/* Studio: create a live code. Palette from the DayAheadStudio brand kit (same tokens as the BIOS). */
:root{
  --ivory:#F8F6F1; --paper:#FFFFFF; --ink:#2F3133; --muted:#6B6E70; --line:#E6E1D8;
  --accent:#647A67; --soft:#EDF1EC; --danger:#A2473A; --radius:14px;
  --font:"Manrope","DM Sans",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  color-scheme:light;
}
.theme-sage{--accent:#647A67;--soft:#EDF1EC}
.theme-terracotta{--accent:#B46F54;--soft:#F6ECE6}
.theme-dustyblue{--accent:#6F879B;--soft:#EBF0F4}
.theme-sand{--accent:#A88449;--soft:#F5EFE3}
.theme-charcoal{--accent:#2F3133;--soft:#ECEBE8}
*{box-sizing:border-box}
html,body{margin:0;background:var(--ivory);color:var(--ink);font:16px/1.45 var(--font);-webkit-text-size-adjust:100%}
button,input,select,textarea{font:inherit;color:inherit}
.top{position:sticky;top:0;z-index:5;display:flex;align-items:center;justify-content:space-between;gap:10px;padding:calc(10px + env(safe-area-inset-top)) 16px 10px;background:rgba(248,246,241,.95);border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:center;gap:8px;font-weight:800}
.mark{display:grid;place-items:center;width:32px;height:32px;border-radius:50%;background:var(--accent);color:#fff}
.powered{color:var(--muted);font-size:.78rem}
.wrap{max-width:620px;margin:0 auto;padding:16px 16px calc(40px + env(safe-area-inset-bottom))}
h1{font-size:1.5rem;margin:6px 0 4px}
h2{font-size:1.05rem;margin:0 0 10px}
.lead{color:var(--muted);margin:0 0 18px}
.card{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:16px;margin-bottom:14px}
label{display:block;font-weight:600;font-size:.9rem;margin:10px 0 4px}
label small{font-weight:400;color:var(--muted)}
input,select,textarea{width:100%;border:1px solid var(--line);border-radius:10px;padding:10px 12px;background:#FFFEFB;min-height:44px}
textarea{min-height:80px;resize:vertical}
input:focus,select:focus,textarea:focus{outline:2px solid var(--accent);outline-offset:1px}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:10px}
@media (max-width:420px){.row2{grid-template-columns:1fr}}
.items{display:flex;flex-direction:column;gap:8px}
.item{display:grid;grid-template-columns:minmax(0,1.6fr) minmax(0,.8fr) minmax(0,.9fr) auto auto;gap:6px;align-items:center}
.item input{min-height:40px;padding:8px}
.item .avail{display:flex;align-items:center;gap:4px;font-size:.8rem;color:var(--muted);white-space:nowrap}
.item .avail input{width:auto;min-height:0}
@media (max-width:480px){.item{grid-template-columns:minmax(0,1fr) minmax(0,1fr);}.item .name{grid-column:1/-1}}
.head{display:flex;justify-content:space-between;align-items:center;gap:10px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;min-height:44px;padding:10px 16px;border-radius:10px;border:1px solid var(--accent);background:var(--accent);color:#fff;font-weight:700;cursor:pointer;text-decoration:none}
.btn.ghost{background:transparent;color:var(--accent)}
.btn.small{min-height:36px;padding:6px 10px;font-size:.85rem}
.btn.icon{min-height:40px;width:40px;padding:0;background:transparent;color:var(--muted);border-color:var(--line)}
.btn:disabled{opacity:.45;cursor:default}
.btn.block{width:100%}
.actions{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
.note{color:var(--muted);font-size:.88rem;margin:8px 0 0}
.error{border:1px solid var(--danger);background:#FBF1EE;color:var(--danger);border-radius:10px;padding:10px 12px;margin:10px 0}
.warn{border:1px solid #D9B96B;background:#FBF6E8;border-radius:10px;padding:10px 12px;margin:10px 0;font-size:.92rem}
.themes{display:flex;gap:8px;flex-wrap:wrap}
.themes button{width:40px;height:40px;border-radius:50%;border:3px solid transparent;cursor:pointer}
.themes button[aria-pressed=true]{border-color:var(--ink)}
.sw-sage{background:#647A67}.sw-terracotta{background:#B46F54}.sw-dustyblue{background:#6F879B}.sw-sand{background:#A88449}.sw-charcoal{background:#2F3133}

/* preview: a close approximation of what readers see */
.preview{border-radius:var(--radius);border:1px solid var(--line);overflow:hidden;background:var(--ivory)}
.preview .ph{background:var(--accent);color:#fff;padding:14px 16px}
.preview .ph b{display:block;font-size:1.1rem}
.preview .ph small{opacity:.9}
.preview .pb{padding:12px 16px}
.preview table{width:100%;border-collapse:collapse;font-size:.92rem}
.preview td{padding:6px 0;border-top:1px solid var(--line)}
.preview td.r{text-align:right;white-space:nowrap}
.preview .out{color:var(--muted);text-decoration:line-through}
.preview .meta{color:var(--muted);font-size:.85rem;margin:8px 0}

/* result */
.qr{display:flex;justify-content:center;background:#fff;border-radius:10px;padding:8px}
.qr canvas{width:100%;max-width:320px;height:auto;image-rendering:pixelated}
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin:12px 0;text-align:center}
.stats div{background:var(--soft);border-radius:10px;padding:8px 4px}
.stats b{display:block;font-size:1.05rem}
.stats small{color:var(--muted);font-size:.75rem}
.steps{margin:0;padding-left:20px}
.steps li{margin:6px 0}
code.secret{display:block;word-break:break-all;font-size:.75rem;background:var(--soft);padding:8px;border-radius:8px;margin-top:6px;max-height:4.5em;overflow:hidden}
.board{display:flex;justify-content:space-between;align-items:center;gap:10px;flex-wrap:wrap;padding:10px 0;border-top:1px solid var(--line)}
.board:first-child{border-top:0}
.ok{border:1px solid var(--accent);background:var(--soft);border-radius:10px;padding:10px 12px;margin:10px 0}
[hidden]{display:none!important}