:root{--c:#C94A38;--bg:#FBF7F2;--ink:#1a1a1a;--muted:#6b7280;--ok:#9ca3af}
*{box-sizing:border-box}html,body{margin:0;padding:0;font:16px/1.4 system-ui,-apple-system,sans-serif;background:var(--bg);color:var(--ink);-webkit-tap-highlight-color:transparent}
header{position:sticky;top:0;z-index:5;background:var(--c);color:#fff;padding:.75rem 1rem;display:flex;flex-wrap:wrap;gap:.5rem;align-items:center;justify-content:space-between}
header h1{font-size:1.1rem;margin:0;flex:1 1 auto}
header .acts{display:flex;flex-wrap:wrap;gap:.4rem}
header button,header a.btn{background:#fff;color:var(--c);border:0;border-radius:999px;padding:.45rem .85rem;font-weight:600;font-size:.85rem;cursor:pointer;text-decoration:none}
#progress{padding:.6rem 1rem;background:#fff;border-bottom:1px solid #e5e7eb;font-weight:600}
#progress .bar{height:8px;background:#e5e7eb;border-radius:999px;margin-top:.4rem;overflow:hidden}
#progress .bar>i{display:block;height:100%;background:var(--c);width:0;transition:width .2s}
#list{padding:0 0 6rem}
.aisle{padding:.75rem 1rem .25rem;font-size:.75rem;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);font-weight:700;position:sticky;top:3.2rem;background:var(--bg)}
.item{display:flex;align-items:center;gap:.85rem;margin:.35rem .75rem;padding:.95rem 1rem;background:#fff;border-radius:14px;border:1.5px solid #e5e7eb;font-size:1.05rem;cursor:pointer;user-select:none;min-height:3.2rem;box-shadow:0 1px 2px rgba(0,0,0,.04)}
.item .chk{width:1.6rem;height:1.6rem;border:2.5px solid var(--c);border-radius:8px;flex:0 0 auto;display:grid;place-items:center;font-size:1rem;color:#fff;background:#fff}
.item.done{opacity:.55;background:#f3f4f6;border-color:#e5e7eb;order:99}
.item.done .chk{background:var(--ok);border-color:var(--ok)}
.item.done .chk::after{content:"✓"}
.item.done .txt{text-decoration:line-through;color:var(--muted)}
#doneWrap{margin-top:1rem;padding-bottom:1rem}
#doneWrap .aisle{color:var(--ok)}
#add{position:fixed;bottom:0;left:0;right:0;background:#fff;border-top:1px solid #e5e7eb;padding:.6rem .75rem calc(.6rem + env(safe-area-inset-bottom));display:flex;gap:.5rem}
#add input{flex:1;font-size:1rem;padding:.75rem .9rem;border:1.5px solid #d1d5db;border-radius:12px}
#add select{font-size:.9rem;padding:.75rem .5rem;border:1.5px solid #d1d5db;border-radius:12px;max-width:7.5rem;background:#fff}
#add button{background:var(--c);color:#fff;border:0;border-radius:12px;padding:.75rem 1rem;font-weight:700;font-size:1rem}
.empty{padding:2rem 1.25rem;text-align:center;color:var(--muted)}
#toast{position:fixed;left:50%;bottom:5.5rem;transform:translateX(-50%);background:#111;color:#fff;padding:.5rem 1rem;border-radius:999px;font-size:.85rem;opacity:0;pointer-events:none;transition:opacity .2s;z-index:9}
#toast.show{opacity:1}