/* ==========================================================================
   Concierge Pilot — Shared POS Engine (Flavor / Dessert / Coffee Vertical)
   For ice cream shops, yogurt shops, coffee shops, juice bars, smoothie shops.
   --------------------------------------------------------------------------
   Pattern: vessel category → size tile → multi-pick flavor picker.
   Each tenant defines brand variables in :root and wires window.POS_FLAVORS_CONFIG.
   ========================================================================== */

*{box-sizing:border-box;margin:0;padding:0}
:root{
  /* Defaults — tenant overrides */
  --bg:#fff7f9;
  --bg-alt:#fef7fa;
  --surface:#ffffff;
  --surface-2:#ffffff;
  --accent:#ec4899;            /* primary brand */
  --accent-deep:#be185d;
  --accent-glow:#f472b6;
  --accent-soft:#fce7f3;
  --ink:#111827;
  --ink-dim:#4b5563;
  --ink-faint:#9ca3af;
  --rule:#fce7f3;
  --line:#fce7f3;
  --danger:#ef4444;
  --success:#15803d;
  --brand-body-font: 'Inter', sans-serif;
  --brand-display-font: 'Alfa Slab One', serif;
  --brand-mono-font: 'JetBrains Mono', monospace;
}
:root[data-theme='dark']{
  --bg:#0f0a0d;
  --bg-alt:#100a0d;
  --surface:#171015;
  --surface-2:#1d141a;
  --ink:#f9fafb;
  --ink-dim:#9ca3af;
  --ink-faint:#6b7280;
  --rule:#1f1418;
  --line:#1f1418;
  --accent-soft:rgba(236,72,153,0.15);
}
html,body{height:100%;background:var(--bg);color:var(--ink);font-family:var(--brand-body-font);overflow:hidden;user-select:none;-webkit-user-select:none;-webkit-font-smoothing:antialiased}
body{display:flex;flex-direction:column}
button{font-family:inherit;cursor:pointer;border:none}

/* Top bar */
.pos-top{display:flex;align-items:center;gap:14px;padding:12px 20px;background:var(--surface);border-bottom:1px solid var(--rule);flex:0 0 auto;flex-wrap:wrap}
.pos-brand{display:flex;align-items:center;gap:10px}
.pos-brand .mark{font-family:var(--brand-display-font);font-size:1.15rem;color:var(--accent);letter-spacing:.02em;text-transform:uppercase;line-height:1}
.pos-brand h1{font-size:13px;font-weight:700;letter-spacing:2px;text-transform:uppercase;color:var(--ink)}
.pos-brand .pill{font-size:10px;padding:3px 9px;border-radius:20px;background:var(--accent);color:#fff;font-weight:700;letter-spacing:1px}
.pos-clock{font-family:var(--brand-mono-font);font-size:13px;color:var(--ink-dim);margin-left:auto}
.pos-nav-btn{background:var(--surface);border:1px solid var(--rule);color:var(--ink-dim);padding:8px 14px;border-radius:8px;font-size:12px;font-weight:600;letter-spacing:1px;cursor:pointer;text-transform:uppercase;text-decoration:none;font-family:inherit;display:inline-flex;align-items:center;gap:6px;transition:all .15s}
.pos-nav-btn:hover{background:var(--accent-soft);color:var(--accent-deep);border-color:var(--accent)}

/* Main grid */
.pos-main{flex:1;display:grid;grid-template-columns:1fr 420px;gap:2px;background:var(--rule);overflow:hidden}
.menu-wrap{display:flex;flex-direction:column;background:var(--surface);overflow:hidden}
.menu-cats{display:flex;gap:6px;padding:10px 12px;background:var(--surface);border-bottom:1px solid var(--rule);overflow-x:auto;flex:0 0 auto;scrollbar-width:thin}
.menu-cats::-webkit-scrollbar{height:4px}
.menu-cats::-webkit-scrollbar-thumb{background:var(--accent-soft);border-radius:100px}
.cat-btn{background:var(--surface);border:1.5px solid var(--rule);color:var(--ink-dim);padding:8px 16px;border-radius:8px;font-size:12px;font-weight:700;cursor:pointer;white-space:nowrap;text-transform:uppercase;letter-spacing:1px;font-family:inherit;transition:all .12s}
.cat-btn:hover{border-color:var(--accent);color:var(--accent-deep)}
.cat-btn.active{background:var(--accent);color:#fff;border-color:var(--accent)}

.menu-grid{flex:1;padding:14px;display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:10px;overflow-y:auto;align-content:start;background:var(--bg)}
.menu-grid::-webkit-scrollbar{width:8px}
.menu-grid::-webkit-scrollbar-thumb{background:var(--accent-soft);border-radius:100px}
.menu-tile{position:relative;background:var(--surface);border:1.5px solid var(--rule);border-radius:12px;padding:0;cursor:pointer;transition:all .15s;display:flex;flex-direction:column}
.menu-tile:hover{border-color:var(--accent);transform:translateY(-2px);box-shadow:0 10px 24px -12px rgba(0,0,0,0.15)}
.menu-tile:active{transform:scale(.98)}
.menu-tile.tile-soldout{opacity:.45;filter:grayscale(.4)}
.tile-img{height:110px;background:var(--accent-soft) center/cover no-repeat;flex-shrink:0;border-radius:12px 12px 0 0}
.tile-body{padding:10px 12px 12px;display:flex;flex-direction:column;gap:4px;flex:1;min-height:92px}
.tile-name{font-size:13px;font-weight:700;color:var(--ink);line-height:1.25;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;word-break:break-word}
.tile-desc{font-size:10px;color:var(--ink-faint);line-height:1.3;text-transform:uppercase;letter-spacing:.5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.tile-price{font-family:var(--brand-mono-font);font-size:14px;font-weight:700;color:var(--accent-deep);margin-top:auto;padding-top:4px}

/* 86'd availability pill */
.avail-pill{position:absolute;top:6px;right:6px;border-radius:100px;padding:3px 8px;font-size:10px;font-weight:700;letter-spacing:.04em;cursor:pointer;z-index:2;font-family:var(--brand-body-font);border:1px solid;transition:all .12s}
.avail-pill[data-on="true"]{background:#dcfce7;color:#15803d;border-color:rgba(21,128,61,0.3)}
.avail-pill[data-on="false"]{background:#fee2e2;color:#991b1b;border-color:rgba(153,27,27,0.3)}

/* Check panel */
.check-wrap{background:var(--surface);display:flex;flex-direction:column;overflow:hidden}
.check-head{padding:16px 20px;border-bottom:1px solid var(--rule);display:flex;justify-content:space-between;align-items:center;background:var(--surface)}
.check-head h2{font-size:14px;font-weight:800;text-transform:uppercase;letter-spacing:2px;color:var(--ink)}
.check-count{background:var(--accent-soft);padding:4px 12px;border-radius:20px;font-family:var(--brand-mono-font);font-size:12px;color:var(--accent-deep);font-weight:700}
.check-body{flex:1;overflow-y:auto;padding:10px 14px;background:var(--bg)}
.check-body::-webkit-scrollbar{width:6px}
.check-body::-webkit-scrollbar-thumb{background:var(--accent-soft);border-radius:100px}
.check-empty{text-align:center;color:var(--ink-faint);padding:60px 20px;font-size:12px;text-transform:uppercase;letter-spacing:2px;font-weight:600}
.check-item{display:grid;grid-template-columns:auto 1fr auto auto;gap:16px;align-items:center;padding:12px 6px;border-bottom:1px solid var(--rule)}
.qty-ctrl{display:flex;background:var(--surface);border:1px solid var(--rule);border-radius:10px;overflow:hidden;margin-right:6px}
.qty-btn{background:transparent;border:none;color:var(--accent-deep);padding:10px 12px;font-size:18px;font-weight:800;cursor:pointer;font-family:inherit;min-width:36px}
.qty-btn:hover{background:var(--accent-soft)}
.qty-val{min-width:30px;text-align:center;font-family:var(--brand-mono-font);font-weight:700;color:var(--ink);padding:10px 2px;font-size:15px;background:var(--surface)}
.check-item .name{font-size:14px;font-weight:600;color:var(--ink);line-height:1.35}
.check-item .line-total{font-family:var(--brand-mono-font);font-weight:700;color:var(--accent-deep);font-size:14px;min-width:80px;text-align:right;font-variant-numeric:tabular-nums}
.check-item .remove{background:transparent;border:none;color:var(--ink-faint);cursor:pointer;font-size:20px;padding:8px 10px;border-radius:8px}
.check-item .remove:hover{color:var(--danger);background:rgba(239,68,68,0.06)}
.check-totals{padding:16px 20px;border-top:1px solid var(--rule);background:var(--surface)}
.total-row{display:flex;justify-content:space-between;align-items:center;margin-bottom:6px;font-size:13px;color:var(--ink-dim)}
.total-row .val{font-family:var(--brand-mono-font);font-weight:600}
.total-row.grand{margin-top:10px;padding-top:10px;border-top:1px solid var(--rule);font-size:17px;color:var(--ink);font-weight:800}
.total-row.grand .val{color:var(--accent-deep);font-size:20px}
.send-btn{margin-top:14px;width:100%;padding:16px;font-size:14px;font-weight:800;letter-spacing:2px;text-transform:uppercase;background:var(--accent);color:#fff;border:0;border-radius:100px;cursor:pointer;transition:background .15s}
.send-btn:hover{background:var(--accent-deep)}
.send-btn:disabled{background:var(--rule);color:var(--ink-faint);cursor:not-allowed}
.clear-btn{margin-top:8px;width:100%;padding:10px;font-size:11px;letter-spacing:1px;text-transform:uppercase;background:transparent;color:var(--ink-dim);border:1px solid var(--rule);border-radius:100px;cursor:pointer;font-weight:600}
.clear-btn:hover{border-color:var(--danger);color:var(--danger)}

/* Modifier picker — flavor multi-pick */
.mod-bd{position:fixed;inset:0;background:rgba(17,24,39,.6);backdrop-filter:blur(4px);display:none;align-items:center;justify-content:center;z-index:100;padding:20px}
.mod-bd.open{display:flex}
.mod-card{background:var(--surface);border-radius:18px;width:100%;max-width:560px;max-height:88vh;display:flex;flex-direction:column;overflow:hidden}
.mod-sticky-top{padding:20px 26px 14px;border-bottom:1px solid var(--rule);flex:0 0 auto;background:var(--surface);position:sticky;top:0;z-index:3}
.mod-scroll{flex:1;overflow-y:auto;padding:0 26px 10px}
.mod-scroll::-webkit-scrollbar{width:6px}
.mod-scroll::-webkit-scrollbar-thumb{background:var(--accent-soft);border-radius:100px}
.mod-sticky-bottom{padding:12px 26px 20px;border-top:1px solid var(--rule);background:var(--surface);flex:0 0 auto;display:flex;gap:10px}
.mod-card h3{font-family:var(--brand-display-font);color:var(--accent-deep);font-size:1.3rem;margin-bottom:4px;letter-spacing:.01em}
.mod-card .sub{color:var(--ink-dim);font-size:.82rem;margin-bottom:14px}
.mod-card .group-label{font-size:.72rem;font-weight:700;letter-spacing:.15em;text-transform:uppercase;color:var(--ink-dim);margin:14px 0 10px}
.flavor-count{display:inline-block;margin-left:8px;padding:2px 10px;background:var(--accent-soft);color:var(--accent-deep);border-radius:20px;font-family:var(--brand-mono-font);font-size:.7rem}
.flavor-count.full{background:var(--accent);color:#fff}
.top-add-row{display:flex;gap:10px;margin-top:8px}
.top-add-btn{flex:1;padding:14px 16px;border-radius:100px;font-weight:800;font-size:.95rem;letter-spacing:.06em;text-transform:uppercase;border:0;cursor:pointer;font-family:inherit;background:var(--accent);color:#fff;box-shadow:0 8px 20px -8px rgba(0,0,0,.2);transition:all .15s}
.top-add-btn:hover{background:var(--accent-deep)}
.top-add-btn:disabled{background:var(--rule);color:var(--ink-faint);cursor:not-allowed;box-shadow:none}
.top-add-btn .price{font-family:var(--brand-mono-font);font-weight:800;margin-left:6px}

.mod-opt{display:flex;justify-content:space-between;align-items:center;padding:10px 14px;background:var(--surface);border:1.5px solid var(--rule);border-radius:10px;margin-bottom:6px;cursor:pointer;transition:all .12s;gap:10px}
.mod-opt:hover{border-color:var(--accent)}
.mod-opt.selected{background:var(--accent-soft);border-color:var(--accent)}
.mod-opt.disabled{opacity:.42;cursor:not-allowed}
.mod-opt.disabled:hover{border-color:var(--rule)}
.mod-opt .opt-thumb{width:44px;height:44px;border-radius:8px;background:var(--accent-soft) center/cover no-repeat;flex-shrink:0}
.mod-opt .opt-name{font-size:.92rem;font-weight:600;color:var(--ink);flex:1}
.mod-opt .opt-price{font-family:var(--brand-mono-font);font-weight:700;color:var(--accent-deep);font-size:.9rem}

.size-pills{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:12px}
.size-pill{padding:8px 16px;border:1.5px solid var(--rule);border-radius:100px;font-weight:700;font-size:.82rem;background:var(--surface);cursor:pointer;color:var(--ink-dim);font-family:inherit;transition:all .12s}
.size-pill:hover{border-color:var(--accent);color:var(--accent-deep)}
.size-pill.selected{background:var(--accent);color:#fff;border-color:var(--accent)}

.topping-pills{display:flex;flex-wrap:wrap;gap:6px}
.topping-pill{padding:9px 14px;border:1.5px solid var(--rule);border-radius:100px;font-weight:600;font-size:.82rem;background:var(--surface);cursor:pointer;color:var(--ink-dim);font-family:inherit;transition:all .12s}
.topping-pill:hover{border-color:var(--accent);color:var(--accent-deep)}
.topping-pill.selected{background:var(--accent);color:#fff;border-color:var(--accent)}
.topping-pill .delta{font-family:var(--brand-mono-font);margin-left:5px;opacity:.85;font-size:.74rem}

.mod-cancel{flex:0 0 auto;padding:13px 22px;border-radius:100px;font-weight:700;font-size:.85rem;letter-spacing:.05em;text-transform:uppercase;background:transparent;color:var(--ink-dim);border:1px solid var(--rule);cursor:pointer;font-family:inherit}
.mod-cancel:hover{border-color:var(--ink-dim);color:var(--ink)}
.mod-confirm{flex:1;padding:13px;border-radius:100px;font-weight:800;font-size:.92rem;letter-spacing:.06em;text-transform:uppercase;background:var(--accent);color:#fff;border:0;cursor:pointer;font-family:inherit;transition:all .15s}
.mod-confirm:hover{background:var(--accent-deep)}
.mod-confirm:disabled{background:var(--rule);color:var(--ink-faint);cursor:not-allowed}

/* Toast */
.pos-toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);background:var(--accent);color:#fff;padding:14px 24px;border-radius:100px;font-weight:700;font-size:13px;letter-spacing:1px;text-transform:uppercase;box-shadow:0 12px 30px -10px rgba(0,0,0,.25);display:none;z-index:150}
.pos-toast.show{display:block;animation:toastIn .25s}
.pos-toast.err{background:var(--danger)}
@keyframes toastIn{from{opacity:0;transform:translate(-50%,20px)}to{opacity:1;transform:translate(-50%,0)}}

/* Receipt preview */
.rcpt-bd{position:fixed;inset:0;background:rgba(17,24,39,.6);backdrop-filter:blur(4px);display:none;align-items:center;justify-content:center;z-index:120;padding:20px}
.rcpt-bd.open{display:flex}
.rcpt-card{background:var(--surface);border-radius:16px;width:100%;max-width:420px;max-height:92vh;display:flex;flex-direction:column;overflow:hidden}
.rcpt-head{padding:16px 20px;border-bottom:1px solid var(--rule);display:flex;justify-content:space-between;align-items:center}
.rcpt-head h3{font-size:14px;font-weight:800;letter-spacing:2px;text-transform:uppercase;color:var(--ink)}
.rcpt-scroll{flex:1;overflow-y:auto;padding:18px;background:var(--bg-alt)}
.rcpt-foot{padding:14px 20px;border-top:1px solid var(--rule);display:flex;gap:10px}
.rcpt-foot button{flex:1;padding:14px;border-radius:100px;font-weight:800;font-size:.9rem;letter-spacing:.06em;text-transform:uppercase;border:0;cursor:pointer;font-family:inherit}
.rcpt-foot .print{background:var(--accent);color:#fff}
.rcpt-foot .print:hover{background:var(--accent-deep)}
.rcpt-foot .done{background:transparent;color:var(--ink-dim);border:1px solid var(--rule)}
.rcpt-foot .done:hover{border-color:var(--ink-dim);color:var(--ink)}

#receipt{background:#fff;margin:0 auto;width:72mm;min-height:auto;padding:8mm 4mm;font-family:var(--brand-mono-font),ui-monospace,Menlo,monospace;font-size:11px;color:#111;line-height:1.35}
#receipt .r-brand{font-family:var(--brand-display-font);font-size:18px;text-align:center;letter-spacing:.02em;margin-bottom:2px;color:#111}
#receipt .r-sub{text-align:center;font-size:9px;letter-spacing:.5px;color:#333;margin-bottom:8px}
#receipt .r-sep{text-align:center;font-size:10px;letter-spacing:.5px;margin:6px 0;color:#111}
#receipt .r-row{display:flex;justify-content:space-between;gap:6px;font-size:11px}
#receipt .r-row .r-name{flex:1;color:#111}
#receipt .r-row .r-val{font-weight:700;white-space:nowrap;color:#111}
#receipt .r-meta{font-size:10px;margin-bottom:2px;color:#111}
#receipt .r-item{margin:4px 0;color:#111}
#receipt .r-item .r-notes{font-size:10px;color:#555;margin-left:12px}
#receipt .r-total{font-weight:900;font-size:14px;color:#111}
#receipt .r-footer{text-align:center;margin-top:10px;font-size:10px;color:#333}
#receipt .r-big{font-size:14px;font-weight:900;letter-spacing:1px;color:#111}

@media print{
  @page{size:72mm auto;margin:0}
  body{background:#fff!important;overflow:visible!important;height:auto!important}
  body *{visibility:hidden!important}
  #receipt,#receipt *{visibility:visible!important}
  #receipt{position:absolute;left:0;top:0;width:72mm;padding:4mm 3mm;margin:0;border:0;box-shadow:none}
  .rcpt-bd,.rcpt-card,.rcpt-head,.rcpt-foot,.rcpt-scroll{background:transparent!important;border:0!important;padding:0!important;box-shadow:none!important;max-height:none!important;overflow:visible!important}
}

@media(max-width:860px){
  html,body{overflow:auto;height:auto}
  body{display:block}
  .pos-main{display:block}
  .menu-wrap,.check-wrap{overflow:visible}
  .menu-grid{grid-template-columns:repeat(auto-fill,minmax(130px,1fr))}
}