html,body{margin:0}
img{max-width:100%}
[hidden]{display:none!important}

/* Layout: ticket-shaped hero, then a two-column workbench — settings on the left, live sheet preview on the right */
:root{
  --paper:#EEF1F6; --surface:#FFFFFF; --sunk:#E4E8F0;
  --ink:#152039; --muted:#5A6479; --line:#D3D9E4;
  --accent:#2C52B0; --accent-ink:#FFFFFF; --stripe:rgba(44,82,176,.13);
  --ticket:#F4C33E; --ticket-ink:#1D1A10; --warn-bg:#FFF3D1; --warn-ink:#6B4B00;
  --err:#B3261E;
  --f-display:"Boldonse","Arial Black",Impact,sans-serif;
  --f-body:"Hanken Grotesk",system-ui,-apple-system,"Segoe UI",sans-serif;
  --f-mono:"Open Sans","Segoe UI",system-ui,sans-serif;
  --r:10px;
}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]){
  --paper:#0E1320; --surface:#161D2C; --sunk:#1D2536;
  --ink:#E7ECF6; --muted:#9BA5BB; --line:#2B3550;
  --accent:#86A3F2; --accent-ink:#0E1320; --stripe:rgba(134,163,242,.10);
  --ticket:#F0BE35; --ticket-ink:#1D1A10; --warn-bg:#3A2F12; --warn-ink:#F6D98A;
  --err:#FF8A80; color-scheme:dark;
}}
:root[data-theme="dark"]{
  --paper:#0E1320; --surface:#161D2C; --sunk:#1D2536;
  --ink:#E7ECF6; --muted:#9BA5BB; --line:#2B3550;
  --accent:#86A3F2; --accent-ink:#0E1320; --stripe:rgba(134,163,242,.10);
  --ticket:#F0BE35; --ticket-ink:#1D1A10; --warn-bg:#3A2F12; --warn-ink:#F6D98A;
  --err:#FF8A80; color-scheme:dark;
}
*{box-sizing:border-box}
body{background:var(--paper);color:var(--ink);font-family:var(--f-body);font-size:15px;line-height:1.5;
  background-image:repeating-linear-gradient(90deg,transparent 0 13px,var(--stripe) 13px 14px);}
.wrap{max-width:1240px;margin:0 auto;padding-inline:20px;padding-block:28px 60px}
@media (max-width:520px){.wrap{padding-inline:16px}}

/* Hero: a raffle ticket */
.hero{display:flex;background:var(--ticket);color:var(--ticket-ink);border-radius:14px;position:relative;
  box-shadow:0 1px 0 rgba(0,0,0,.08),0 14px 30px -18px rgba(20,30,60,.45)}
.hero-main{flex:1;min-width:0;padding:28px 32px 26px}
.hero h1{font-family:var(--f-display);font-weight:400;font-size:clamp(1.9rem,6.2vw,4rem);line-height:1.12;margin:0 0 14px;
  letter-spacing:-.01em;text-wrap:balance}
.hero p{margin:0;font-size:1.08rem;font-weight:600;max-width:42ch}
.hero .credit{margin-top:14px;font-family:var(--f-mono);font-size:.9rem;opacity:.8}
.hero .credit a{color:inherit;font-weight:700;text-decoration:underline;text-decoration-thickness:1.5px;text-underline-offset:3px}
.hero .credit a:hover{text-decoration-thickness:3px}
.hero .credit a:focus-visible{outline:2px solid var(--ticket-ink);outline-offset:2px;border-radius:2px}
.stub{width:150px;flex:none;border-left:2px dashed rgba(29,26,16,.45);display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:6px;padding:18px 10px;position:relative}
.stub::before,.stub::after{content:"";position:absolute;left:-12px;width:22px;height:22px;border-radius:50%;background:var(--paper)}
.stub::before{top:-11px}.stub::after{bottom:-11px}
.stub .lbl{font-family:var(--f-mono);font-size:.7rem;letter-spacing:.14em;text-transform:uppercase}
.stub .num{font-family:var(--f-display);font-size:1.5rem;line-height:1.3}
@media (max-width:640px){
  .hero{flex-direction:column}
  .hero-main{padding:22px 20px}
  .stub{width:auto;flex-direction:row;border-left:0;border-top:2px dashed rgba(29,26,16,.45);padding:12px 20px;justify-content:space-between}
  .stub::before,.stub::after{top:-12px;left:auto}
  .stub::before{left:-11px}.stub::after{right:-11px;bottom:auto}
}

/* Workbench */
.bench{display:grid;grid-template-columns:minmax(0,380px) minmax(0,1fr);gap:24px;margin-top:28px;align-items:start}
@media (max-width:900px){.bench{grid-template-columns:minmax(0,1fr)}}
.panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);min-width:0}
.tabs{display:grid;grid-template-columns:1fr 1fr;gap:4px;padding:5px;background:var(--sunk);border-radius:var(--r) var(--r) 0 0;border-bottom:1px solid var(--line)}
.tab{font:inherit;font-weight:600;font-size:.9rem;border:0;background:transparent;color:var(--muted);padding:10px 8px;border-radius:7px;cursor:pointer}
.tab[aria-selected="true"]{background:var(--surface);color:var(--ink);box-shadow:0 1px 2px rgba(0,0,0,.08)}
.tab:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,.drop:focus-within{outline:2px solid var(--accent);outline-offset:2px}
.sec{padding:18px 20px;border-bottom:1px solid var(--line);display:grid;gap:12px}
.sec:last-child{border-bottom:0}
.sec h2{margin:0;font-family:var(--f-mono);font-size:.72rem;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}
.row{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.row3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:10px}
.field{display:grid;gap:5px;min-width:0}
.field label,.lab{font-size:.84rem;font-weight:600}
.hint{font-size:.8rem;color:var(--muted);margin:0}
input[type=text],input[type=number],select,textarea{width:100%;font:inherit;font-size:.92rem;color:var(--ink);background:var(--paper);
  border:1px solid var(--line);border-radius:7px;padding:8px 10px;min-width:0}
input[type=number]{font-family:var(--f-mono);font-variant-numeric:tabular-nums}
textarea{min-height:150px;resize:vertical;font-family:var(--f-mono);font-size:.85rem;line-height:1.55}
input[type=color]{width:100%;height:38px;border:1px solid var(--line);border-radius:7px;background:var(--paper);padding:3px;cursor:pointer}
.seg{display:grid;grid-template-columns:1fr 1fr;border:1px solid var(--line);border-radius:7px;overflow:hidden}
.seg button{font:inherit;font-weight:600;font-size:.88rem;border:0;background:var(--paper);color:var(--muted);padding:8px;cursor:pointer}
.seg button+button{border-left:1px solid var(--line)}
.seg button[aria-pressed="true"]{background:var(--accent);color:var(--accent-ink)}
.check{display:flex;gap:9px;align-items:flex-start;font-size:.88rem;cursor:pointer}
.check input{margin-top:3px;accent-color:var(--accent)}
.btn{font:inherit;font-weight:700;font-size:.9rem;border:1px solid var(--accent);background:var(--accent);color:var(--accent-ink);
  border-radius:8px;padding:10px 16px;cursor:pointer;white-space:nowrap}
.btn-ic{display:inline-flex;align-items:center;gap:8px}
/* Primary actions in raffle-ticket yellow */
.btn.yellow{background:var(--ticket);border-color:var(--ticket);color:var(--ticket-ink)}
.btn.yellow:hover{filter:brightness(.96)}
.drop.yellow{background:var(--ticket);border-color:rgba(29,26,16,.4);color:var(--ticket-ink)}
.drop.yellow strong,.drop.yellow .drop-ic{color:var(--ticket-ink)}
.drop.yellow .hint{color:var(--ticket-ink);opacity:.75}
.drop.yellow.over{background:var(--ticket);border-color:var(--ticket-ink)}
input.yellow{border:2px solid var(--ticket);padding:7px 9px;font-weight:600}
.btn.ghost{background:transparent;color:var(--accent)}
.btn.small{padding:6px 10px;font-size:.82rem}
.btn:disabled{opacity:.5;cursor:progress}
.drop{display:grid;place-items:center;text-align:center;gap:4px;border:1.5px dashed var(--line);border-radius:8px;padding:16px;cursor:pointer;background:var(--paper);font-size:.88rem}
.drop.over{border-color:var(--accent);background:var(--sunk)}
.drop strong{color:var(--accent)}
.drop-ic{color:var(--accent);margin-bottom:2px}
@media (prefers-reduced-motion:no-preference){.drop:hover .drop-ic,.drop.over .drop-ic{transform:translateY(-2px);transition:transform .15s}}
.drop input{position:absolute;width:1px;height:1px;opacity:0}
.thumbs{display:grid;grid-template-columns:repeat(auto-fill,minmax(64px,1fr));gap:8px}
.th{position:relative;aspect-ratio:1;max-width:100%;background:#fff;border:1px solid var(--line);border-radius:6px;display:grid;place-items:center;overflow:hidden}
.th img{width:86%;height:86%;object-fit:contain}
.th button{position:absolute;top:3px;right:3px;width:22px;height:22px;border-radius:50%;border:0;background:rgba(21,32,57,.78);color:#fff;font-size:13px;line-height:1;cursor:pointer}
.th .badge{position:absolute;left:3px;bottom:3px;font-family:var(--f-mono);font-size:.62rem;background:rgba(255,255,255,.9);color:#152039;padding:0 4px;border-radius:3px}
.note{font-size:.84rem;border-radius:7px;padding:9px 11px;background:var(--warn-bg);color:var(--warn-ink);margin:0}
.note.info{background:var(--sunk);color:var(--ink)}
.err{color:var(--err);font-size:.84rem;margin:0}
.inline{display:flex;gap:8px;align-items:end;flex-wrap:wrap}
.inline .field{flex:1 1 140px}

/* Preview */
.pv{min-width:0}
.bar{position:sticky;top:env(safe-area-inset-top,0px);z-index:2;display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:12px 14px}
.sum{font-family:var(--f-mono);font-size:.82rem;font-variant-numeric:tabular-nums;color:var(--muted);min-width:0}
.sum b{color:var(--ink);font-weight:600}
.pages{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:22px;margin-top:20px}
.page{display:grid;gap:8px;min-width:0}
.page canvas{width:100%;height:auto;max-width:100%;background:#fff;border-radius:2px;
  box-shadow:0 0 0 1px rgba(21,32,57,.08),0 10px 24px -14px rgba(21,32,57,.5)}
.page span{font-family:var(--f-mono);font-size:.74rem;color:var(--muted);font-variant-numeric:tabular-nums}
.more{margin-top:16px}
.status{font-size:.84rem;color:var(--muted);margin:0}
@media (prefers-reduced-motion:no-preference){.page canvas{transition:opacity .15s}}
.dim canvas{opacity:.55}