/* ============ Restaurant Ops Hub — professional design system (offline, no external assets) ============ */
:root{
  color-scheme:light;
  --bg:#f2f4f6; --surface:#ffffff; --surface-2:#f7f9fa; --input-bg:#ffffff;
  --ink:#1b2431; --muted:#68727f; --faint:#98a1ad; --label-ink:#39434f; --pill-ink:#4a5568;
  --line:#e0e5ea; --line-soft:#edf0f4; --track:#e8ecf0; --input-border:#ccd3db;
  --ghost-border:#cfd6de; --ghost-border-hover:#a9b4c0; --red-line:#eec2bb;
  --overdue-bg:#fdf4f3; --card-hi:#fffdf7;
  --accent:#166b4d; --accent-hover:#0e5039; --accent-ink:#166b4d; --accent-deep:#0e5039; --accent-soft:#e1efe7;
  --red:#b3372c; --red-hover:#8c2a21; --red-ink:#b3372c; --red-deep:#8c2a21; --red-soft:#f9e9e6;
  --amber:#8a5f0e; --amber-ink:#8a5f0e; --amber-text:#6b5110; --amber-soft:#faf3dd; --amber-line:#e9d48f;
  --blue:#2f5d86; --blue-hover:#234a6d; --blue-ink:#2f5d86; --blue-deep:#234a6d; --blue-soft:#e8f0f8;
  --tip-bg:#1c2536; --tip-ink:#ffffff;
  --side:#141b29; --side-ink:#b9c2d2; --side-dim:#7e8899;
  --radius:10px; --shadow:0 1px 2px rgba(16,24,40,.06);
  --sidebar-w:250px;
}
[data-theme="dark"]{
  color-scheme:dark;
  --bg:#0e1320; --surface:#17202f; --surface-2:#1d2740; --input-bg:#121a2a;
  --ink:#e9edf3; --muted:#9aa5b5; --faint:#7d8899; --label-ink:#c9d1dd; --pill-ink:#b9c2d2;
  --line:#27334b; --line-soft:#1f2a40; --track:#27334b; --input-border:#35435f;
  --ghost-border:#35435f; --ghost-border-hover:#4c5d7e; --red-line:#5a322c;
  --overdue-bg:#2e201d; --card-hi:#1a2438;
  --accent:#166b4d; --accent-hover:#1e8a5f; --accent-ink:#5cb98c; --accent-deep:#8fd6b2; --accent-soft:#14362b;
  --red:#b3372c; --red-hover:#c14a3c; --red-ink:#e58a7d; --red-deep:#f0a89e; --red-soft:#38211e;
  --amber:#c9a227; --amber-ink:#d9b64a; --amber-text:#dcc078; --amber-soft:#2c2515; --amber-line:#5c4d1f;
  --blue:#2f5d86; --blue-hover:#3a6f9e; --blue-ink:#7fb0d8; --blue-deep:#a9cbe8; --blue-soft:#1b2a40;
  --tip-bg:#e9edf3; --tip-ink:#141b29;
  --side:#141b29; --side-ink:#b9c2d2; --side-dim:#7e8899;
  --shadow:0 1px 2px rgba(0,0,0,.45);
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html{font-size:16px}
body{margin:0;background:var(--bg);color:var(--ink);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  line-height:1.5;padding-bottom:172px;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
.wrap{max-width:720px;margin:0 auto;padding:0 16px}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
/* ---- inline SVG icons ---- */
.svgic{display:inline-flex;flex-shrink:0;vertical-align:-.16em}
.svgic svg{width:1.05em;height:1.05em;display:block}
.brand-mark{display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;
  border-radius:8px;background:var(--accent);color:#fff;flex-shrink:0}
.brand-mark .svgic{font-size:19px}
/* ---- header ---- */
.app-head{background:var(--side);color:#fff;position:sticky;top:0;z-index:50;border-bottom:1px solid #0b1120}
.head-inner{max-width:720px;margin:0 auto;padding:11px 16px;display:flex;align-items:center;gap:11px}
.app-head h1{font-size:1.02rem;margin:0;font-weight:650;letter-spacing:-.01em;display:flex;align-items:center;gap:10px;min-width:0}
.app-head h1 span:last-child{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.app-head .sub{font-size:.74rem;color:var(--side-ink);margin-left:auto;white-space:nowrap}
/* ---- tabs ---- */
.tab{display:none}
.tab.active{display:block;animation:tabIn .2s ease-out}
@keyframes tabIn{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}
@keyframes cardIn{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
.tab.active .card{animation:cardIn .24s cubic-bezier(.22,.68,.32,1) both}
.tab h2{font-size:1.38rem;font-weight:700;letter-spacing:-.02em;margin:20px 0 14px;padding-bottom:10px;border-bottom:1px solid var(--line)}
/* ---- cards ---- */
.card{background:var(--surface);border:1px solid var(--line);border-radius:12px;
  padding:16px;margin:0 0 14px;box-shadow:var(--shadow)}
.card h3{margin:0 0 10px;font-size:1rem;font-weight:650;letter-spacing:-.01em}
.card h3 .svgic{color:var(--accent-ink);margin-right:7px;font-size:1.05em}
.card-head{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:10px}
.card-head h3{margin:0}
.kv{display:flex;justify-content:space-between;gap:12px;padding:8px 0;border-bottom:1px solid var(--line-soft);font-size:.93rem}
.kv:last-child{border-bottom:0}
.kv .k{color:var(--muted)}
.kv .v{font-weight:650;text-align:right;font-variant-numeric:tabular-nums}
.big{font-size:1.55rem;font-weight:750;letter-spacing:-.02em}
/* ---- KPI stats ---- */
.stat-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.stat{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:13px 14px;box-shadow:var(--shadow)}
.stat .lbl{display:flex;align-items:center;gap:7px;font-size:.68rem;font-weight:700;color:var(--muted);text-transform:uppercase;letter-spacing:.06em}
.stat .lbl .svgic{color:var(--accent-ink);font-size:.95rem}
.stat .num{font-size:1.5rem;font-weight:750;margin-top:4px;letter-spacing:-.02em;font-variant-numeric:tabular-nums}
.stat .det{font-size:.78rem;color:var(--muted);margin-top:3px;line-height:1.4}
/* ---- pills & tags ---- */
.pill{display:inline-flex;align-items:center;background:var(--surface-2);color:var(--pill-ink);
  border-radius:999px;padding:2px 10px;font-size:.7rem;font-weight:650;letter-spacing:.02em;white-space:nowrap}
.pill-accent{background:var(--accent-soft);color:var(--accent-deep)}
.tag{display:inline-flex;align-items:center;font-size:.68rem;font-weight:700;border-radius:6px;padding:3px 9px;text-transform:uppercase;letter-spacing:.05em;white-space:nowrap}
.tag-paid{background:var(--accent-soft);color:var(--accent-deep)}
.tag-unpaid{background:var(--surface-2);color:var(--pill-ink)}
.tag-overdue{background:var(--red);color:#fff}
.tag-info{background:var(--blue-soft);color:var(--blue-deep)}
/* ---- buttons ---- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid transparent;border-radius:9px;
  padding:12px 18px;font-size:.94rem;font-weight:650;cursor:pointer;min-height:48px;text-align:center;text-decoration:none;
  font-family:inherit;transition:background .12s ease,border-color .12s ease}
.btn:active{transform:translateY(1px)}
.btn .svgic{font-size:1.02rem}
.btn-primary{background:var(--accent);color:#fff;width:100%}
.btn-primary:hover{background:var(--accent-hover)}
.btn-green{background:var(--accent);color:#fff}
.btn-green:hover{background:var(--accent-hover)}
.btn-blue{background:var(--blue);color:#fff}
.btn-blue:hover{background:var(--blue-hover)}
.btn-ghost{background:var(--surface);border-color:var(--ghost-border);color:var(--ink)}
.btn-ghost:hover{border-color:var(--ghost-border-hover);background:var(--surface-2)}
.btn-danger{background:var(--red-soft);color:var(--red-deep);border-color:var(--red-line)}
.btn-danger:hover{background:#f6ddd8}
.btn-danger-solid{background:var(--red);color:#fff;width:100%}
.btn-danger-solid:hover{background:var(--red-hover)}
.btn-row{display:flex;gap:8px;flex-wrap:wrap;margin:12px 0}
.btn-row .btn{flex:1;min-width:120px}
.icon-btn{display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--ghost-border);background:var(--surface);
  border-radius:8px;min-width:44px;min-height:44px;cursor:pointer;color:var(--label-ink);font-size:1rem}
.icon-btn:hover{border-color:var(--ghost-border-hover);background:var(--surface-2)}
.icon-btn.danger{color:var(--red-ink)}
.icon-btn.danger:hover{background:var(--red-soft);border-color:var(--red-line)}
/* ---- forms ---- */
.field{margin:0 0 12px}
.field label{display:block;font-weight:600;font-size:.84rem;margin-bottom:6px;color:var(--label-ink)}
.field input,.field select,.field textarea{width:100%;padding:11px 12px;border:1px solid var(--input-border);
  border-radius:8px;font-size:1rem;background:var(--input-bg);color:var(--ink);min-height:48px;font-family:inherit}
.field textarea{min-height:84px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--accent-ink);box-shadow:0 0 0 3px rgba(22,107,77,.14)}
.field .err{color:var(--red-ink);font-size:.8rem;margin-top:4px;display:none}
.field.invalid input,.field.invalid select{border-color:var(--red-ink)}
.field.invalid input:focus,.field.invalid select:focus{box-shadow:0 0 0 3px rgba(179,55,44,.14)}
.field.invalid .err{display:flex;align-items:center;gap:7px;font-weight:600}
.field.invalid .err::before{content:"!";display:inline-flex;align-items:center;justify-content:center;width:16px;height:16px;flex-shrink:0;
  border-radius:50%;background:var(--red);color:#fff;font-size:11px;font-weight:800}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.hint{font-size:.8rem;color:var(--muted)}
.notes-line{display:flex;gap:8px;align-items:flex-start}
.notes-line .svgic{color:var(--faint);margin-top:2px}
/* ---- lists ---- */
.item{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:13px 14px;margin-bottom:10px;box-shadow:var(--shadow)}
.item .row1{display:flex;justify-content:space-between;align-items:flex-start;gap:10px}
.item .meta{font-size:.8rem;color:var(--muted);margin-top:4px;line-height:1.55}
.thumb{width:64px;height:64px;object-fit:cover;border-radius:8px;border:1px solid var(--line);margin-top:8px}
/* ---- data tables ---- */
.tbl-wrap{overflow-x:auto;margin:0 -16px;padding:0 16px}
.tbl{width:100%;border-collapse:collapse;font-size:.9rem;min-width:540px}
.tbl thead th{font-size:.68rem;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);
  text-align:left;padding:9px 12px;border-bottom:2px solid var(--line);white-space:nowrap;background:var(--surface);
  position:sticky;top:0;z-index:2}
.tbl tbody td{padding:11px 12px;border-bottom:1px solid var(--line-soft);vertical-align:middle}
.tbl tbody tr:last-child td{border-bottom:0}
.tbl tbody tr:hover{background:var(--surface-2)}
.tbl-wrap.tall{max-height:62vh;overflow-y:auto}
.tbl .num{text-align:right;font-variant-numeric:tabular-nums;white-space:nowrap}
.tbl .th-act,.tbl .td-act{text-align:right;white-space:nowrap;width:1%}
.tbl .meta{font-size:.78rem;color:var(--muted);margin-top:2px}
.row-overdue td{background:var(--overdue-bg)}
/* ---- checklists ---- */
.chk{display:flex;gap:12px;align-items:flex-start;padding:11px 2px;border-bottom:1px solid var(--line-soft);cursor:pointer;font-size:.94rem}
.chk:last-child{border-bottom:0}
.chk input[type=checkbox]{width:22px;height:22px;min-width:22px;margin-top:1px;accent-color:var(--accent);cursor:pointer}
.chk.done .txt{color:var(--faint);text-decoration:line-through}
.chk .txt{flex:1}
/* ---- bar charts ---- */
.bar-row{display:flex;align-items:center;gap:10px;margin:9px 0;font-size:.88rem}
.bar-lbl{width:104px;flex-shrink:0;color:var(--muted);font-size:.8rem}
.bar-track{flex:1;background:var(--track);border-radius:999px;height:10px;overflow:hidden}
.bar-fill{height:100%;background:var(--accent-ink);border-radius:999px;min-width:3px;
  transition:width .55s cubic-bezier(.22,.68,.32,1)}
.bar-val{width:86px;text-align:right;font-weight:650;font-size:.84rem;font-variant-numeric:tabular-nums}
/* ---- disclaimer ---- */
.disclaimer{background:var(--amber-soft);border:1px solid var(--amber-line);border-radius:10px;padding:12px 14px;
  font-size:.84rem;margin:0 0 14px;color:var(--amber-text);display:flex;gap:10px;align-items:flex-start;line-height:1.5}
.disclaimer .svgic{color:var(--amber-ink);font-size:1.05rem;margin-top:1px}
/* ---- navigation ---- */
.nav{position:fixed;bottom:0;left:0;right:0;background:var(--surface);border-top:1px solid var(--line);
  display:grid;grid-template-columns:repeat(5,1fr);z-index:60;
  padding:6px 2px calc(6px + env(safe-area-inset-bottom));box-shadow:0 -2px 14px rgba(16,24,40,.07)}
.nav button{border:0;background:none;padding:8px 2px 6px;font-size:.6rem;line-height:1.25;color:var(--muted);
  cursor:pointer;display:flex;flex-direction:column;align-items:center;gap:3px;min-height:58px;font-weight:650;font-family:inherit}
.nav .nav-ic{display:inline-flex}
.nav .nav-ic .svgic{font-size:22px}
.nav button.active{color:var(--accent-ink)}
.side-brand{display:none}
/* ---- empty states ---- */
.empty{text-align:center;color:var(--muted);padding:30px 14px;font-size:.93rem}
.empty-inline{padding:6px 2px;color:var(--muted);font-size:.88rem}
/* ---- desktop layout ---- */
@media(min-width:960px){
  body{padding-bottom:48px}
  .wrap{max-width:1140px;margin-left:var(--sidebar-w);padding:0 32px}
  .app-head{margin-left:var(--sidebar-w);background:var(--surface);color:var(--ink);border-bottom:1px solid var(--line)}
  .head-inner{max-width:1140px;padding:13px 32px}
  .app-head .brand-mark{display:none}
  .app-head .sub{color:var(--muted)}
  .nav{top:0;bottom:0;left:0;right:auto;width:var(--sidebar-w);display:flex;flex-direction:column;align-items:stretch;
    background:var(--side);border-top:0;border-right:1px solid #0b1120;padding:22px 14px;gap:3px;overflow-y:auto;box-shadow:none}
  .side-brand{display:flex;align-items:center;gap:11px;padding:2px 8px 18px;margin-bottom:12px;border-bottom:1px solid #232e45}
  .side-brand .brand-mark{width:36px;height:36px}
  .side-brand .brand-mark .svgic{font-size:21px}
  .side-brand-txt{display:flex;flex-direction:column;line-height:1.3}
  .side-brand-txt b{color:#fff;font-size:.93rem;font-weight:700;letter-spacing:-.01em}
  .side-brand-txt i{color:var(--side-dim);font-style:normal;font-size:.7rem;letter-spacing:.04em;text-transform:uppercase}
  .nav button{flex-direction:row;justify-content:flex-start;gap:12px;padding:10px 12px;font-size:.9rem;
    border-radius:8px;color:var(--side-ink);min-height:44px;width:100%;text-align:left}
  .nav .nav-ic .svgic{font-size:19px}
  .nav button:hover{background:rgba(255,255,255,.06);color:#fff}
  .nav button.active{background:var(--accent);color:#fff}
  .stat-grid{grid-template-columns:repeat(3,1fr)}
  .tab h2{margin-top:26px}
}
/* ---- print ---- */
@media print{
  :root,[data-theme="dark"]{
    color-scheme:light;
    --bg:#fff; --surface:#fff; --surface-2:#f7f9fa; --input-bg:#fff;
    --ink:#1b2431; --muted:#68727f; --faint:#98a1ad; --label-ink:#39434f; --pill-ink:#4a5568;
    --line:#e0e5ea; --line-soft:#edf0f4; --track:#e8ecf0; --input-border:#ccd3db;
    --ghost-border:#cfd6de; --ghost-border-hover:#a9b4c0; --red-line:#eec2bb;
    --overdue-bg:#fdf4f3; --card-hi:#fffdf7;
    --accent:#166b4d; --accent-hover:#0e5039; --accent-ink:#166b4d; --accent-deep:#0e5039; --accent-soft:#e1efe7;
    --red:#b3372c; --red-hover:#8c2a21; --red-ink:#b3372c; --red-deep:#8c2a21; --red-soft:#f9e9e6;
    --amber:#8a5f0e; --amber-ink:#8a5f0e; --amber-text:#6b5110; --amber-soft:#faf3dd; --amber-line:#e9d48f;
    --blue:#2f5d86; --blue-hover:#234a6d; --blue-ink:#2f5d86; --blue-deep:#234a6d; --blue-soft:#e8f0f8;
    --tip-bg:#1c2536; --tip-ink:#fff;
    --shadow:none;
  }
  .nav,.app-head,.no-print,.toast-wrap,.modal-overlay,.chart-tip{display:none!important}
  body{padding-bottom:0;background:#fff}
  .wrap{max-width:100%;margin-left:0}
  .card,.item{box-shadow:none;break-inside:avoid}
  .tbl-wrap{overflow:visible;margin:0;padding:0}
  .tbl{min-width:0}
  .tbl tbody tr:hover{background:none}
  .tab.active .card{animation:none}
}

/* ---- theme toggle ---- */
.theme-btn{margin-left:10px;display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;
  border-radius:9px;border:1px solid rgba(255,255,255,.16);background:rgba(255,255,255,.07);color:#fff;cursor:pointer;flex-shrink:0}
.theme-btn:hover{background:rgba(255,255,255,.14)}
.theme-btn .svgic{font-size:18px}
@media(min-width:960px){
  .theme-btn{border-color:var(--line);background:var(--surface-2);color:var(--ink)}
  .theme-btn:hover{background:var(--line-soft)}
}
/* ---- toasts ---- */
.toast-wrap{position:fixed;left:0;right:0;bottom:calc(84px + env(safe-area-inset-bottom));z-index:300;display:flex;
  flex-direction:column;align-items:center;gap:8px;padding:0 16px;pointer-events:none}
.toast{display:flex;align-items:center;gap:10px;background:#1c2536;color:#fff;border-radius:10px;padding:12px 16px;
  font-size:.9rem;font-weight:600;box-shadow:0 10px 30px rgba(0,0,0,.3);opacity:0;transform:translateY(10px);
  transition:opacity .22s ease-out,transform .22s ease-out;max-width:480px;pointer-events:auto;line-height:1.45}
.toast.show{opacity:1;transform:none}
.toast .svgic{font-size:1.15rem;flex-shrink:0}
.toast-success .svgic{color:#5fce96}
.toast-error .svgic{color:#f08a7d}
.toast-info .svgic{color:#8fb8dd}
/* ---- modal ---- */
.modal-overlay{position:fixed;inset:0;background:rgba(15,20,32,.55);z-index:200;display:flex;align-items:center;
  justify-content:center;padding:20px;animation:tabIn .18s ease-out}
.modal-card{background:var(--surface);border:1px solid var(--line);border-radius:14px;max-width:400px;width:100%;
  padding:26px 24px;text-align:center;box-shadow:0 18px 50px rgba(0,0,0,.25);animation:cardIn .22s cubic-bezier(.22,.68,.32,1)}
.modal-card h3{margin:0 0 8px;font-size:1.12rem;letter-spacing:-.01em}
.modal-card p{color:var(--muted);font-size:.92rem;margin:0 0 20px;line-height:1.55;white-space:pre-line}
.modal-ic{width:50px;height:50px;border-radius:50%;background:var(--accent-soft);color:var(--accent-ink);
  display:inline-flex;align-items:center;justify-content:center;font-size:23px;margin-bottom:14px}
.modal-ic.danger{background:var(--red-soft);color:var(--red-deep)}
.modal-btns{display:flex;gap:10px}
.modal-btns .btn{width:auto;flex:1;min-height:48px}
/* ---- empty states ---- */
.empty-state{text-align:center;padding:38px 20px;max-width:430px;margin:0 auto}
.es-ic{width:58px;height:58px;border-radius:18px;background:var(--accent-soft);color:var(--accent-ink);
  display:inline-flex;align-items:center;justify-content:center;font-size:26px;margin:0 auto 14px}
.es-head{font-weight:700;font-size:1.02rem;letter-spacing:-.01em}
.es-sub{color:var(--muted);font-size:.88rem;margin-top:6px;line-height:1.55}
.es-btn{width:auto;margin-top:16px;padding:11px 24px;min-height:46px}
.empty-inline2{display:flex;align-items:center;justify-content:center;gap:10px;padding:18px 10px;color:var(--muted);font-size:.88rem}
.empty-inline2 .svgic{color:var(--faint);font-size:1.2rem}
/* ---- sales trend chart ---- */
.chart-wrap{position:relative}
.sales-chart{width:100%;height:auto;display:block}
.ct-grid{stroke:var(--line-soft);stroke-width:1}
.ct-axlbl{fill:var(--faint);font-size:10px}
.ct-vallbl{fill:var(--muted);font-size:10px;font-variant-numeric:tabular-nums}
.ct-line{fill:none;stroke:var(--accent-ink);stroke-width:2.5;stroke-linecap:round;stroke-linejoin:round}
.ct-area{fill:var(--accent-ink);opacity:.13}
.ct-avg{stroke:var(--faint);stroke-width:1.5;stroke-dasharray:5 4}
.ct-avglbl{fill:var(--faint);font-size:10px}
.ct-pt{fill:var(--accent-ink);stroke:var(--surface);stroke-width:2}
.ct-mmlbl{fill:var(--muted);font-size:10.5px;font-weight:700}
.ct-hit{cursor:crosshair}
.chart-tip{position:absolute;pointer-events:none;background:var(--tip-bg);color:var(--tip-ink);border-radius:8px;
  padding:7px 11px;font-size:.78rem;font-weight:700;white-space:nowrap;transform:translate(-50%,-135%);opacity:0;
  transition:opacity .12s ease-out;z-index:5;font-variant-numeric:tabular-nums;box-shadow:0 6px 18px rgba(0,0,0,.22)}
.chart-tip .tt-sub{display:block;font-weight:400;opacity:.72;font-size:.7rem}
@media (prefers-reduced-motion: no-preference){
  .ct-line{stroke-dasharray:1;stroke-dashoffset:1;animation:ctDraw .9s cubic-bezier(.22,.68,.32,1) .1s forwards}
  @keyframes ctDraw{to{stroke-dashoffset:0}}
  .ct-area{opacity:0;animation:ctFade .6s ease-out .45s forwards}
  @keyframes ctFade{to{opacity:.13}}
}
/* ---- focus visibility ---- */
button:focus-visible,a:focus-visible,.icon-btn:focus-visible,.theme-btn:focus-visible,
input[type=checkbox]:focus-visible,input[type=radio]:focus-visible{outline:2px solid var(--accent-ink);outline-offset:2px;border-radius:6px}
.kv a{color:var(--accent-ink);font-weight:600}
/* ---- smooth theme + state transitions ---- */
@media (prefers-reduced-motion: no-preference){
  body,.card,.item,.stat,.nav,.app-head,.tbl thead th,.pill,.chk,.kv,.thumb,.modal-card{
    transition:background-color .25s ease,border-color .25s ease,color .25s ease}
  .btn{transition:background-color .15s ease,border-color .15s ease,color .15s ease,transform .1s ease}
  .field input,.field select,.field textarea{transition:border-color .25s ease,background-color .25s ease,box-shadow .15s ease}
}
/* ---- reduced motion ---- */
@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}
}

/* ---- SaaS edition: auth gate, onboarding, restaurant switcher ---- */
#authGate{display:none;position:fixed;inset:0;z-index:300;background:var(--bg);align-items:flex-start;justify-content:center;padding:48px 16px;overflow-y:auto}
#authGate.open{display:flex}
.auth-card{width:100%;max-width:430px;background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:28px 24px;box-shadow:var(--shadow);animation:cardIn .25s ease-out}
.auth-brand{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.auth-brand h2{margin:0;font-size:1.25rem;letter-spacing:-.02em}
.auth-sub{color:var(--muted);font-size:.9rem;margin:0 0 6px}
.auth-tabs{display:flex;background:var(--surface-2);border-radius:10px;padding:4px;margin:14px 0 18px}
.auth-tabs button{flex:1;border:0;background:transparent;padding:10px;border-radius:8px;font:inherit;font-weight:650;color:var(--muted);cursor:pointer}
.auth-tabs button.on{background:var(--surface);color:var(--ink);box-shadow:var(--shadow)}
.auth-err{display:none;background:var(--red-soft);color:var(--red-deep);border:1px solid var(--red-line);border-radius:9px;padding:10px 12px;font-size:.87rem;margin-bottom:14px}
.auth-err.show{display:block}
.auth-ok{display:none;background:var(--accent-soft);color:var(--accent-deep);border-radius:9px;padding:12px;font-size:.88rem;margin-bottom:14px}
.auth-ok.show{display:block}
.auth-switch{text-align:center;margin-top:16px;font-size:.88rem;color:var(--muted)}
.auth-switch button{background:none;border:0;color:var(--accent-ink);font:inherit;font-weight:700;cursor:pointer;padding:0}
.spin{width:34px;height:34px;border:3px solid var(--line);border-top-color:var(--accent);border-radius:50%;margin:26px auto;animation:spin .8s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.rest-switch{background:rgba(255,255,255,.09);color:#fff;border:1px solid rgba(255,255,255,.2);border-radius:8px;padding:8px 6px;font-size:.8rem;font-family:inherit;max-width:150px;margin-left:8px;cursor:pointer}
.rest-switch option{color:#111;background:#fff}