:root{--bg:#fff;--bg-soft:#f5f5f5;--panel:#fff;--ink:#222;--muted:#666;--muted-soft:#999;--line:#dbdbdb;--line-soft:#e8e8e8;--accent:#f26c4f;--accent-hover:#e05a3d;--accent-soft:#fff1ed;--accent-mid:#ffd8cf;--dark:#222;--dark-hover:#313131;--ok:#1b7f4a;--danger:#c61a32;--shadow:0 8px 24px #2222220f;--radius:6px;color:var(--ink);background:var(--bg);font-family:Didact Gothic,Segoe UI,system-ui,sans-serif}*{box-sizing:border-box}html,body,#root{min-height:100%;margin:0}body{background:var(--bg)}button,input,select,textarea{font:inherit}a{color:var(--accent);text-decoration:none}a:hover{color:var(--accent-hover)}.app{max-width:1280px;margin:0 auto;padding:20px 20px 40px}.topbar{border-bottom:1px solid var(--line-soft);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px;margin-bottom:18px;padding-bottom:14px;display:flex}.brand{letter-spacing:.01em;align-items:center;gap:10px;font-weight:500;display:flex}.brand-link{color:var(--ink);align-items:center;gap:8px;font-size:1.15rem;text-decoration:none;display:inline-flex}.brand-link:hover{color:var(--accent)}.brand-link img{object-fit:contain;width:36px;height:36px}.brand-sep{color:var(--muted-soft);font-weight:400}.brand-page{color:var(--ink);font-size:1.05rem}.stats{color:var(--muted);flex-wrap:wrap;gap:16px;font-size:.95rem;display:flex}.stats strong{color:var(--accent);font-variant-numeric:tabular-nums}.steps{background:var(--bg-soft);border:1px solid var(--line-soft);border-radius:999px;align-items:center;gap:8px;margin-bottom:18px;padding:8px 10px;display:flex;overflow-x:auto}.step{color:var(--muted);cursor:pointer;white-space:nowrap;background:0 0;border:0;border-radius:999px;align-items:center;gap:8px;padding:8px 12px;display:inline-flex}.step:disabled{opacity:.45;cursor:not-allowed}.step.active{background:var(--panel);color:var(--ink);font-weight:700;box-shadow:0 1px 3px #22222214}.step.done{color:var(--accent)}.step-num{background:#eaeaea;border-radius:50%;place-items:center;width:24px;height:24px;font-size:.85rem;font-weight:700;display:inline-grid}.step.active .step-num{background:var(--dark);color:#fff}.step.done .step-num{background:var(--accent-soft);color:var(--accent);border:1px solid var(--accent-mid)}.step-line{background:var(--line);flex:1;min-width:24px;height:1px}.stage{min-height:60vh}.step-panel{background:var(--panel);border:1px solid var(--line-soft);border-radius:var(--radius);box-shadow:var(--shadow);padding:22px}.step-intro h1{letter-spacing:.01em;color:var(--ink);margin:0 0 6px;font-size:1.55rem;font-weight:500}.step-intro p{color:var(--muted);max-width:70ch;margin:0 0 18px;line-height:1.45}.step-intro.compact{margin-bottom:8px}.step-toolbar,.step-footer-actions,.step-toolbar-actions{flex-wrap:wrap;align-items:center;gap:10px;display:flex}.step-toolbar{border-bottom:1px solid var(--line-soft);justify-content:space-between;margin-bottom:16px;padding-bottom:14px}.step-footer-actions{border-top:1px solid var(--line-soft);justify-content:space-between;margin-top:20px;padding-top:16px}.cat-block+.cat-block{margin-top:28px}.cat-head{justify-content:space-between;align-items:baseline;gap:12px;margin-bottom:6px;display:flex}.cat-head h2{margin:0;font-size:1.2rem;font-weight:500}.cat-head span{color:var(--muted-soft);font-size:.9rem}.cat-desc{color:var(--muted);margin:0 0 14px;font-size:.95rem}.tile-grid{grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:12px;display:grid}.tile{text-align:left;border:1px solid var(--line-soft);border-radius:var(--radius);cursor:pointer;background:#fff;flex-direction:column;gap:8px;padding:10px;transition:border-color .2s,box-shadow .2s;display:flex}.tile:hover{border-color:var(--accent);box-shadow:0 6px 18px #f26c4f1f}.tile-thumb{aspect-ratio:4/3;background:var(--bg-soft);border-radius:4px;place-items:center;display:grid;overflow:hidden}.tile-thumb img{object-fit:contain;width:100%;height:100%}.tile-fallback{color:var(--muted-soft);letter-spacing:.04em;text-transform:uppercase;font-weight:700}.tile strong{color:var(--ink);font-size:.98rem;font-weight:500;line-height:1.25}.tile:hover strong{color:var(--accent)}.tile span{color:var(--muted);-webkit-line-clamp:3;-webkit-box-orient:vertical;font-size:.82rem;line-height:1.35;display:-webkit-box;overflow:hidden}.params{flex-direction:column;gap:16px;display:flex}.param-group{border:1px solid var(--line-soft);border-radius:var(--radius);background:#fff;margin:0;padding:12px 14px 16px}.param-group legend{color:var(--ink);padding:0 6px;font-weight:500}.param-grid{grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:12px 14px;display:grid}.field{flex-direction:column;gap:6px;display:flex}.field-label-row{justify-content:space-between;align-items:center;gap:8px;display:flex}.field-label{font-size:.92rem;font-weight:500}.field-label em{color:var(--muted-soft);font-style:normal;font-weight:400}.field input[type=number],.field input[type=text],.field select,.field textarea{border:1px solid var(--line);width:100%;color:var(--ink);background:#fff;border-radius:4px;padding:9px 11px}.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--accent);outline:none;box-shadow:0 0 0 2px #f26c4f2e}.field-hint{color:var(--muted-soft);font-size:.8rem;line-height:1.35}.info-btn{border:1px solid var(--line);background:var(--bg-soft);width:24px;height:24px;color:var(--muted);cursor:pointer;border-radius:50%;font-weight:700;line-height:1}.info-btn:hover{color:#fff;background:var(--accent);border-color:var(--accent)}.btn{vertical-align:top;box-sizing:border-box;color:#222;cursor:pointer;text-align:center;text-transform:none;white-space:nowrap;background:#fff;border:1px solid #222;border-radius:4px;justify-content:center;align-items:center;min-width:140px;height:48px;margin:0;padding:0 24px;font-family:Didact Gothic,sans-serif;font-size:16px;font-weight:500;line-height:1;transition:background-color .3s,color .3s,border-color .3s;display:inline-flex;position:relative}.btn:hover:not(:disabled){color:#fff;background:#f26c4f;border-color:#f26c4f}.btn:disabled{opacity:.5;cursor:not-allowed}.btn.primary,.btn.ghost{border-radius:4px;min-width:140px;height:48px;padding:0 24px;font-size:16px;font-weight:500}.btn.primary{color:#fff;background:#f26c4f;border-color:#f26c4f}.btn.primary:hover:not(:disabled){color:#fff;background:#222;border-color:#222}.btn.ghost{color:#222;background:#fff;border-color:#222}.btn.ghost:hover:not(:disabled){color:#fff;background:#f26c4f;border-color:#f26c4f}.btn.tiny{border-color:var(--line);color:#222;background:#fff;min-width:32px;height:32px;padding:0 10px;font-size:14px}.btn.tiny:hover:not(:disabled){color:#fff;background:#f26c4f;border-color:#f26c4f}.preview{border:1px solid var(--line-soft);border-radius:var(--radius);background:#fafafa;overflow:hidden}.preview-toolbar{border-bottom:1px solid var(--line-soft);background:#fff;align-items:center;gap:8px;padding:10px 12px;display:flex}.preview-viewport{cursor:grab;touch-action:none;background-color:#0000;background-image:linear-gradient(90deg,#2222220a 1px,#0000 1px),linear-gradient(#2222220a 1px,#0000 1px);background-position:0 0,0 0;background-repeat:repeat,repeat;background-size:24px 24px;background-attachment:scroll,scroll;background-origin:padding-box,padding-box;background-clip:border-box,border-box;height:420px;position:relative;overflow:hidden}.preview-viewport.tall{height:min(70vh,640px)}.preview-viewport:active{cursor:grabbing}.svg-stage{transform-origin:50%;place-items:center;padding:24px;display:grid;position:absolute;inset:0}.svg-stage svg,.svg-stage img{pointer-events:none;-webkit-user-select:none;user-select:none;width:auto;max-width:100%;height:auto;max-height:100%}.bbox{color:var(--muted);margin-left:auto;font-size:.88rem}.muted{color:var(--muted)}.center{place-items:center;display:grid;position:absolute;inset:0}.alert{color:var(--danger);background:#fff1f0;border:1px solid #f5c2c0;border-radius:4px;margin-bottom:14px;padding:12px 14px}.spinner{border:2px solid var(--accent-mid);border-top-color:var(--accent);border-radius:50%;width:16px;height:16px;animation:.7s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.footer{color:var(--muted);border-top:1px solid var(--line-soft);flex-wrap:wrap;justify-content:space-between;gap:12px;margin-top:18px;padding-top:14px;font-size:.9rem;display:flex}.modal-backdrop{z-index:50;background:#22222273;place-items:center;padding:20px;display:grid;position:fixed;inset:0}.modal{background:#fff;border-radius:6px;width:min(560px,100%);overflow:hidden;box-shadow:0 20px 50px #22222240}.modal-head,.modal-foot{border-bottom:1px solid var(--line-soft);justify-content:space-between;align-items:center;gap:12px;padding:14px 16px;display:flex}.modal-foot{border-bottom:0;border-top:1px solid var(--line-soft);justify-content:flex-end}.modal-head h3{margin:0;font-size:1.1rem;font-weight:500}.modal-body{flex-direction:column;gap:14px;max-height:min(60vh,480px);padding:16px;display:flex;overflow:auto}.modal-body h4{color:var(--accent);margin:0 0 6px;font-size:.92rem;font-weight:500}.modal-body p{color:var(--ink);margin:0;line-height:1.45}.modal-meta{flex-wrap:wrap;gap:12px;font-size:.88rem;display:flex;color:var(--muted)!important}.modal-choices{flex-direction:column;gap:8px;margin:0;padding:0;list-style:none;display:flex}.modal-choices li{grid-template-columns:auto 1fr;align-items:start;gap:10px;display:grid}.modal-choices code{background:var(--bg-soft);color:var(--accent);border-radius:4px;padding:2px 6px;font-size:.82rem}@media (width<=720px){.app{padding:12px 12px 28px}.step-panel{padding:14px}.steps{border-radius:12px}.step-label{display:none}.tile-grid{grid-template-columns:repeat(auto-fill,minmax(140px,1fr))}.preview-viewport.tall{height:52vh}.stats{justify-content:space-between;width:100%}}html{-webkit-text-size-adjust:100%}body{margin:0}