:root{
  --bg:#f7f1e8; --surface:#fffdf9; --surface-2:#f1e8db; --ink:#2b2119; --muted:#7a6a5c;
  --line:#e4d8c8; --brand:#7b4a2b; --brand-2:#a8673d; --brand-ink:#fff; --accent:#3f7d5c;
  --danger:#b23a2e; --warn:#b7791f; --radius:14px; --shadow:0 2px 10px rgba(60,35,15,.08);
}
@media (prefers-color-scheme: dark){
  :root{ --bg:#1b1511; --surface:#251d17; --surface-2:#30261e; --ink:#f3e9dd; --muted:#b5a594;
    --line:#3d3127; --brand:#d39a6a; --brand-2:#e2b58c; --brand-ink:#1b1511; --accent:#7cc39b;
    --danger:#ef7b6e; --warn:#e8b45a; --shadow:0 2px 10px rgba(0,0,0,.35); }
}
*{box-sizing:border-box}
html,body{margin:0;background:var(--bg);color:var(--ink);
  font-family:'Prompt','Sarabun',system-ui,-apple-system,sans-serif;font-size:16px;line-height:1.5}
button,input,select,textarea{font:inherit;color:inherit}
a{color:var(--brand)}
.hidden{display:none!important}
.wrap{max-width:1100px;margin:0 auto;padding:0 16px}

/* header */
.top{position:sticky;top:0;z-index:20;background:var(--bg);border-bottom:1px solid var(--line);padding:12px 0 10px}
.top .row{display:flex;align-items:center;gap:12px}
.brand{display:flex;align-items:center;gap:10px;font-weight:600;font-size:1.15rem}
.brand img{width:36px;height:36px;border-radius:10px}
.spacer{flex:1}

/* controls */
.btn{border:1px solid var(--line);background:var(--surface);border-radius:10px;padding:8px 14px;cursor:pointer;white-space:nowrap}
.btn:hover{border-color:var(--brand-2)}
.btn.primary{background:var(--brand);border-color:var(--brand);color:var(--brand-ink)}
.btn.danger{color:var(--danger)}
.btn.small{padding:4px 10px;font-size:.88rem}
.btn:disabled{opacity:.5;cursor:default}
input[type=text],input[type=number],input[type=password],input[type=search],select,textarea{
  width:100%;border:1px solid var(--line);background:var(--surface);border-radius:10px;padding:9px 12px;outline:none}
input:focus,select:focus,textarea:focus{border-color:var(--brand-2)}
textarea{min-height:90px;resize:vertical}
label.f{display:block;font-size:.85rem;color:var(--muted);margin:10px 0 4px}
.search{margin-top:10px}
.chips{display:flex;gap:8px;overflow-x:auto;padding:10px 0 2px;scrollbar-width:none}
.chips::-webkit-scrollbar{display:none}
.chip{flex:none;border:1px solid var(--line);background:var(--surface);border-radius:999px;padding:5px 14px;cursor:pointer;font-size:.92rem}
.chip.on{background:var(--brand);color:var(--brand-ink);border-color:var(--brand)}

/* staff grid */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:12px;padding:16px 0 40px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;cursor:pointer;box-shadow:var(--shadow);text-align:left;padding:0}
.card .ph{aspect-ratio:1/1;background:var(--surface-2);display:flex;align-items:center;justify-content:center;font-size:2.6rem;color:var(--muted)}
.card .ph img{width:100%;height:100%;object-fit:cover}
.card .cb{padding:9px 11px 11px}
.card .nm{font-weight:600;line-height:1.3}
.card .ct{font-size:.8rem;color:var(--muted)}
.empty{text-align:center;color:var(--muted);padding:60px 16px}

/* sheet / modal */
.overlay{position:fixed;inset:0;background:rgba(20,12,6,.45);z-index:50;display:flex;align-items:flex-end;justify-content:center}
@media (min-width:720px){.overlay{align-items:center}}
.sheet{background:var(--surface);width:100%;max-width:640px;max-height:94vh;overflow:auto;border-radius:18px 18px 0 0;box-shadow:0 -6px 30px rgba(0,0,0,.25)}
@media (min-width:720px){.sheet{border-radius:18px}}
.sheet.wide{max-width:900px}
/* หน้าดูสูตรของพนักงาน: เต็มจอ */
.overlay.full{background:var(--bg);align-items:stretch}
.sheet.full{max-width:none;max-height:none;height:100%;height:100dvh;border-radius:0;box-shadow:none;background:var(--bg)}
.sheet.full .hd{background:var(--bg);padding-top:calc(12px + env(safe-area-inset-top))}
.sheet.full .bd{max-width:720px;margin:0 auto;padding-bottom:calc(32px + env(safe-area-inset-bottom))}
.backBtn{font-weight:600}
.sheet .hd{position:sticky;top:0;background:var(--surface);display:flex;align-items:center;gap:10px;padding:14px 16px;border-bottom:1px solid var(--line);z-index:2}
.sheet .hd h2{margin:0;font-size:1.15rem;flex:1}
.sheet .bd{padding:16px}
.sheet .ft{position:sticky;bottom:0;background:var(--surface);border-top:1px solid var(--line);padding:12px 16px;display:flex;gap:8px;justify-content:flex-end}
.x{border:0;background:var(--surface-2);width:34px;height:34px;border-radius:50%;cursor:pointer;font-size:1.1rem}
.hero{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:12px;background:var(--surface-2)}
.tabs{display:flex;gap:6px;flex-wrap:wrap;margin:12px 0}
.tab{border:1px solid var(--line);background:var(--surface);border-radius:10px;padding:7px 16px;cursor:pointer;font-weight:500}
.tab.on{background:var(--brand);border-color:var(--brand);color:var(--brand-ink)}
.ing{list-style:none;padding:0;margin:0;border:1px solid var(--line);border-radius:12px;overflow:hidden}
.ing li{display:flex;justify-content:space-between;gap:12px;padding:11px 14px;border-top:1px solid var(--line);font-size:1.05rem}
.ing li:first-child{border-top:0}
.ing .q{font-weight:700;color:var(--brand);white-space:nowrap}
.ing .n small{display:block;color:var(--muted);font-size:.82rem}
.steps{padding-left:0;margin:0;list-style:none;counter-reset:s}
.steps li{counter-increment:s;position:relative;padding:8px 0 8px 40px;border-bottom:1px dashed var(--line)}
.steps li::before{content:counter(s);position:absolute;left:0;top:8px;width:28px;height:28px;border-radius:50%;background:var(--surface-2);display:flex;align-items:center;justify-content:center;font-weight:700;color:var(--brand);font-size:.9rem}
h3.sec{font-size:.95rem;color:var(--muted);margin:18px 0 8px;font-weight:600}
.note{background:var(--surface-2);border-radius:12px;padding:10px 14px;white-space:pre-wrap}
.mult{display:flex;align-items:center;gap:8px}
.mult b{min-width:56px;text-align:center}

/* admin */
.nav{display:flex;gap:6px;margin-top:10px;flex-wrap:wrap}
table{width:100%;border-collapse:collapse;background:var(--surface);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
th,td{padding:9px 10px;border-bottom:1px solid var(--line);text-align:left;vertical-align:middle}
th{font-size:.82rem;color:var(--muted);font-weight:500;background:var(--surface-2)}
td.num,th.num{text-align:right;white-space:nowrap}
tr.click{cursor:pointer}
tr.click:hover td{background:var(--surface-2)}
.tbl-wrap{overflow-x:auto;margin:14px 0 40px;border-radius:var(--radius)}
.pill{display:inline-block;font-size:.78rem;padding:1px 8px;border-radius:999px;background:var(--surface-2);color:var(--muted)}
.good{color:var(--accent)} .bad{color:var(--danger)} .mid{color:var(--warn)}
.toolbar{display:flex;gap:8px;align-items:center;margin-top:16px;flex-wrap:wrap}
.toolbar input,.toolbar select{width:auto;flex:1;min-width:160px}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:0 12px}
@media (max-width:560px){.grid2{grid-template-columns:1fr}}
.variant{border:1px solid var(--line);border-radius:12px;padding:12px;margin:10px 0;background:var(--bg)}
.variant .vh{display:flex;gap:8px;align-items:center}
.variant .vh input{flex:1}
.irow{display:grid;grid-template-columns:1fr 90px 52px 36px 70px 32px;gap:6px;align-items:center;margin-top:6px}
.iSweet{width:34px;height:34px;border-radius:50%;border:1px solid var(--line);background:var(--surface);cursor:pointer;font-size:1rem;filter:grayscale(1);opacity:.45;padding:0}
.iSweet.on{filter:none;opacity:1;background:#fde7ef;border-color:#e98aa8}
.sweet-row{display:grid;grid-template-columns:repeat(4,1fr);gap:6px;margin:14px 0 2px}
.sweet-row .lbl{grid-column:1/-1;font-size:.85rem;color:var(--muted);font-weight:600}
.sw{border:1px solid var(--line);background:var(--surface);border-radius:12px;padding:8px 4px;line-height:1.2;cursor:pointer;font-weight:600;font-size:.95rem}
.sw.on{background:#e0457b;border-color:#e0457b;color:#fff}
.ing li.sweet .q, .steps li.sweet .q{color:#d03a6f}
.tag-sw{display:inline-block;font-size:.72rem;font-weight:600;color:#d03a6f;background:#fde7ef;border-radius:999px;padding:0 7px;margin-left:6px;vertical-align:1px}
.irow .u{font-size:.85rem;color:var(--muted)}
.irow .c{font-size:.85rem;text-align:right;color:var(--muted)}
.srow{display:grid;grid-template-columns:22px 1fr 84px 72px 32px;gap:6px;align-items:center;margin-top:6px}
.srow .sn{font-weight:700;color:var(--brand);text-align:center;font-size:.9rem}
@media (max-width:420px){.srow{grid-template-columns:16px 1fr 72px 48px 30px;gap:4px}.srow input,.irow input,.irow select{padding:9px 8px}
.irow{grid-template-columns:1fr 60px 24px 32px 46px 30px;gap:4px}.iSweet{width:30px;height:30px}.irow .c{font-size:.78rem}}
.steps .q{font-weight:700;color:var(--brand);white-space:nowrap}
.steps li{display:flex;justify-content:space-between;gap:12px}
.vsum{display:flex;gap:14px;flex-wrap:wrap;justify-content:flex-end;margin-top:10px;font-size:.92rem}
.imgbox{display:flex;gap:12px;align-items:center}
.imgbox img,.imgbox .ph{width:92px;height:92px;border-radius:12px;object-fit:cover;background:var(--surface-2);display:flex;align-items:center;justify-content:center;font-size:2rem}
.toast{position:fixed;left:50%;bottom:22px;transform:translateX(-50%);background:var(--ink);color:var(--bg);padding:10px 18px;border-radius:12px;z-index:99;box-shadow:var(--shadow)}
.login{max-width:360px;margin:12vh auto;background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:28px 22px;box-shadow:var(--shadow);text-align:center}
.login img{width:72px;height:72px;border-radius:18px}
.login h1{font-size:1.25rem;margin:12px 0 4px}
.login p{color:var(--muted);margin:0 0 16px;font-size:.92rem}
.login .err{color:var(--danger);font-size:.9rem;min-height:1.4em;margin-top:8px}
.switch{display:flex;align-items:center;gap:8px;margin-top:12px;cursor:pointer}
.muted{color:var(--muted)}
@media print{.top,.nav,.toolbar,.btn{display:none!important} body{background:#fff}}

/* ปุ่มเมนู (กลับหน้าแรกของแอป) */
.menu-btn{display:inline-flex;align-items:center;gap:6px;height:38px;padding:0 13px 0 11px;border-radius:12px;border:0;
  background:var(--surface-2);color:var(--brand);font:inherit;font-size:14px;font-weight:600;text-decoration:none!important;cursor:pointer;flex:none;-webkit-tap-highlight-color:transparent}
.menu-btn:active{transform:scale(.96)}
.menu-btn svg{display:block}