:root{font-family:"Segoe UI","Microsoft JhengHei",sans-serif;color:#183047;background:#f4f7fb;font-synthesis:none;--brand:#365ad7;--line:#d9e2ef}*{box-sizing:border-box}body{margin:0}button,input,select,textarea{font:inherit}button,a,input,select,textarea{touch-action:manipulation}a{color:#3256bb}button{cursor:pointer}button:disabled{cursor:default;opacity:.48}[hidden]{display:none!important}header{background:#fff;border-bottom:1px solid var(--line)}.top{max-width:1220px;margin:auto;padding:18px 24px;display:flex;justify-content:space-between;align-items:center;gap:15px}.top a{text-decoration:none;font-size:.9rem;font-weight:700}.brand{display:flex;align-items:center;gap:10px;font-weight:800}.brand-icon{display:grid;place-items:center;background:#eaf0ff;border-radius:12px;width:42px;height:42px;font-size:1.35rem}.wrap{max-width:1220px;margin:auto;padding:32px 24px 60px}.intro{max-width:850px;margin-bottom:24px}.eyebrow{color:#365ad7;font-size:.84rem;font-weight:700;margin:0 0 8px}h1{font-size:clamp(1.6rem,4vw,2.3rem);margin:0 0 10px;line-height:1.3}h2{font-size:1.12rem;margin:0 0 16px}h3{font-size:.98rem;margin:8px 0}.lead{color:#53687e;line-height:1.7;margin:0 0 14px}.badges{display:flex;flex-wrap:wrap;gap:7px}.badge{background:#fff;border:1px solid var(--line);border-radius:20px;padding:6px 11px;font-size:.8rem;font-weight:600}.layout{display:grid;grid-template-columns:320px minmax(0,1fr);gap:22px;align-items:start}.panel{background:#fff;border:1px solid var(--line);border-radius:18px;padding:22px;min-width:0;box-shadow:0 5px 18px #1c365608}.sidebar{position:sticky;top:20px}.field{display:block;margin:16px 0 6px;font-size:.87rem;font-weight:700}.input,textarea,select{width:100%;border:1px solid #cbd6e5;border-radius:9px;padding:11px 12px;background:#fff;color:#183047;min-width:0}textarea{resize:vertical;min-height:135px;line-height:1.6}input[type=range]{width:100%;accent-color:var(--brand)}input[type=color]{width:100%;height:44px;padding:4px;background:#fff;border:1px solid #cbd6e5;border-radius:8px}input[type=checkbox]{accent-color:var(--brand)}.btn{display:inline-flex;justify-content:center;align-items:center;gap:7px;background:#fff;border:1px solid #cbd6e5;border-radius:10px;padding:10px 14px;min-height:44px;color:#243d56;text-decoration:none;font-weight:700;font-size:.88rem}.btn:hover:not(:disabled){background:#f0f5fd}.btn.primary{background:var(--brand);color:#fff;border-color:var(--brand)}.btn.primary:hover:not(:disabled){background:#2749be}.btn.danger{color:#a63235}.btn.block{display:flex;width:100%;margin-top:12px}.actions{display:flex;flex-wrap:wrap;gap:8px;align-items:center}.small{font-size:.8rem;color:#63778b;line-height:1.7;overflow-wrap:anywhere}.drop{border:2px dashed #9cb4d6;background:#f8fbff;border-radius:14px;padding:26px 16px;text-align:center;margin:12px 0}.drop.over{background:#e8f0ff;border-color:#365ad7}.drop-icon{font-size:2.3rem;display:block;margin-bottom:10px}.drop p{line-height:1.7}.drop input[type=file]{max-width:100%;font-size:.85rem}.status{padding:13px 16px;border-radius:12px;background:#eaf2fc;border:1px solid #c8dcf5;color:#244d7b;line-height:1.7;margin:18px 0;font-size:.88rem;overflow-wrap:anywhere}.status.error{background:#fff0ee;border-color:#f1c3ba;color:#94362b}.status.success{background:#eaf7ee;border-color:#bddcc7;color:#25663a}.empty{text-align:center;color:#63778b;padding:60px 20px;background:#f8faff;border:1px dashed #cbd8e9;border-radius:12px;line-height:1.8}.mini{min-height:36px;padding:6px 10px;font-size:.78rem}.section-head{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:10px;margin-bottom:15px}.section-head h2{margin:0}.note{background:#fff8e7;border-radius:10px;color:#765621;padding:12px;font-size:.8rem;line-height:1.7}details{margin-top:20px;border-top:1px solid var(--line);padding-top:15px}summary{cursor:pointer;font-weight:700;font-size:.88rem;min-height:32px}details p,details li{font-size:.84rem;color:#52677c;line-height:1.8}footer{font-size:.8rem;color:#63778b;text-align:center;margin-top:32px;line-height:1.8}.two{display:grid;grid-template-columns:1fr 1fr;gap:12px}.sr-only{position:absolute;width:1px;height:1px;padding:0;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}.spinner{display:inline-block;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}:focus-visible{outline:3px solid #5278e5;outline-offset:3px}.preview-frame{background:repeating-conic-gradient(#e9edf2 0% 25%,#fff 0% 50%) 50% /16px 16px;border:1px solid var(--line);border-radius:12px;padding:18px;text-align:center;overflow:hidden}.preview-frame canvas{max-width:100%;height:auto;display:block;margin:auto;box-shadow:0 3px 15px #1a365523}@media(max-width:850px){.layout{grid-template-columns:1fr}.sidebar{position:static}.wrap{padding:24px 16px 40px}.top{padding:14px 16px}.panel{padding:18px}}@media(max-width:380px){.wrap{padding:20px 10px}.top{padding:12px 10px}.brand{font-size:.86rem}.brand-icon{width:34px;height:34px}.top a{font-size:.8rem}.panel{padding:14px}.two{gap:8px}.btn{padding:10px 11px;font-size:.83rem}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}.spinner{animation:none}}
.pdf-pages{display:grid;grid-template-columns:repeat(auto-fill,minmax(155px,1fr));gap:12px;margin:20px 0}.pdf-pages>.empty{grid-column:1/-1}.pdf-page{border:1px solid #ccd8e7;border-radius:12px;padding:10px;background:#fff;min-width:0}.pdf-page.picked{border-color:#5677dc;background:#f7f9ff}.pdf-page.dragging{opacity:.5}.pdf-thumb{height:170px;background:#eef2f7;display:flex;align-items:center;justify-content:center;overflow:hidden;margin-bottom:8px}.pdf-thumb img{max-width:100%;max-height:100%;object-fit:contain}.pdf-label{display:flex;gap:7px;align-items:start;font-size:.82rem;font-weight:700;line-height:1.5}.pdf-source{font-size:.73rem;line-height:1.6;color:#64758a;overflow-wrap:anywhere;margin:6px 0}.page-actions{display:flex;gap:4px;flex-wrap:wrap}.page-actions button{min-width:34px;padding:5px;min-height:36px}.page-position{display:flex;align-items:center;gap:5px;margin-top:8px;font-size:.73rem}.page-position input{width:52px;padding:5px;border:1px solid #cbd6e5;border-radius:5px;min-height:36px}.file-row{border-bottom:1px solid #e2e9f3;padding:10px 0;font-size:.78rem;overflow-wrap:anywhere;line-height:1.7}.export{margin-top:22px}.pdf-pages button:disabled{opacity:.4}@media(max-width:380px){.pdf-pages{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.pdf-page{padding:8px}.pdf-thumb{height:125px}.page-actions .btn{font-size:.73rem}}
@media(max-width:480px){.pdf-pages{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.pdf-page{padding:8px}.pdf-thumb{height:145px}.page-actions button{min-height:44px;min-width:36px}.page-position button,.page-position input{min-height:44px}}

.drop input[type=file]::file-selector-button{min-height:44px;padding:10px 12px;border:1px solid #b6c7df;border-radius:9px;background:#fff;color:#254773;font-weight:700;cursor:pointer;margin:4px 8px 4px 0}.drop input[type=file]{line-height:1.8}

.file-row{display:flex;gap:8px;flex-wrap:wrap;align-items:center}.crop-panel{scroll-margin:20px}.crop-panel:not([hidden])~*{scroll-margin:20px}#canvas{max-height:650px;object-fit:contain}#layoutWarning:not(:empty){background:#fff5d6;padding:12px;border-radius:8px}

.page-dialog{width:min(94vw,1040px);max-height:90vh;overflow:auto;border:1px solid #d5dce8;border-radius:16px}.page-dialog canvas{max-width:100%;height:auto;display:block;margin:auto}.page-dialog::backdrop{background:#18213d99}.pdf-thumb{cursor:zoom-in}

/* ---- redesign 20261027: mascot Stacky, hero, scenarios, toolbar, tabs, output options ---- */
:root{--brand:#e5484d;--brand-dark:#c4343a;--soft:#fff1f0}
body{background:#fdf7f5 url(art/bg.webp) no-repeat center top/1500px auto}
a{color:#c4343a}.eyebrow{color:var(--brand)}.brand-icon{background:var(--soft)}
.btn[aria-pressed=true]{background:var(--soft);border-color:var(--brand);color:var(--brand-dark);box-shadow:inset 0 0 0 1px var(--brand)}
.btn.primary:hover:not(:disabled){background:var(--brand-dark)}.btn.danger{color:#a63235}
.check{display:flex;align-items:center;gap:10px;min-height:44px;font-size:.88rem;font-weight:600;cursor:pointer}input[type=checkbox]{accent-color:var(--brand);width:20px;height:20px;flex:0 0 auto}input[type=range]{width:100%;accent-color:var(--brand);min-height:32px}
select{width:100%;border:1px solid #cbd6e5;border-radius:9px;padding:10px 12px;background:#fff;color:#183047;min-width:0;min-height:44px}
.seg{display:grid;grid-template-columns:repeat(auto-fit,minmax(88px,1fr));gap:6px}
.note.privacy{background:#eef8f1;color:#25553a}
:focus-visible{outline:3px solid #e5484d99;outline-offset:3px}
.hero{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,400px);gap:10px 24px;align-items:center;margin-bottom:20px;padding:24px 28px;border:1px solid var(--line);border-radius:22px;background:linear-gradient(120deg,#fff 0,#fff5f2 60%,#ffe7e1 100%);box-shadow:0 8px 28px #7f1d1d12}
.hero-text{min-width:0;max-width:700px}.hero-art{width:100%;height:auto;display:block;justify-self:end}
.badge{display:inline-flex;align-items:center;gap:6px}.badge-ic{width:24px;height:auto;flex:none}
.scenes{margin-bottom:20px}.scenes .small{margin:0 0 12px}
.scene-grid{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:10px}
.scene{display:flex;flex-direction:column;align-items:center;gap:4px;text-align:center;padding:10px 8px 12px;border:1px solid var(--line);border-radius:14px;background:#fff;color:#183047;min-height:44px;transition:transform .15s,box-shadow .15s,border-color .15s}
.scene:hover{border-color:var(--brand);box-shadow:0 6px 16px #c4343a22;transform:translateY(-2px)}.scene[aria-pressed=true]{border-color:var(--brand);background:var(--soft);box-shadow:inset 0 0 0 1px var(--brand)}
.scene-ic{width:auto;height:72px;max-width:90px;object-fit:contain}.scene b{font-size:.9rem}.scene span{font-size:.74rem;color:#5c7086;line-height:1.5}
.scene-note{margin-top:10px!important;min-height:1.2em;color:#25663a;font-weight:600}.scene-note:empty{display:none}
.step{display:flex;align-items:center;gap:10px}.step-ic{width:auto;height:34px;flex:none;object-fit:contain}
.main>.panel+.panel,.side>.panel+.panel{margin-top:18px}
.drop{position:relative}.actions>.btn.mini{flex:1 1 100%}
.status-row{display:flex;align-items:flex-end;gap:12px;margin-bottom:14px}.mascot{width:64px;height:auto;flex:none}.status-row .status{flex:1;margin:0;position:relative}
.toolbar{display:grid;gap:8px;margin-bottom:12px;padding:10px;border:1px solid var(--line);border-radius:14px;background:#fffaf8}
.tgroup{display:flex;flex-wrap:wrap;gap:4px;align-items:center}.tool-label{font-size:.78rem;font-weight:800;color:#8a4a45;min-width:34px}
.btn.tool{gap:5px;min-height:40px;padding:5px 9px;font-size:.8rem}.tool-ic{width:auto;height:20px;flex:none;object-fit:contain}.fx-ic{width:22px;height:auto}.flip{transform:scaleX(-1)}.lab-ic{width:18px;height:auto;vertical-align:middle;margin-right:6px}
.thumbseg{display:inline-flex;gap:4px;margin-left:6px}.thumbseg .btn{min-width:44px}
.opts2{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-bottom:6px}.opts2>*{min-width:0}.inline-field{display:flex;gap:8px;align-items:center}.inline-field .input{flex:1}
.pdf-pages{grid-template-columns:repeat(auto-fill,minmax(155px,1fr))}.pdf-pages[data-size=s]{grid-template-columns:repeat(auto-fill,minmax(112px,1fr))}.pdf-pages[data-size=s] .pdf-thumb{height:120px}.pdf-pages[data-size=l]{grid-template-columns:repeat(auto-fill,minmax(230px,1fr))}.pdf-pages[data-size=l] .pdf-thumb{height:260px}
.pdf-pages>.empty{display:flex;flex-direction:column;align-items:center;gap:6px;padding:28px 16px}.pdf-pages>.empty img{width:200px;max-width:60%;height:auto}.pdf-pages>.empty p{margin:0}
.pdf-page{position:relative;border-top:5px solid var(--tag,#b6c1cf)}.pdf-page.picked{border-color:var(--tag,#5677dc);box-shadow:0 0 0 2px #fff,0 0 0 3px var(--tag,#5677dc)}.pdf-page.flagged{background:#fff8e7}
.pdf-tag{font-size:.7rem;font-weight:700;color:#52677c;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-bottom:6px}
.pdf-thumb{position:relative}.blank-badge{position:absolute;left:4px;top:4px;padding:1px 6px;border-radius:8px;background:#f2b134;color:#4a3000;font-size:.66rem;font-weight:700}
.page-actions button{min-width:32px;padding:4px}
.file-row{display:flex;gap:6px;flex-wrap:nowrap;align-items:center;border-bottom:1px solid #f0d8d5}.file-dot{width:12px;height:12px;border-radius:50%;background:var(--tag);flex:none}.file-info{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:.78rem}.file-row .btn.mini{min-height:36px;padding:3px 8px}
.tabs{margin-bottom:12px;grid-template-columns:repeat(3,minmax(0,1fr))}.tabs .btn{flex-direction:column;gap:2px;font-size:.84rem}.tabs .btn img{width:22px;height:auto}
.common-opts{margin-bottom:10px}.three{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}.three>*{min-width:0}.num-row{margin:8px 0}
.small-dialog{width:min(92vw,460px)}.small-dialog h2{margin-top:0}.small-dialog select{margin-bottom:6px}
.dialog-head{display:flex;flex-wrap:wrap;gap:8px;align-items:center;justify-content:space-between;margin-bottom:10px}.dialog-head .small{flex:1 1 200px;text-align:center;margin:0}
@media(max-width:1100px){.scene-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.opts2{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}}
@media(max-width:850px){.layout{grid-template-columns:minmax(0,1fr)}.stack{min-width:0}}
@media(max-width:900px){.hero{grid-template-columns:minmax(0,1fr);padding:18px 16px}.hero-art{max-width:340px;justify-self:center}.layout.has-pages .main{order:-1}.layout.has-pages .side{order:0}}
@media(max-width:600px){.opts2{grid-template-columns:minmax(0,1fr)}.three{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}.three>div:last-child{grid-column:1/-1}}
@media(max-width:520px){.scene-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.scene-ic{height:60px}.mascot{width:52px}.btn.tool{flex:1 1 auto}}
@media(prefers-reduced-motion:reduce){.scene{transition:none}.scene:hover{transform:none}}
#duplexError{color:#b42318;font-weight:700;margin:8px 0 0}