:root{--bg:#faf8f5;--fg:#222;--muted:#777;--accent:#b3261e;--ok:#2e7d32;--line:#ddd;--card:#fff;--nav:#000}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;font:16px/1.4 system-ui,sans-serif;background:var(--bg);color:var(--fg);
  padding-left:env(safe-area-inset-left);padding-right:env(safe-area-inset-right)}
main{max-width:1200px;margin:0 auto;padding:12px}
img{max-width:100%}

/* header */
.nav{display:flex;gap:8px;align-items:center;padding:6px 12px;background:var(--nav);color:#fff}
.nav a{color:#fff;text-decoration:none;padding:10px 10px;white-space:nowrap;border-radius:6px}
.nav a:hover{background:#222}
.nav .brand{padding:0;flex:none}.nav .brand img{height:44px;width:auto;display:block}
.nav nav{display:flex;flex:1;flex-wrap:wrap}
.navtoggle,.burger{display:none}
.nav form{margin:0;flex:none;display:flex;align-items:center;gap:6px}.who{opacity:.8}

h1{font-size:1.4rem;margin:.6em 0}h2{font-size:1.15rem}h3{font-size:1rem;margin:14px 0 6px;scroll-margin-top:56px}

/* controls: 44px touch targets, 16px text so iOS doesn't zoom */
input,select{font:inherit;min-height:44px;padding:8px 10px;border:1px solid var(--line);border-radius:8px;background:#fff;max-width:100%}
.btn{font:inherit;min-height:44px;padding:8px 16px;border:1px solid #bbb;border-radius:8px;background:#fff;cursor:pointer;
  text-decoration:none;color:var(--fg);display:inline-flex;align-items:center;justify-content:center;touch-action:manipulation}
.btn.small{min-height:40px;padding:4px 12px}
.btn.primary{background:var(--ok);color:#fff;border-color:var(--ok)}
.btn.danger{color:var(--accent);border-color:var(--accent)}
.btn.big{width:100%;min-height:54px;font-size:1.1rem}
.btn:active,.item:active,.tile:active{transform:scale(.97)}
.nav .btn{min-height:36px;background:#111;color:#fff;border-color:#444}

.card{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:12px;margin:10px 0}
.row{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin:6px 0}
.row input:not([size]):not([type=hidden]){flex:1 1 140px;min-width:0}
.row.off{opacity:.55}
.row label{display:flex;align-items:center;gap:6px}
.stack{display:flex;flex-direction:column;gap:10px}
.stack label,.login label{display:flex;flex-direction:column;gap:4px}
.login{max-width:380px;margin:24px auto;display:flex;flex-direction:column;gap:12px}
.login .logo{width:200px;max-width:70%;align-self:center;border-radius:12px}

/* tables & takeaway grids */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(130px,1fr));gap:10px}
.grid form{margin:0}
.tile{width:100%;height:96px;border:2px solid var(--ok);border-radius:12px;background:#fff;font:inherit;cursor:pointer;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;text-decoration:none;color:var(--fg);touch-action:manipulation}
.tile strong{font-size:1.15rem}
.tile.busy{border-color:var(--accent);background:#fdecea}

/* order screen */
.order.split{display:grid;grid-template-columns:minmax(0,1fr) 380px;gap:16px;align-items:start}
.pos{display:grid;grid-template-columns:150px minmax(0,1fr);gap:10px;align-items:start}
.pos .search{grid-column:1/-1}
.search input{width:100%;font-size:1rem;padding:10px 12px;border:1px solid var(--line);border-radius:10px}
.cats{display:grid;grid-template-columns:1fr;gap:6px;position:sticky;top:8px;max-height:calc(100vh - 90px);max-height:calc(100dvh - 90px);overflow-y:auto}
.cat{min-height:50px;padding:6px 8px;border:0;border-radius:8px;background:hsl(var(--h) 45% 38%);color:#fff;font:inherit;font-weight:700;
  font-size:.82rem;text-transform:uppercase;letter-spacing:.02em;cursor:pointer;touch-action:manipulation;overflow-wrap:anywhere}
.cat.on{outline:3px solid #000;outline-offset:1px}
.grp h3{margin:0 0 8px}
.items{display:grid;grid-template-columns:repeat(auto-fill,minmax(130px,1fr));gap:8px}
.item{min-height:76px;padding:8px;border:0;border-radius:8px;background:hsl(var(--h) 55% 40%);color:#fff;font:inherit;cursor:pointer;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;text-align:center;touch-action:manipulation;
  overflow-wrap:anywhere;-webkit-tap-highlight-color:rgba(255,255,255,.3)}
.item[hidden],.grp[hidden]{display:none}
.item b{font-size:.95rem;line-height:1.2}
.item span{color:rgba(255,255,255,.85);font-size:.85rem}.item:disabled{opacity:.35;cursor:not-allowed}
.panel{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:12px;position:sticky;top:8px;
  max-height:calc(100vh - 16px);max-height:calc(100dvh - 16px);overflow-y:auto}
.panel h2{margin-top:0}
.totals,.lines.users{width:100%;border-collapse:collapse}.lines.users td{padding:8px 4px;border-bottom:1px solid var(--line);vertical-align:top}
.line{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:6px 8px;padding:10px 0;border-bottom:1px solid var(--line)}
.ln-price{text-align:right;white-space:nowrap}.ln-name{overflow-wrap:anywhere}
.ln-ctl{grid-column:1 / -1;display:flex;align-items:center;gap:6px}
.ln-ctl .q{min-width:1.4em;text-align:center;font-weight:600}
.totals td,.totals th{padding:3px 4px;text-align:left}.r{text-align:right!important;white-space:nowrap}
.ln-ctl .btn{min-width:42px}
.note{flex:1 1 auto;min-width:0;padding:4px 8px;min-height:40px;font-size:.95rem}
.sum td{font-weight:700;font-size:1.15rem;border-top:2px solid var(--fg)}
.muted{color:var(--muted)}.pay{margin-top:12px;display:flex;flex-direction:column;gap:8px}
.tomenu,.mobilebar{display:none}
.flash{padding:10px 12px;border-radius:8px;margin:8px 0}.flash.ok{background:#e6f4ea}.flash.err{background:#fdecea}
.cols{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(320px,100%),1fr));gap:12px}

/* tablet portrait: slimmer order panel */
@media(max-width:1000px){.nav .who{display:none}.order.split{grid-template-columns:minmax(0,1fr) 330px}.pos{grid-template-columns:120px minmax(0,1fr)}.items{grid-template-columns:repeat(auto-fill,minmax(110px,1fr))}}

/* phones and small tablets: one column, order summary below the menu, sticky total bar */
@media(max-width:760px){
  .nav{flex-wrap:wrap}
  .nav .brand{margin-right:auto}
  .burger{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;font-size:1.6rem;cursor:pointer;border-radius:6px;user-select:none}
  .burger:active,.navtoggle:checked+.burger{background:#222}
  .nav nav{display:none;order:3;flex:0 0 100%;flex-direction:column;padding-bottom:6px}
  .navtoggle:checked~nav{display:flex}
  .nav nav a{padding:12px 10px;border-top:1px solid #222}
  main{padding:8px}
  .order.split{display:block;padding-bottom:72px}
  .panel{position:static;max-height:none;overflow:visible;margin-top:16px;scroll-margin-top:8px}
  .pos{display:block}
  .search{margin-bottom:8px}
  .cats{position:static;max-height:none;overflow:visible;grid-template-columns:repeat(3,minmax(0,1fr));margin-bottom:10px}
  .cat{min-height:44px;font-size:.75rem}
  .items{grid-template-columns:repeat(2,minmax(0,1fr))}
  .tomenu{display:inline-block;margin:0 0 8px;color:var(--ok);text-decoration:none;padding:8px 0}
  .mobilebar{display:flex;justify-content:space-between;align-items:center;position:fixed;left:0;right:0;bottom:0;z-index:20;
    padding:14px 16px calc(14px + env(safe-area-inset-bottom));background:var(--ok);color:#fff;text-decoration:none;font-size:1.05rem;
    box-shadow:0 -2px 10px rgba(0,0,0,.25)}
  .grid{grid-template-columns:repeat(auto-fill,minmax(105px,1fr))}
  /* user admin table: stack cells */
  .lines.users,.users tbody,.users tr,.users td{display:block;width:100%}
  .users tr{padding:8px 0;border-bottom:1px solid var(--line)}.users td{border:0}
  .lines.users td form.row{margin:4px 0}
  h1{font-size:1.25rem}
}
@media(max-width:380px){.cats{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media print{.nav,.mobilebar,.pos{display:none}}

/* PDF view page (print/share) */
.pdfbar{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:8px}
.pdfframe{width:100%;height:calc(100vh - 170px);height:calc(100dvh - 170px);min-height:420px;border:1px solid var(--line);border-radius:8px;background:#fff}
@media print{.pdfbar,#hint{display:none}.pdfframe{height:auto}}