:root{--ink:#102a43;--muted:#52677b;--paper:#f7fafc;--white:#fff;--navy:#16324f;--blue:#246b98;--teal:#0f766e;--gold:#f0b429;--line:#d8e2ea;--soft:#eaf4f7;--danger:#a61b1b;--shadow:0 12px 30px rgba(16,42,67,.10);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink);background:var(--paper)}*{box-sizing:border-box}body{margin:0;min-height:100vh;background:linear-gradient(135deg,#f6fbfd 0%,#edf4f7 55%,#fff8e7 100%);line-height:1.55}.skip-link{position:fixed;left:1rem;top:-5rem;z-index:99;background:#fff;padding:.8rem 1rem;border:2px solid var(--navy);border-radius:.5rem}.skip-link:focus{top:1rem}.topbar{display:flex;justify-content:space-between;gap:2rem;align-items:center;padding:1.2rem clamp(1rem,4vw,3rem);background:var(--navy);color:#fff;border-bottom:6px solid var(--gold)}h1{font-size:clamp(1.45rem,3vw,2.2rem);margin:.1rem 0}.eyebrow{letter-spacing:.1em;font-size:.75rem;font-weight:800;color:#8fdae0;margin:0}.subtitle{margin:.2rem 0;color:#d9e8ef}.top-actions{display:flex;gap:.6rem;flex-wrap:wrap}.app-shell{display:grid;grid-template-columns:minmax(230px,285px) 1fr;max-width:1450px;margin:0 auto;min-height:calc(100vh - 118px)}.sidebar{padding:1.5rem 1rem;background:rgba(255,255,255,.88);border-right:1px solid var(--line);position:sticky;top:0;align-self:start;max-height:calc(100vh - 1rem);overflow:auto}.progress-label{display:flex;justify-content:space-between;font-size:.85rem}.progress-track{height:8px;background:#dfe9ee;border-radius:99px;overflow:hidden;margin:.45rem 0 1.2rem}.progress-track div{height:100%;width:0;background:linear-gradient(90deg,var(--teal),#2ca6a4);transition:width .25s}.sidebar ol{list-style:none;padding:0;margin:0}.sidebar button{width:100%;text-align:left;border:0;background:transparent;color:var(--muted);padding:.65rem .75rem;border-radius:.65rem;margin:.08rem 0;font-weight:650}.sidebar button:hover,.sidebar button:focus-visible{background:#edf6f8;color:var(--ink)}.sidebar button.active{background:var(--navy);color:#fff}.sidebar button.done::after{content:" ✓";color:#50d3c8}.privacy-note{font-size:.78rem;color:var(--muted);border-top:1px solid var(--line);padding-top:1rem}main{padding:clamp(1rem,3vw,2.4rem);max-width:1050px;width:100%;margin:0 auto}.panel{display:none;background:rgba(255,255,255,.94);border:1px solid #dbe5eb;border-radius:1.2rem;padding:clamp(1.1rem,3vw,2.2rem);box-shadow:var(--shadow);min-height:560px}.panel.active{display:block;animation:rise .22s ease-out}@keyframes rise{from{opacity:.4;transform:translateY(8px)}to{opacity:1;transform:none}}h2{font-size:clamp(1.45rem,2.5vw,2rem);margin:.4rem 0 1rem;line-height:1.2}h3{margin:.3rem 0}.step-tag{display:inline-block;background:#dff5f3;color:#075e58;border-radius:99px;padding:.25rem .7rem;font-weight:800;font-size:.8rem}.hero-grid,.rule-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem;margin:1.5rem 0}.rule-grid{grid-template-columns:repeat(2,1fr)}.feature,.rule-grid article{border:1px solid var(--line);border-radius:1rem;padding:1.1rem;background:#fbfdfe}.feature span{display:grid;place-items:center;width:2.1rem;height:2.1rem;border-radius:50%;background:var(--gold);font-weight:900}.callout{border-left:5px solid var(--gold);background:#fff8df;padding:1rem;margin:1.2rem 0;border-radius:.4rem}.matrix{display:grid;grid-template-columns:1.4fr .7fr 1.4fr;border:1px solid var(--line);border-radius:.8rem;overflow:hidden;margin:1rem 0}.matrix>*{padding:.75rem;border-bottom:1px solid var(--line)}.matrix-head{font-weight:800;background:var(--navy);color:#fff}.status{font-size:.78rem;font-weight:800;padding:.2rem .5rem;border-radius:99px}.status.yes{background:#d8f3e8;color:#11653f}.status.partial{background:#fff1c2;color:#755300}.status.no{background:#fde3e3;color:#8b1717}.check-card,.release-check,.mini-case{border:1px solid var(--line);border-radius:.8rem;padding:1rem;margin:1rem 0;background:#fbfdfe}.check-card label,.release-check label,.mini-case label{display:block;padding:.45rem 0}.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1rem;margin:1.2rem 0}.form-grid label,.block-label{font-weight:750;color:var(--ink)}.wide{grid-column:1/-1}input[type=text],input[type=number],select,textarea{width:100%;margin-top:.35rem;border:1px solid #aebfcb;border-radius:.55rem;padding:.7rem;font:inherit;background:#fff;color:var(--ink)}textarea{resize:vertical}input:focus,select:focus,textarea:focus,button:focus-visible,a:focus-visible{outline:3px solid #7ac7e8;outline-offset:2px}button,.download-link{border:1px solid #9aafbd;background:#fff;color:var(--ink);border-radius:.55rem;padding:.65rem .9rem;font-weight:750;cursor:pointer;text-decoration:none;display:inline-block}.primary{background:var(--blue);border-color:var(--blue);color:#fff}.ghost{background:transparent;color:#fff;border-color:#9db2c2}.danger{border-color:#e7a3a3}.choice-row{display:flex;gap:.5rem;flex-wrap:wrap;margin:1rem 0}.choice-row button.selected{background:var(--navy);color:#fff}.toggle{display:block;margin:.7rem 0}.result{margin-top:1.2rem;border:1px solid #b9d9df;background:#f1fbfb;border-radius:.8rem;padding:1rem}.result pre,.persona-card pre{white-space:pre-wrap;overflow-wrap:anywhere;background:#102a43;color:#eef8fc;padding:1rem;border-radius:.6rem;max-height:430px;overflow:auto}.hidden{display:none}.result-head{display:flex;justify-content:space-between;gap:1rem;align-items:center}.copy-btn{margin-top:.5rem}.code-result{min-height:160px}.persona-card{border:1px solid var(--line);border-radius:1rem;padding:1rem;background:#fbfdfe}.feedback{font-weight:750}.feedback.good{color:#11653f}.feedback.bad{color:var(--danger)}.pager{display:flex;justify-content:space-between;align-items:center;margin:1rem 0 2rem}.pager button:disabled{opacity:.45;cursor:not-allowed}#toast{position:fixed;right:1rem;bottom:1rem;background:#102a43;color:#fff;padding:.7rem 1rem;border-radius:.5rem;opacity:0;transform:translateY(10px);transition:.2s;pointer-events:none}#toast.show{opacity:1;transform:none}body.focus-mode .sidebar{display:none}body.focus-mode .app-shell{grid-template-columns:1fr}body.focus-mode .topbar .subtitle,body.focus-mode .topbar .eyebrow{display:none}code{background:#edf2f5;padding:.08rem .3rem;border-radius:.25rem}@media(max-width:780px){.topbar{align-items:flex-start;flex-direction:column;gap:.7rem}.app-shell{display:block}.sidebar{position:static;max-height:none;border-right:0;border-bottom:1px solid var(--line)}.sidebar ol{display:flex;overflow:auto;gap:.25rem}.sidebar li{min-width:max-content}.privacy-note{display:none}.hero-grid,.rule-grid,.form-grid{grid-template-columns:1fr}.wide{grid-column:auto}.matrix{grid-template-columns:1.1fr .8fr}.matrix>*:nth-child(3n){display:none}.panel{min-height:auto}}@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}

/* Level 1.1: genuine ByCS workflows and screenshot slots. */
.sidebar button.done::after{content:" ·";color:var(--teal)}
.sidebar button.active.done::after{color:#9ce5dc}
.source-note{font-size:.9rem;color:var(--muted);margin-top:1rem}
main:focus{outline:none}
a{color:#075e80}
a:hover{text-decoration-thickness:2px}
.shot{margin:1.15rem 0;padding:1rem 1.1rem;border:2px dashed #86aebc;border-radius:.85rem;background:repeating-linear-gradient(135deg,#f3f9fb,#f3f9fb 12px,#ecf5f8 12px,#ecf5f8 24px)}
.shot strong{display:block;font-size:1.05rem}
.shot p{margin:.2rem 0 0;color:var(--muted)}
.shot-number{display:inline-block;background:var(--navy);color:white;border-radius:99px;padding:.15rem .55rem;margin-bottom:.35rem;font-size:.78rem;font-weight:800}
.shot img{display:block;width:100%;height:auto;max-height:560px;object-fit:contain;background:white;margin-top:.8rem;border:1px solid var(--line);border-radius:.5rem}
.bycs-gallery{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1rem;align-items:start;margin:1.2rem 0}
.bycs-figure{margin:0;border:1px solid var(--line);border-radius:.85rem;background:#fbfdfe;padding:.7rem;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:.6rem}
.bycs-figure img{display:block;max-width:100%;max-height:490px;width:auto;height:auto;object-fit:contain;border:1px solid #edf2f5;border-radius:.35rem;background:white}
.bycs-figure.compact img{max-height:none}
.bycs-figure figcaption{width:100%;font-size:.88rem;color:var(--muted);line-height:1.45}
.bycs-figure .open-image{align-self:flex-start;font-size:.85rem}
.image-details{border:1px solid var(--line);border-radius:.8rem;padding:.75rem 1rem;margin:1rem 0;background:#fbfdfe}
.image-details summary{cursor:pointer;font-weight:750;color:var(--blue)}
.image-details .bycs-figure{margin-top:.8rem}
.transfer-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1rem;margin:1.2rem 0}
.transfer-grid article{border:1px solid var(--line);background:#fbfdfe;border-radius:.9rem;padding:1rem}
.transfer-grid article p{margin:.4rem 0 .8rem}
.check-card ul{list-style:none;padding:0;margin:.5rem 0}
.check-card li{padding:.25rem 0}
.done-item{color:#11653f}
.open-item{color:var(--muted)}
input[type=checkbox]{width:1.05rem;height:1.05rem;vertical-align:middle;accent-color:var(--teal)}
@media(max-width:780px){.transfer-grid,.bycs-gallery{grid-template-columns:1fr}.matrix{grid-template-columns:minmax(175px,1.2fr) minmax(180px,1fr) minmax(200px,1.2fr);overflow-x:auto}.matrix>*:nth-child(3n){display:block}.privacy-note{display:block}.sidebar ol{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));overflow:visible}.sidebar li{min-width:0}.sidebar button{font-size:.82rem;padding:.5rem .55rem;height:100%}}