9;--control:#7a8794;--primary:#245ec7;--primary-hover:#174aa6;--on-primary:#fff;--selected:#eaf2fb;--focus:#245ec7;--success:#206b42;--shadow:0 8px 24px #20304008}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:24px}body{margin:0;min-width:320px}button,select,input{font:inherit;color:inherit}button,a,input,select{touch-action:manipulation}button,a,select{-webkit-tap-highlight-color:transparent}a{color:inherit;text-decoration:none}button{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:10px 16px;border:1px solid var(--line);border-radius:9px;line-height:1.4;text-align:center;font-size:13px;font-weight:600;background:var(--elevated);cursor:pointer;transition:background .16s,border-color .16s}button:hover:not(:disabled),.secondary:hover{background:var(--hover)}button:disabled{background:var(--elevated);border-color:var(--line);color:var(--muted);cursor:var(--cursor-unavailable,default)}.primary{background:var(--primary);border-color:var(--primary);color:var(--on-primary)}.primary:hover:not(:disabled){background:var(--primary-hover);border-color:var(--primary-hover)}.secondary{background:transparent;border-color:var(--control)}.quiet{background:transparent;color:var(--muted);font-weight:500;border-color:transparent;white-space:nowrap}button:focus-visible,a:focus-visible,select:focus-visible,input:focus-visible,summary:focus-visible,.paper tr:focus-visible{outline:2px solid var(--focus);outline-offset:4px}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}[hidden]{display:none!important}.skip-link{position:fixed;top:12px;left:12px;z-index:20;transform:translateY(-150%);padding:10px 16px;background:var(--primary);color:var(--on-primary);border-radius:8px}.skip-link:focus{transform:none}
.demo-sidebar{position:fixed;inset-block:0;inset-inline-start:0;z-index:5;width:216px;padding:24px 18px;display:flex;flex-direction:column;background:var(--sidebar);border-inline-end:1px solid var(--line)}.brand{display:block;direction:ltr;unicode-bidi:isolate;width:154px;max-width:100%}.brand img{display:block;width:100%;height:auto}.logo-light{display:none!important}[data-theme=light] .logo-dark{display:none}[data-theme=light] .logo-light{display:block!important}.badge{align-self:flex-start;margin:16px 10px 24px;color:var(--muted);font-size:11px;font-weight:600;letter-spacing:.02em}.steps{display:grid;gap:8px;margin:0;padding:0;list-style:none}.steps li{display:flex;align-items:center;gap:10px;min-height:46px;padding:10px;color:var(--muted);font-size:13px;border-radius:9px}.step-index{display:grid;place-items:center;flex:none;width:24px;height:24px;border:1px solid var(--line);border-radius:7px;font-size:11px}.steps li.active{background:var(--selected);color:var(--ink);font-weight:650}.active .step-index{border-color:var(--focus);color:var(--focus)}.steps li.complete .step-index{color:var(--success);border-color:var(--success)}.sidebar-links{display:grid;gap:4px;margin-top:auto;padding-top:32px}.sidebar-links a{display:flex;align-items:center;min-height:44px;padding:10px;color:var(--muted);border-radius:8px;font-size:12px}.sidebar-links a:hover{background:var(--hover);color:var(--ink)}.sidebar-settings{display:flex;align-items:center;gap:8px;padding-top:14px;margin-top:16px;border-top:1px solid var(--line)}.theme-toggle{flex:0 0 44px;padding:10px;background:transparent}.theme-toggle svg{width:19px;height:19px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round}.language-picker{position:relative;display:block;min-width:0;flex:1}.language-picker::after{content:'';position:absolute;inset-inline-end:13px;top:50%;width:7px;height:7px;border-right:1.5px solid currentColor;border-bottom:1.5px solid currentColor;transform:translateY(-70%) rotate(45deg);pointer-events:none;color:var(--muted)}.language-picker select{appearance:none;-webkit-appearance:none;display:block;width:100%;height:44px;min-height:44px;padding-block:8px;padding-inline:12px 32px;border:1px solid var(--line);border-radius:9px;background:var(--surface);color:var(--ink);font-size:12px;line-height:1.4;cursor:pointer}.language-picker select:hover{background:var(--hover)}
main{margin-inline-start:216px;padding:36px clamp(24px,4vw,64px) 0;max-width:1600px}.intro{display:flex;align-items:flex-start;justify-content:space-between;gap:24px;margin-bottom:16px}.intro h1{margin:0;font-size:28px;font-weight:650;line-height:1.3;letter-spacing:-.035em}.intro p{margin:8px 0 0;color:var(--muted);font-size:13px;line-height:1.65}.notice{display:flex;align-items:flex-start;gap:9px;margin-bottom:28px;color:var(--muted);font-size:12px;line-height:1.65}.notice:before{content:'';flex:none;margin-top:7px;width:6px;height:6px;background:var(--success);border-radius:50%}.workspace{display:grid;grid-template-columns:minmax(300px,.95fr) minmax(0,1.05fr);align-items:start;gap:20px}.card{min-width:0;border:1px solid var(--line);border-radius:14px;background:var(--surface);box-shadow:var(--shadow)}.controls{padding:24px}.section-heading{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:22px}.section-heading h2{margin:0;font-size:16px;line-height:1.4;font-weight:650;letter-spacing:-.02em}.section-heading>span{flex:none;font-size:12px;color:var(--muted);font-variant-numeric:tabular-nums}#step-body>p{margin:0 0 16px;color:var(--text);font-size:13px;line-height:1.75}.sample-file{display:flex;flex-direction:column;align-items:center;gap:10px;width:100%;margin:22px 0 0;padding:28px 18px;border:1px dashed var(--control);border-radius:11px;background:var(--elevated)}.sample-file[aria-pressed=true]{border-style:solid;border-color:var(--focus);background:var(--selected)}.sample-file strong{display:block;font-size:14px;line-height:1.6;font-weight:600}.sample-file small{display:block;margin-top:4px;font-size:12px;font-weight:400;color:var(--muted)}.sample-icon{color:var(--muted)}.sample-icon svg{display:block;width:28px;height:28px;fill:none;stroke:currentColor;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}.sample-action{margin-top:6px;font-size:12px;color:var(--focus)}.actions{display:flex;align-items:stretch;justify-content:flex-end;gap:10px;margin-top:24px}.actions .primary{flex:1}.actions #back{flex:0 0 auto}#message{margin:12px 0 0;color:var(--success);font-size:12px;line-height:1.6}#message:empty{display:none}.field-choice{display:flex;align-items:flex-start;gap:10px;margin:12px 0;padding:14px;border:1px solid var(--control);border-radius:10px;font-size:13px;line-height:1.7;cursor:pointer}.field-choice:has(input:checked){border-color:var(--focus);background:var(--selected)}input[type=radio],input[type=checkbox]{width:18px;height:18px;flex:none;margin:2px 0 0;accent-color:var(--primary)}.checks{display:grid;gap:12px;margin-top:16px}.checks label{display:flex;align-items:flex-start;gap:9px;font-size:12px;line-height:1.7;color:var(--text);cursor:pointer}.change{margin:18px 0;padding:16px;background:var(--elevated);border:1px solid var(--line);border-radius:10px;font-size:13px}.change del,.change ins{display:block;margin-top:8px}.change del{color:var(--muted)}.change ins{color:var(--success);text-decoration:none;font-weight:650}#prompt{width:100%;margin:4px 0 12px;white-space:normal}.demo-review-checks{margin-top:24px;padding-top:16px;border-top:1px solid var(--line)}.demo-review-checks summary{font-size:12px;color:var(--muted);cursor:pointer}.muted{color:var(--muted);font-size:12px;line-height:1.7}
.preview{overflow:hidden}.preview .section-heading{flex-wrap:wrap;padding:16px 18px;margin:0;border-bottom:1px solid var(--line)}.tabs{display:flex;gap:3px;padding:3px;border:1px solid var(--line);border-radius:8px;background:var(--elevated)}.tabs button{min-height:34px;padding:6px 10px;border:0;border-radius:5px;background:transparent;color:var(--muted);font-size:11px;font-weight:500}.tabs button.active{background:var(--surface);color:var(--ink);box-shadow:0 1px 4px #0002}.document-stage{padding:24px;background:var(--elevated)}.paper{min-height:380px;padding:28px 22px;border:1px solid #dbe1e7;border-radius:3px;color:#172b3a;background:#fff;color-scheme:light;box-shadow:0 3px 16px #0001;overflow-wrap:anywhere}.paper .watermark{margin-bottom:24px;color:#5d6b78;font:500 9px/1.6 Manrope,Arial,sans-serif;letter-spacing:.06em;text-align:center}.paper h3{margin:0 0 24px;font:600 17px/1.6 Georgia,serif;text-align:center}.paper table{width:100%;border-collapse:collapse;font:13px/1.7 Georgia,serif}.paper td{padding:11px 9px;border:1px solid #d7e0e9;vertical-align:top}.paper td:first-child{width:42%;color:#4e5d6b}.paper tr{cursor:pointer}.paper tr.selected{background:#eaf2fb}.paper .stamp{margin-top:22px;padding:12px;border:1px dashed #8896a5;color:#4e5d6b;font:12px/1.7 Georgia,serif}.paper tr:focus-visible{outline-color:#245ec7;outline-offset:0}.preview>.muted{margin:0;padding:14px 18px;border-top:1px solid var(--line)}.downloads{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin-top:22px}.downloads a{display:flex;align-items:center;justify-content:center;min-height:46px;padding:10px 12px;border:1px solid var(--control);border-radius:9px;font-size:12px;font-weight:600;text-align:center;line-height:1.5}.downloads a:first-child{grid-column:1/-1;background:var(--primary);border-color:var(--primary);color:var(--on-primary)}.downloads a:hover{background:var(--hover)}.downloads a:first-child:hover{background:var(--primary-hover)}#step-body .demo-export-note{margin-top:18px;font-size:12px;color:var(--muted)}.about{padding:44px 0 32px;scroll-margin-top:24px}.about>h2{margin:0 0 20px;font-size:18px;letter-spacing:-.025em;font-weight:600}.about-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}.about article h3{margin:0 0 8px;font-size:13px;font-weight:600}.about article p{margin:0;font-size:12px;color:var(--muted);line-height:1.8}.about #disclaimer{margin:24px 0 0;max-width:100ch}footer{display:flex;min-height:56px;align-items:center;border-top:1px solid var(--line);color:var(--muted);font-size:11px}
[dir=rtl] .paper table,[dir=rtl] .paper .stamp{font-family:Tahoma,Arial,sans-serif}[dir=rtl] .paper h3{font-family:Tahoma,Arial,sans-serif}[dir=rtl] .badge,[dir=rtl] .paper .watermark{letter-spacing:0}
@media(min-width:1800px){main{margin-inline:auto;transform:translateX(108px)}[dir=rtl] main{transform:translateX(-108px)}}
@media(max-width:1100px){.demo-sidebar{width:184px;padding-inline:12px}.brand{width:144px}main{margin-inline-start:184px;padding:28px 24px 0}.workspace{grid-template-columns:minmax(0,1fr);gap:20px}.document-stage{padding:28px}.paper{max-width:560px;margin:auto}.about-grid{gap:18px}}
@media(max-width:700px){.demo-sidebar{position:static;width:auto;display:grid;grid-template-columns:1fr auto auto;gap:0 12px;padding:12px 18px 0;border-inline-end:0;border-bottom:1px solid var(--line)}.brand{width:126px;align-self:center}.badge{display:none}.sidebar-settings{grid-column:2/4;grid-row:1;margin:0;padding:0;border:0;justify-content:flex-end}.language-picker{flex:none;width:96px}.theme-toggle{border-color:transparent}.steps{grid-row:3;grid-column:1/-1;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:4px;margin:12px -8px 0;padding-bottom:10px}.steps li{flex-direction:column;gap:5px;min-height:60px;padding:8px 2px 6px;font-size:10px;line-height:1.5}.step-index{width:22px;height:22px;font-size:10px}.sidebar-links{grid-row:2;grid-column:1/-1;display:flex;justify-content:space-between;gap:8px;margin:8px -8px 0;padding:0}.sidebar-links a{min-height:36px;padding:6px 8px;font-size:11px}main{margin:0;padding:24px 18px 0}.intro{gap:12px;align-items:flex-start}.intro h1{font-size:23px}.intro p{font-size:12px}.intro #restart{min-height:36px;padding:6px 8px;font-size:11px}.notice{margin-bottom:20px;font-size:11px}.controls{padding:20px}.section-heading h2{font-size:15px}.document-stage{padding:18px}.paper{min-height:340px;padding:24px 16px}.preview .section-heading{padding:14px 16px;gap:10px}.tabs button{min-height:40px}.about{padding-top:32px}.about-grid{grid-template-columns:minmax(0,1fr);gap:22px}.about #disclaimer{font-size:11px}.sample-file{padding:24px 12px}.actions{flex-wrap:wrap}.actions button{font-size:12px}.downloads{grid-template-columns:minmax(0,1fr)}.downloads a:first-child{grid-column:auto}footer{font-size:10px}}
@media(max-width:360px){main{padding-inline:14px}.demo-sidebar{padding-inline:14px}.brand{width:116px}.sidebar-settings{gap:2px}.language-picker{width:90px}.controls{padding:16px}.intro{flex-wrap:wrap;gap:8px}.intro #restart{margin-inline-start:-8px}.paper{padding-inline:12px}.paper td{padding:9px 6px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{transition:none!important;animation:none!important}}

.demo-return{display:flex;margin:0 0 16px}.demo-return a{display:inline-flex;align-items:center;gap:8px;min-height:44px;color:var(--muted);font-size:12px}.demo-return a::before{content:'←';font-size:16px}.demo-return a:hover{color:var(--ink)}[dir=rtl] .demo-return a::before{content:'→'}

/* Compact unavailable cursor, shared by all disabled controls and their icons. */
:root{--cursor-unavailable:url("data:image/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20width%3D%2224%22%20height%3D%2224%22%20viewBox%3D%220%200%2024%2024%22%3E%3Ccircle%20cx%3D%2212%22%20cy%3D%2212%22%20r%3D%227%22%20fill%3D%22%23172B3A%22%20fill-opacity%3D%22.94%22%20stroke%3D%22%23F1F5F9%22%20stroke-width%3D%221.5%22%2F%3E%3Cpath%20d%3D%22M9%2012h6%22%20fill%3D%22none%22%20stroke%3D%22%23F1F5F9%22%20stroke-width%3D%221.7%22%20stroke-linecap%3D%22round%22%2F%3E%3C%2Fsvg%3E") 12 12, default}
:disabled,[aria-disabled="true"],:disabled *,[aria-disabled="true"] *{cursor:var(--cursor-unavailable,default)}

.stamp{white-space:pre-line}