/* 基本のリセット */
:root{color-scheme:light;padding-top:env(safe-area-inset-top, 0px);padding-bottom:env(safe-area-inset-bottom, 0px)}
body{margin:0;font-size:14px;font-family:system-ui,-apple-system,sans-serif}
img{max-width:100%}
[hidden]{display:none!important}

/* Layout: お皿のプレビュー（PCは左に固定／スマホは上に固定）＋ 5ステップの作業台 ＋ このドーナツ（名前・保存・読み込み）＋ ショーケース */
:root{
  --bg:#FBF1F3; --surface:#FFFFFF; --tray:#F5E1E6; --plate:#FFFDFB; --rim:#EDCFD7;
  --ink:#3A2321; --muted:#86686B; --line:#EDD5DB;
  --accent:#D2416A; --accent-ink:#FFFFFF; --accent-soft:#FBE1E9;
  --tag:#FFF3C9; --tag-ink:#5A3818; --danger:#B4232F;
  --f-display:"Mochiy Pop One","Zen Maru Gothic","Hiragino Maru Gothic ProN",sans-serif;
  --f-body:"Zen Maru Gothic","Hiragino Maru Gothic ProN","Hiragino Sans","Noto Sans JP",sans-serif;
  --stickTop:0px;
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --bg:#1C1315; --surface:#271B1E; --tray:#2E2024; --plate:#3E2E32; --rim:#553C42;
    --ink:#F7E8EB; --muted:#BC9DA3; --line:#412E33;
    --accent:#FF7C9E; --accent-ink:#2A0E16; --accent-soft:#45262F;
    --tag:#3E3521; --tag-ink:#F3DDA6; --danger:#FF8A8A; color-scheme:dark;
  }
}
:root[data-theme="dark"]{
  --bg:#1C1315; --surface:#271B1E; --tray:#2E2024; --plate:#3E2E32; --rim:#553C42;
  --ink:#F7E8EB; --muted:#BC9DA3; --line:#412E33;
  --accent:#FF7C9E; --accent-ink:#2A0E16; --accent-soft:#45262F;
  --tag:#3E3521; --tag-ink:#F3DDA6; --danger:#FF8A8A; color-scheme:dark;
}
*{box-sizing:border-box}
[hidden]{display:none!important}
body{background:var(--bg);color:var(--ink);font-family:var(--f-body);font-size:15px;line-height:1.6}
body::before{content:"";position:fixed;inset:0 0 auto;height:env(safe-area-inset-top, 0px);z-index:10;background:var(--surface)}
button,input,textarea{font:inherit;color:inherit}
button{cursor:pointer}
:focus-visible{outline:2.5px solid var(--accent);outline-offset:2px}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

.app{max-width:1140px;margin:0 auto;padding-block:18px 56px;
  padding-left:max(16px, env(safe-area-inset-left, 0px));padding-right:max(16px, env(safe-area-inset-right, 0px));
  display:grid;gap:20px}

/* header */
.top{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:10px 24px}
.eyebrow{margin:0;color:var(--muted);font-size:13px;letter-spacing:.08em}
h1{margin:2px 0 0;font-family:var(--f-display);font-weight:400;font-size:clamp(26px,5vw,40px);line-height:1.2;letter-spacing:.02em}
h1 .dot{color:var(--accent)}
.kinds{display:flex;flex-wrap:wrap;gap:6px}
.kind{border:1.5px solid var(--line);background:var(--surface);border-radius:999px;padding:5px 13px;font-weight:700;display:inline-flex;align-items:center;gap:6px;font-size:14px}
.kind.is-on{background:var(--ink);border-color:var(--ink);color:var(--bg)}
.kind:disabled{cursor:default;color:var(--muted)}
.kind small{font-size:10px;font-weight:500;border:1px solid var(--line);border-radius:4px;padding:0 4px;letter-spacing:.04em}

.card{background:var(--surface);border:1px solid var(--line);border-radius:20px;padding:16px}

/* layout */
.layout{display:grid;gap:18px;grid-template-columns:minmax(0,1fr)}
@media (min-width:880px){
  .layout{grid-template-columns:minmax(0,5fr) minmax(0,6fr);grid-template-areas:"prev build" "prev detail";align-items:start;gap:22px}
  .preview{grid-area:prev;position:sticky;top:calc(env(safe-area-inset-top, 0px) + 16px)}
  .builder{grid-area:build}
  .detail{grid-area:detail}
}

/* preview */
.preview{display:grid;grid-template-columns:minmax(0,1fr);gap:12px;min-width:0}
.stage{position:relative;aspect-ratio:1/1;width:100%;max-width:100%;border-radius:14px;overflow:hidden;
  background:radial-gradient(var(--rim) 1.2px, transparent 1.8px) 0 0/16px 16px, var(--tray)}
.stage canvas{display:block;width:100%;height:100%;touch-action:pan-y;-webkit-user-select:none;user-select:none}
.stage.free canvas{touch-action:none;cursor:grab}
.stage.free.dragging canvas{cursor:grabbing}
.views{position:absolute;left:8px;top:8px;background:var(--surface)}
.drag-hint{position:absolute;right:8px;top:10px;margin:0;font-size:11.5px;line-height:1.4;background:var(--surface);border:1px solid var(--line);border-radius:999px;padding:3px 10px;color:var(--muted);pointer-events:none}
.stage-actions{position:absolute;left:8px;right:8px;bottom:8px;display:flex;justify-content:flex-end;flex-wrap:wrap;gap:6px;pointer-events:none}
.stage-actions .pill{pointer-events:auto}
.pill{border:1.5px solid var(--line);background:var(--surface);border-radius:999px;padding:5px 12px;font-weight:700;font-size:13px;line-height:1.4}
.pill:hover{border-color:var(--accent)}
.pill.primary{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}
.info{display:flex;gap:14px;align-items:flex-start;justify-content:space-between}
.info-text{min-width:0}
.dname{margin:0;font-size:19px;font-weight:700;line-height:1.4;text-wrap:balance;overflow-wrap:anywhere}
.dsub{margin:4px 0 0;color:var(--muted);font-size:13px;overflow-wrap:anywhere}
.tag{flex:none;position:relative;background:var(--tag);color:var(--tag-ink);border-radius:6px;
  padding:8px 12px 8px 22px;transform:rotate(-3deg);display:grid;justify-items:end;line-height:1.2;
  font-variant-numeric:tabular-nums;box-shadow:0 2px 0 var(--line)}
.tag::before{content:"";position:absolute;left:8px;top:50%;width:7px;height:7px;margin-top:-3.5px;border-radius:50%;background:var(--surface);box-shadow:inset 0 0 0 1px var(--line)}
.tag .tl{font-size:10px;letter-spacing:.1em}
.tag .price{font-family:var(--f-display);font-size:22px}
.tag .kcal{font-size:11px}

/* segmented */
.seg{display:inline-flex;border:1.5px solid var(--line);border-radius:999px;padding:3px;gap:2px;flex-wrap:wrap}
.seg button{border:0;background:none;border-radius:999px;padding:5px 12px;font-weight:700;font-size:13px;color:var(--muted);line-height:1.4}
.seg button[aria-pressed="true"]{background:var(--ink);color:var(--bg)}
.seg button:disabled{opacity:.45;cursor:default}

/* builder */
.builder{display:grid;gap:14px;min-width:0;padding:0}
.steps{display:flex;gap:4px;overflow-x:auto;padding:10px 10px 0;border-bottom:1px solid var(--line);scrollbar-width:none;
  position:sticky;top:calc(var(--stickTop) + env(safe-area-inset-top, 0px));z-index:4;background:var(--surface);border-radius:20px 20px 0 0}
.steps::-webkit-scrollbar{display:none}
.step{flex:none;border:0;background:none;padding:8px 12px 10px;border-radius:10px 10px 0 0;font-weight:700;color:var(--muted);display:inline-flex;align-items:center;gap:6px;border-bottom:3px solid transparent;margin-bottom:-1px}
.step .n{width:20px;height:20px;border-radius:50%;display:inline-grid;place-items:center;font-size:11px;background:var(--tray);color:var(--muted);font-variant-numeric:tabular-nums}
.step[aria-selected="true"]{color:var(--ink);border-bottom-color:var(--accent)}
.step[aria-selected="true"] .n{background:var(--accent);color:var(--accent-ink)}
.panel{padding:0 16px 18px;display:grid;gap:14px}
.panel h2,.detail h2{margin:0;font-family:var(--f-display);font-weight:400;font-size:18px}
.hint{margin:-8px 0 0;color:var(--muted);font-size:13px}
.sub{margin:4px 0 -4px;font-size:12px;color:var(--muted);letter-spacing:.08em;font-weight:700}
.base-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:10px}
.base{border:1.5px solid var(--line);background:var(--surface);border-radius:14px;padding:10px;display:grid;justify-items:center;text-align:center;gap:2px}
.base canvas{width:84px;height:84px}
.base .bn{font-weight:700;font-size:14px}
.base .bd{font-size:11.5px;color:var(--muted);line-height:1.45}
.base .bp{font-size:12px;color:var(--muted);font-variant-numeric:tabular-nums;margin-top:2px}
.base[aria-pressed="true"],.chip[aria-pressed="true"]{border-color:var(--accent);background:var(--accent-soft)}
.base:hover,.chip:hover{border-color:var(--accent)}
.chips{display:grid;grid-template-columns:repeat(auto-fill,minmax(168px,1fr));gap:8px}
.chip{border:1.5px solid var(--line);background:var(--surface);border-radius:12px;padding:9px 10px;display:flex;align-items:center;gap:8px;text-align:left;font-size:14px;min-width:0}
.chip span{min-width:0;overflow-wrap:anywhere;line-height:1.35}
.chip small{margin-left:auto;color:var(--muted);font-size:11.5px;font-variant-numeric:tabular-nums;flex:none}
.sw{flex:none;width:22px;height:22px;border-radius:50%;background:var(--sw);box-shadow:inset 0 0 0 1px rgba(0,0,0,.14)}
.sw.none{background:transparent;box-shadow:none;border:1.5px dashed var(--muted)}
.rowline{display:flex;flex-wrap:wrap;align-items:center;gap:10px}
.rowline .lbl{font-size:13px;color:var(--muted)}

/* detail */
.detail{display:grid;gap:14px;min-width:0}
.field{display:grid;gap:4px}
.field label{font-size:12px;color:var(--muted);letter-spacing:.04em}
.field input,.field textarea{width:100%;border:1.5px solid var(--line);background:var(--bg);border-radius:10px;padding:9px 12px}
.field textarea{resize:vertical;font-size:13px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;word-break:break-all}
.recipe{margin:0;display:grid;grid-template-columns:auto 1fr;gap:4px 14px;font-size:13px;border-top:1px dashed var(--line);padding-top:12px}
.recipe dt{color:var(--muted)}
.recipe dd{margin:0;overflow-wrap:anywhere}
.file-row{display:flex;flex-wrap:wrap;gap:8px}
.btn{border:1.5px solid var(--line);background:var(--surface);border-radius:999px;padding:8px 16px;font-weight:700;font-size:14px;display:inline-flex;align-items:center;gap:6px}
.btn:hover{border-color:var(--accent)}
.btn.primary{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}
.import{border-top:1px dashed var(--line);padding-top:12px}
.import summary{cursor:pointer;font-weight:700;list-style:none;display:flex;align-items:center;gap:8px}
.import summary::-webkit-details-marker{display:none}
.import summary::before{content:"＋";display:inline-grid;place-items:center;width:22px;height:22px;border-radius:50%;background:var(--tray);color:var(--muted);font-size:13px}
.import[open] summary::before{content:"－"}
.import-body{display:grid;gap:10px;margin-top:10px}
.import-body p{margin:0;font-size:13px;color:var(--muted)}
.err{color:var(--danger);font-size:13px;margin:0}
.err:empty{display:none}
code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12px;background:var(--tray);border-radius:4px;padding:0 4px}

/* showcase */
.shelf-head{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:8px 16px}
.shelf-head h2{margin:0;font-family:var(--f-display);font-weight:400;font-size:22px}
.shelf-note{margin:4px 0 0;color:var(--muted);font-size:13px}
.linkbtn{border:0;background:none;padding:0;color:var(--accent);font-weight:700;font-size:13px;text-decoration:underline;text-underline-offset:3px}
.shelf{display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:12px;margin-top:12px}
.item{position:relative;background:var(--surface);border:1px solid var(--line);border-radius:16px;overflow:hidden}
.item-open{display:grid;width:100%;border:0;background:none;padding:0 0 10px;text-align:left;gap:2px}
.item-open canvas{width:100%;height:auto;aspect-ratio:1/1;background:var(--tray);display:block;margin-bottom:6px}
.item-name{padding:0 10px;font-size:13px;font-weight:700;line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.item-meta{padding:0 10px;font-size:11.5px;color:var(--muted);font-variant-numeric:tabular-nums}
.item-open:hover .item-name{color:var(--accent)}
.badge{position:absolute;left:8px;top:8px;background:var(--surface);color:var(--muted);border:1px solid var(--line);font-size:10.5px;border-radius:5px;padding:0 6px}
.item-del{position:absolute;right:6px;top:6px;width:30px;height:30px;border-radius:50%;border:1px solid var(--line);background:var(--surface);color:var(--muted);font-size:15px;line-height:1;display:grid;place-items:center}
.item-del:hover{color:var(--accent);border-color:var(--accent)}
.empty{grid-column:1/-1;color:var(--muted);font-size:14px;border:1.5px dashed var(--line);border-radius:14px;padding:22px;text-align:center}

/* toast & modal */
.toast{position:fixed;left:50%;bottom:calc(20px + env(safe-area-inset-bottom, 0px));transform:translateX(-50%) translateY(20px);opacity:0;pointer-events:none;
  background:var(--ink);color:var(--bg);border-radius:999px;padding:10px 10px 10px 18px;font-size:14px;display:flex;gap:10px;align-items:center;transition:opacity .2s, transform .2s;max-width:calc(100% - 32px);z-index:30}
.toast.show{opacity:1;transform:translateX(-50%);pointer-events:auto}
.toast button{border:0;background:var(--accent);color:var(--accent-ink);border-radius:999px;padding:4px 12px;font-weight:700;font-size:13px;flex:none}
.toast:not(.has-action){padding-right:18px}
.modal{position:fixed;inset:0;z-index:40;display:grid;place-items:center;background:rgba(20,8,10,.45);
  padding:max(16px, env(safe-area-inset-top, 0px)) max(16px, env(safe-area-inset-right, 0px)) max(16px, env(safe-area-inset-bottom, 0px)) max(16px, env(safe-area-inset-left, 0px))}
.modal-card{background:var(--surface);color:var(--ink);border-radius:20px;padding:22px;max-width:440px;width:100%;max-height:100%;overflow:auto;display:grid;gap:12px;box-shadow:0 20px 50px rgba(0,0,0,.25)}
.modal-card h2{margin:0;font-family:var(--f-display);font-weight:400;font-size:20px;text-wrap:balance}
.modal-card p,.modal-card li{margin:0;font-size:14px}
.modal-card ul{margin:0;padding-left:1.2em;display:grid;gap:4px}
.modal-card img{width:100%;border-radius:12px;border:1px solid var(--line)}
.modal-actions{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:8px}

@keyframes pop{0%{transform:scale(.97)}60%{transform:scale(1.015)}100%{transform:scale(1)}}
.pop{animation:pop .28s ease-out}
@media (prefers-reduced-motion: reduce){.pop{animation:none}.toast{transition:none}}

/* スマホ：プレビューを画面上部に固定し、選んでいる間もドーナツが見えるようにする */
@media (max-width:879.98px){
  .app{padding-block:12px 48px;gap:14px}
  .preview{position:sticky;top:env(safe-area-inset-top, 0px);z-index:6;border-radius:0 0 20px 20px;border-top:0;
    margin-left:calc(-1 * max(16px, env(safe-area-inset-left, 0px)));margin-right:calc(-1 * max(16px, env(safe-area-inset-right, 0px)));
    padding-block:8px 10px;padding-left:max(16px, env(safe-area-inset-left, 0px));padding-right:max(16px, env(safe-area-inset-right, 0px));
    box-shadow:0 6px 18px rgba(60,20,30,.10);gap:8px}
  .stage{width:min(100%, 40vh);width:min(100%, 40svh);margin-inline:auto}
  .info{align-items:center;gap:10px}
  .dname{font-size:15px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
  .dsub{display:none}
  .tag{transform:none;padding:4px 10px 4px 20px;display:flex;align-items:baseline;gap:6px;box-shadow:none}
  .tag .tl{display:none}
  .tag .price{font-size:16px}
  .chips{grid-template-columns:repeat(auto-fill,minmax(140px,1fr))}
  .chip{padding:8px 9px;font-size:13.5px}
  .base-grid{grid-template-columns:repeat(auto-fill,minmax(128px,1fr));gap:8px}
  .base canvas{width:64px;height:64px}
  .base .bd{display:none}
  .panel{padding:0 12px 16px}
}