/* ===================== AnbarPro — 3D UI ===================== */
:root{
  --bg:#eef2f6; --bg2:#e3e9f0; --card:#ffffff; --card2:#f8fafc; --ink:#0b1324; --muted:#64748b; --line:#e5eaf1;
  --pri:#0d9488; --pri-d:#0f766e; --pri-l:#2dd4bf; --pri-soft:#ccfbf1;
  --red:#e11d48; --red-soft:#ffe4e6; --amber:#d97706; --amber-soft:#fef3c7; --green:#059669; --green-soft:#d1fae5;
  --blue:#2563eb; --violet:#7c3aed;
  --r:18px;
  --sh1:0 1px 0 rgba(255,255,255,.9) inset, 0 1px 2px rgba(15,23,42,.06), 0 8px 24px -8px rgba(15,23,42,.14);
  --sh2:0 1px 0 rgba(255,255,255,.9) inset, 0 2px 4px rgba(15,23,42,.06), 0 22px 40px -14px rgba(15,23,42,.28);
  --side:#062a28; --side2:#0b3f3b;
  --glass:rgba(255,255,255,.72);
  color-scheme:light;
}
@media (prefers-color-scheme:dark){
  :root{
    --bg:#070d17; --bg2:#0c1524; --card:#111c2e; --card2:#0e1828; --ink:#e7edf6; --muted:#8b9ab0; --line:#1f2c41;
    --pri-soft:#0f3b38; --red-soft:#3b1220; --amber-soft:#3a2a0c; --green-soft:#0c3326;
    --sh1:0 1px 0 rgba(255,255,255,.05) inset, 0 1px 2px rgba(0,0,0,.4), 0 10px 26px -10px rgba(0,0,0,.6);
    --sh2:0 1px 0 rgba(255,255,255,.06) inset, 0 2px 6px rgba(0,0,0,.4), 0 26px 44px -16px rgba(0,0,0,.75);
    --side:#040b14; --side2:#0a1a2b; --glass:rgba(17,28,46,.78);
    color-scheme:dark;
  }
}
*{box-sizing:border-box}
html,body{margin:0;color:var(--ink);font:15px/1.45 "Segoe UI Variable","Segoe UI",system-ui,-apple-system,Roboto,sans-serif;-webkit-tap-highlight-color:transparent}
body{background:
  radial-gradient(1200px 600px at 110% -10%, rgba(45,212,191,.18), transparent 60%),
  radial-gradient(900px 500px at -10% 110%, rgba(37,99,235,.10), transparent 60%),
  linear-gradient(180deg,var(--bg),var(--bg2)) fixed;min-height:100vh}
.hidden{display:none!important}
.muted{color:var(--muted)} .err{color:var(--red);min-height:1.2em}
h1,h2,h3{margin:0;line-height:1.2;letter-spacing:-.01em} h1{font-size:24px;font-weight:750} h2{font-size:19px;font-weight:700} h3{font-size:15px;font-weight:700}
button,input,select,textarea{font:inherit;color:inherit}
code{background:var(--card2);border:1px solid var(--line);padding:1px 6px;border-radius:6px;font-size:12.5px}
svg.ic{width:20px;height:20px;flex:0 0 auto;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}

/* ---------- layout / sidebar ---------- */
#app{display:flex;min-height:100vh}
.side{width:236px;position:fixed;inset:12px auto 12px 12px;border-radius:24px;padding:18px 12px;display:flex;flex-direction:column;gap:18px;z-index:10;color:#d7f5f1;
  background:linear-gradient(165deg,var(--side2),var(--side));
  box-shadow:0 1px 0 rgba(255,255,255,.08) inset, 0 30px 60px -20px rgba(3,30,28,.6), 0 10px 20px -10px rgba(0,0,0,.35)}
.side::after{content:"";position:absolute;inset:auto 14px 14px;height:120px;border-radius:18px;pointer-events:none;
  background:radial-gradient(120px 80px at 30% 100%,rgba(45,212,191,.22),transparent 70%)}
.brand{display:flex;align-items:center;gap:11px;padding:4px 8px;font-weight:750;font-size:16px;color:#fff}
.brand img{width:38px;height:38px;border-radius:11px;box-shadow:0 6px 14px -4px rgba(0,0,0,.5),0 0 0 1px rgba(255,255,255,.12)}
.brand span{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
#nav{display:flex;flex-direction:column;gap:4px}
#nav a{display:flex;align-items:center;gap:12px;padding:11px 13px;border-radius:13px;cursor:pointer;color:#a9d6d0;user-select:none;font-weight:550;transition:.18s;position:relative}
#nav a i{font-style:normal;display:grid;place-items:center}
#nav a:hover{background:rgba(255,255,255,.06);color:#fff;transform:translateX(2px)}
#nav a.on{color:#03201e;font-weight:700;background:linear-gradient(180deg,#5eead4,#14b8a6);
  box-shadow:0 1px 0 rgba(255,255,255,.6) inset,0 -2px 0 rgba(0,0,0,.12) inset,0 10px 20px -8px rgba(20,184,166,.8)}
main{flex:1;margin-left:260px;padding:26px 30px 48px;max-width:1240px;width:100%;animation:fade .25s ease}
@keyframes fade{from{opacity:.4;transform:translateY(4px)}to{opacity:1;transform:none}}

@media (max-width:800px){
  .side{inset:auto 10px calc(10px + env(safe-area-inset-bottom)) 10px;width:auto;height:auto;flex-direction:row;padding:6px;border-radius:22px;
    background:var(--glass);backdrop-filter:blur(18px) saturate(1.6);-webkit-backdrop-filter:blur(18px) saturate(1.6);color:var(--ink);
    box-shadow:0 1px 0 rgba(255,255,255,.6) inset,0 18px 40px -12px rgba(15,23,42,.35),0 0 0 1px rgba(148,163,184,.18)}
  .side::after{display:none}
  .brand{display:none}
  #nav{flex-direction:row;width:100%;justify-content:space-around;gap:0}
  #nav a{flex-direction:column;gap:2px;padding:7px 2px 5px;font-size:10.5px;color:var(--muted);flex:1;align-items:center;border-radius:15px}
  #nav a:hover{transform:none;background:none;color:var(--ink)}
  #nav a.on{background:var(--pri-soft);color:var(--pri-d);box-shadow:none}
  #nav a[data-v="history"],#nav a[data-v="settings"]{display:none}
  #nav a.nav-sale{background:none!important}
  #nav a.nav-sale i{width:52px;height:52px;margin-top:-26px;border-radius:18px;color:#fff;
    background:linear-gradient(160deg,#2dd4bf,#0d9488 55%,#0f766e);
    box-shadow:0 1px 0 rgba(255,255,255,.55) inset,0 -3px 0 rgba(0,0,0,.18) inset,0 12px 22px -6px rgba(13,148,136,.75);transform:rotate(-0deg)}
  #nav a.nav-sale i svg{width:26px;height:26px}
  #nav a.nav-sale span{color:var(--pri-d);font-weight:700}
  main{margin-left:0;padding:16px 14px 112px}
  h1{font-size:21px}
}

/* ---------- hero ---------- */
.hero{position:relative;overflow:hidden;border-radius:26px;padding:24px 26px;margin-bottom:18px;color:#ecfeff;min-height:150px;
  background:
    radial-gradient(500px 200px at 85% 0%,rgba(94,234,212,.35),transparent 60%),
    linear-gradient(135deg,#0f766e 0%,#0d9488 45%,#115e59 100%);
  box-shadow:0 1px 0 rgba(255,255,255,.25) inset,0 30px 50px -22px rgba(13,148,136,.7),0 8px 18px -8px rgba(0,0,0,.25)}
.hero::before{content:"";position:absolute;inset:0;background:repeating-linear-gradient(115deg,rgba(255,255,255,.04) 0 2px,transparent 2px 14px);pointer-events:none}
.hero h1{color:#fff;font-size:26px}
.hero p{margin:6px 0 16px;color:#bff4ec;max-width:440px}
.hero .acts{display:flex;gap:8px;flex-wrap:wrap;position:relative;z-index:2}
.hero .btn{background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.25);color:#fff;box-shadow:0 1px 0 rgba(255,255,255,.25) inset,0 6px 14px -6px rgba(0,0,0,.35)}
.hero .btn:hover{background:rgba(255,255,255,.22)}
.hero .btn.primary{background:linear-gradient(180deg,#fff,#e6fffb);color:#0f766e;border-color:#fff}
.tyre3d{position:absolute;right:-28px;top:50%;width:230px;height:230px;transform:translateY(-50%) perspective(600px) rotateY(-24deg) rotateX(8deg);filter:drop-shadow(0 26px 24px rgba(0,0,0,.45));pointer-events:none}
.tyre3d svg{width:100%;height:100%;animation:spin 18s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
@media (max-width:640px){.hero{padding:20px 18px;min-height:0}.hero h1{font-size:22px}.hero p{max-width:62%;font-size:13.5px}.tyre3d{width:150px;height:150px;right:-34px;top:38%}}

/* ---------- components ---------- */
.top{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:18px;flex-wrap:wrap}
.card{background:linear-gradient(180deg,var(--card),var(--card2));border-radius:var(--r);box-shadow:var(--sh1);padding:18px;margin-bottom:16px;border:1px solid var(--line)}
.grid{display:grid;gap:14px}
.g4{grid-template-columns:repeat(4,1fr)} .g2{grid-template-columns:1fr 1fr}
@media (max-width:1000px){.g4{grid-template-columns:repeat(2,1fr)}}
@media (max-width:640px){.g2{grid-template-columns:1fr}.grid{gap:10px}}

.stat{position:relative;background:linear-gradient(180deg,var(--card),var(--card2));border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--sh1);
  padding:16px 16px 14px;transition:transform .25s cubic-bezier(.2,.8,.2,1),box-shadow .25s;transform-style:preserve-3d;overflow:hidden}
.stat:hover{transform:perspective(700px) translateY(-4px) rotateX(4deg);box-shadow:var(--sh2)}
.stat .ico{width:40px;height:40px;border-radius:13px;display:grid;place-items:center;color:#fff;margin-bottom:12px;
  background:linear-gradient(150deg,#5eead4,#0d9488);box-shadow:0 1px 0 rgba(255,255,255,.5) inset,0 -2px 0 rgba(0,0,0,.15) inset,0 8px 16px -6px rgba(13,148,136,.7)}
.stat.green .ico{background:linear-gradient(150deg,#6ee7b7,#059669);box-shadow:0 1px 0 rgba(255,255,255,.5) inset,0 -2px 0 rgba(0,0,0,.15) inset,0 8px 16px -6px rgba(5,150,105,.7)}
.stat.red .ico{background:linear-gradient(150deg,#fda4af,#e11d48);box-shadow:0 1px 0 rgba(255,255,255,.5) inset,0 -2px 0 rgba(0,0,0,.15) inset,0 8px 16px -6px rgba(225,29,72,.6)}
.stat.blue .ico{background:linear-gradient(150deg,#93c5fd,#2563eb);box-shadow:0 1px 0 rgba(255,255,255,.5) inset,0 -2px 0 rgba(0,0,0,.15) inset,0 8px 16px -6px rgba(37,99,235,.6)}
.stat.violet .ico{background:linear-gradient(150deg,#c4b5fd,#7c3aed);box-shadow:0 1px 0 rgba(255,255,255,.5) inset,0 -2px 0 rgba(0,0,0,.15) inset,0 8px 16px -6px rgba(124,58,237,.6)}
.stat.amber .ico{background:linear-gradient(150deg,#fcd34d,#d97706);box-shadow:0 1px 0 rgba(255,255,255,.5) inset,0 -2px 0 rgba(0,0,0,.15) inset,0 8px 16px -6px rgba(217,119,6,.6)}
.stat::after{content:"";position:absolute;right:-30px;top:-30px;width:110px;height:110px;border-radius:50%;background:radial-gradient(circle,rgba(45,212,191,.07),transparent 70%);pointer-events:none}
.stat .l{font-size:12.5px;color:var(--muted);font-weight:550}
.stat .v{font-size:23px;font-weight:780;margin-top:3px;font-variant-numeric:tabular-nums;letter-spacing:-.02em}
.stat.green .v{color:var(--green)} .stat.red .v{color:var(--red)} .stat.pri .v{color:var(--pri-d)}
@media (prefers-color-scheme:dark){.stat.pri .v{color:var(--pri-l)}}
@media (max-width:640px){.stat{padding:13px}.stat .ico{width:34px;height:34px;border-radius:11px;margin-bottom:9px}.stat .ico svg{width:17px;height:17px}.stat .v{font-size:18px}}

.btn{text-decoration:none;color:var(--ink);border:1px solid var(--line);background:linear-gradient(180deg,var(--card),var(--card2));border-radius:12px;padding:9px 15px;cursor:pointer;
  font-weight:650;display:inline-flex;align-items:center;gap:7px;white-space:nowrap;transition:transform .12s,box-shadow .12s,background .2s;
  box-shadow:0 1px 0 rgba(255,255,255,.8) inset,0 -2px 0 rgba(15,23,42,.06) inset,0 3px 8px -3px rgba(15,23,42,.18)}
.btn:hover{transform:translateY(-1px);box-shadow:0 1px 0 rgba(255,255,255,.8) inset,0 -2px 0 rgba(15,23,42,.06) inset,0 8px 16px -6px rgba(15,23,42,.25)}
.btn:active{transform:translateY(1px);box-shadow:0 1px 2px rgba(15,23,42,.2) inset}
.btn.primary{background:linear-gradient(180deg,#2dd4bf,#0d9488 60%,#0f766e);border-color:#0f766e;color:#fff;text-shadow:0 1px 0 rgba(0,0,0,.15);
  box-shadow:0 1px 0 rgba(255,255,255,.45) inset,0 -3px 0 rgba(0,0,0,.15) inset,0 10px 20px -8px rgba(13,148,136,.8)}
.btn.primary:hover{box-shadow:0 1px 0 rgba(255,255,255,.45) inset,0 -3px 0 rgba(0,0,0,.15) inset,0 14px 26px -8px rgba(13,148,136,.9)}
.btn.danger{color:var(--red);border-color:color-mix(in srgb,var(--red) 30%,transparent)}
.btn.sm{padding:6px 11px;font-size:13px;border-radius:10px}
.btn.block{width:100%;justify-content:center;padding:13px;font-size:15.5px;border-radius:14px}
.btn:disabled{opacity:.5;cursor:not-allowed;transform:none}
@media (prefers-color-scheme:dark){.btn{box-shadow:0 1px 0 rgba(255,255,255,.05) inset,0 3px 8px -3px rgba(0,0,0,.5)}}

input,select,textarea{width:100%;border:1px solid var(--line);border-radius:12px;padding:11px 13px;background:var(--card);outline:none;transition:.15s;
  box-shadow:0 2px 4px rgba(15,23,42,.05) inset}
input:focus,select:focus,textarea:focus{border-color:var(--pri-l);box-shadow:0 0 0 4px color-mix(in srgb,var(--pri-l) 25%,transparent),0 2px 4px rgba(15,23,42,.04) inset}
label{display:block;font-size:12.5px;color:var(--muted);margin:0 0 5px;font-weight:600}
.f{margin-bottom:13px}
.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.row>*{flex:1}
.search{max-width:380px;padding-left:14px}
@media (max-width:640px){.search{max-width:none;flex-basis:100%}}

table{width:100%;border-collapse:separate;border-spacing:0}
th,td{text-align:left;padding:11px 10px;border-bottom:1px solid var(--line);vertical-align:middle}
tr:last-child td{border-bottom:0}
th{font-size:11.5px;text-transform:uppercase;letter-spacing:.05em;color:var(--muted);font-weight:700}
td.n,th.n{text-align:right;font-variant-numeric:tabular-nums;white-space:nowrap}
tbody tr,table tr{transition:background .15s}
table tr:hover td{background:color-mix(in srgb,var(--pri-soft) 35%,transparent)}
tr.click{cursor:pointer}
.tbl-wrap{overflow-x:auto}

.badge{display:inline-flex;align-items:center;gap:4px;padding:3px 9px;border-radius:999px;font-size:11.5px;font-weight:700;box-shadow:0 1px 0 rgba(255,255,255,.6) inset}
.b-red{background:var(--red-soft);color:var(--red)} .b-amber{background:var(--amber-soft);color:var(--amber)}
.b-green{background:var(--green-soft);color:var(--green)} .b-gray{background:var(--card2);color:var(--muted);border:1px solid var(--line)}

/* list cards (mobile) */
.list{display:flex;flex-direction:column;gap:10px}
.item{background:linear-gradient(180deg,var(--card),var(--card2));border:1px solid var(--line);border-radius:16px;box-shadow:var(--sh1);padding:13px 15px;
  display:flex;justify-content:space-between;gap:12px;align-items:center;transition:transform .2s,box-shadow .2s;position:relative}
.item:hover{transform:translateY(-2px);box-shadow:var(--sh2)}
.item:active{transform:scale(.99)}
.item .t{font-weight:700}
.item .s{font-size:12.5px;color:var(--muted)}
.item .r{text-align:right;white-space:nowrap}
.item .av{width:42px;height:42px;border-radius:13px;flex:0 0 auto;display:grid;place-items:center;font-weight:800;color:#fff;font-size:15px;
  background:linear-gradient(150deg,#5eead4,#0d9488);box-shadow:0 1px 0 rgba(255,255,255,.45) inset,0 -2px 0 rgba(0,0,0,.15) inset,0 6px 12px -5px rgba(13,148,136,.7)}
.item .grow{flex:1;min-width:0}
.desk{display:block} .mob{display:none}
@media (max-width:800px){.desk{display:none}.mob{display:flex}}
.mob-only{display:none}
@media (max-width:800px){.mob-only{display:inline-flex}}

.tabs{display:flex;gap:4px;background:color-mix(in srgb,var(--bg2) 80%,var(--line));padding:5px;border-radius:15px;margin-bottom:16px;overflow-x:auto;scrollbar-width:none;
  box-shadow:0 2px 5px rgba(15,23,42,.08) inset}
.tabs::-webkit-scrollbar{display:none}
.tabs button{border:0;background:none;padding:8px 13px;border-radius:11px;cursor:pointer;font-weight:650;color:var(--muted);white-space:nowrap;transition:.18s}
.tabs button:hover{color:var(--ink)}
.tabs button.on{background:var(--card);color:var(--ink);box-shadow:0 1px 0 rgba(255,255,255,.9) inset,0 4px 10px -4px rgba(15,23,42,.3)}

.empty{text-align:center;padding:34px 10px;color:var(--muted)}
.empty b{display:block;font-size:34px;margin-bottom:8px;filter:drop-shadow(0 6px 6px rgba(0,0,0,.15))}

/* 3D bar chart */
.bars{display:flex;align-items:flex-end;gap:6px;height:170px;padding:14px 4px 0;perspective:700px}
.bars div{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:flex-end;height:100%;gap:6px}
.bars span.b{width:100%;max-width:34px;min-height:3px;border-radius:8px 8px 4px 4px;position:relative;
  background:linear-gradient(90deg,#0f766e 0%,#14b8a6 45%,#5eead4 60%,#0d9488 100%);
  box-shadow:0 10px 14px -8px rgba(13,148,136,.9);transform:rotateX(6deg);transform-origin:bottom;transition:height .5s cubic-bezier(.2,.8,.2,1)}
.bars span.b::before{content:"";position:absolute;left:0;right:0;top:-5px;height:10px;border-radius:50%;background:linear-gradient(90deg,#5eead4,#ccfbf1);opacity:.9}
.bars div:hover span.b{filter:brightness(1.12)}
.bars small{font-size:10.5px;color:var(--muted);font-weight:600}

/* sale lines */
.line{display:grid;grid-template-columns:1fr 90px 110px 110px 38px;gap:10px;align-items:center;padding:12px;margin-bottom:8px;border:1px solid var(--line);border-radius:14px;background:var(--card2)}
.line .nm{font-weight:700}
.line .nm small{display:block;font-weight:500;color:var(--muted)}
@media (max-width:640px){.line{grid-template-columns:1fr 1fr 1fr 38px}.line .nm{grid-column:1/-1}.line .sum{text-align:left!important}}
.total-box{display:flex;justify-content:space-between;align-items:center;font-size:21px;font-weight:800;padding:14px 16px;margin:6px 0 14px;border-radius:16px;color:#fff;
  background:linear-gradient(135deg,#0f766e,#0d9488);box-shadow:0 1px 0 rgba(255,255,255,.25) inset,0 14px 26px -12px rgba(13,148,136,.8)}
.pick{max-height:320px;overflow:auto;border:1px solid var(--line);border-radius:14px;margin-top:8px;background:var(--card);box-shadow:var(--sh2)}
.pick div{padding:11px 13px;border-bottom:1px solid var(--line);cursor:pointer;display:flex;justify-content:space-between;gap:8px;transition:.12s}
.pick div:last-child{border-bottom:0}
.pick div:hover{background:var(--pri-soft)}
.pick div.dis{opacity:.45;cursor:not-allowed}

/* modal */
.modal{position:fixed;inset:0;background:rgba(2,8,23,.5);backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);display:flex;align-items:center;justify-content:center;z-index:50;padding:16px;animation:fade .2s}
.modal-box{background:var(--card);border-radius:24px;width:100%;max-width:540px;max-height:92vh;overflow:auto;padding:22px;border:1px solid var(--line);
  box-shadow:0 1px 0 rgba(255,255,255,.8) inset,0 40px 80px -20px rgba(2,8,23,.55);animation:pop .28s cubic-bezier(.2,.9,.3,1.2)}
@keyframes pop{from{opacity:0;transform:perspective(800px) translateY(18px) rotateX(-8deg) scale(.97)}to{opacity:1;transform:none}}
.modal-box h2{margin-bottom:14px}
.modal-actions{display:flex;gap:8px;justify-content:flex-end;margin-top:10px;flex-wrap:wrap}
@media (max-width:640px){
  .modal{align-items:flex-end;padding:0}
  .modal-box{border-radius:26px 26px 0 0;padding:26px 18px calc(20px + env(safe-area-inset-bottom));max-height:90vh;animation:sheet .3s cubic-bezier(.2,.9,.3,1)}
  .modal-box::before{content:"";display:block;width:44px;height:5px;border-radius:9px;background:var(--line);margin:-14px auto 14px}
  .modal-actions .btn{flex:1;justify-content:center}
}
@keyframes sheet{from{transform:translateY(100%)}to{transform:none}}

.toast{position:fixed;left:50%;bottom:30px;transform:translateX(-50%) translateY(20px) scale(.96);background:#0b1324;color:#fff;padding:11px 18px;border-radius:14px;opacity:0;transition:.28s cubic-bezier(.2,.9,.3,1.2);z-index:60;pointer-events:none;max-width:90vw;font-weight:600;
  box-shadow:0 20px 40px -12px rgba(0,0,0,.5)}
.toast.on{opacity:1;transform:translateX(-50%) translateY(0) scale(1)}
.toast.bad{background:var(--red)}
@media (max-width:800px){.toast{bottom:104px}}

/* login */
.login{position:fixed;inset:0;display:grid;place-items:center;padding:16px;background:radial-gradient(600px 400px at 50% 0%,#14b8a6,transparent 70%),linear-gradient(160deg,#062a28,#0f766e)}
.login-box{background:var(--card);border-radius:26px;padding:30px 26px;width:100%;max-width:350px;text-align:center;box-shadow:0 50px 90px -30px rgba(0,0,0,.7);animation:pop .4s}
.login-box .tyre-login{width:110px;height:110px;margin:-80px auto 6px;filter:drop-shadow(0 18px 16px rgba(0,0,0,.4))}
.login-box .tyre-login svg{width:100%;height:100%;animation:spin 12s linear infinite}
.login-box input{text-align:center;font-size:24px;letter-spacing:.35em;margin:14px 0 10px}

.qr{display:flex;gap:22px;align-items:center;flex-wrap:wrap}
.qr img{width:184px;height:184px;border-radius:16px;background:#fff;padding:8px;box-shadow:var(--sh2)}
.url{font-size:18px;font-weight:800;color:var(--pri-d);word-break:break-all}

/* section headings inside cards */
.card h3{display:flex;align-items:center;gap:8px}

/* receipt print */
#receipt{display:none}
@media print{
  body{background:#fff}
  body *{visibility:hidden}
  #receipt,#receipt *{visibility:visible}
  #receipt{display:block;position:absolute;left:0;top:0;width:100%;padding:10mm;box-sizing:border-box;font-size:13px;color:#000}
  #receipt table td,#receipt table th{padding:4px}
  #receipt.doc{padding:12mm;font-size:11.5px;font-family:"Segoe UI",Roboto,Arial,sans-serif;color:#000;-webkit-print-color-adjust:exact;print-color-adjust:exact}
  #receipt.doc .logo{background:#000;border-radius:8px;text-align:center;padding:3mm 0;margin-bottom:6mm}
  #receipt.doc .logo img{height:26mm;display:inline-block}
  #receipt.doc h3{font-size:15px;margin:14px 0 6px}
  #receipt.doc table{width:100%;border-collapse:collapse;page-break-inside:auto}
  #receipt.doc thead{display:table-header-group}
  #receipt.doc tr{page-break-inside:avoid}
  #receipt.doc th{background:#eee;color:#000;text-align:left;border:1px solid #999;padding:5px 7px;font-size:10.5px}
  #receipt.doc td{border:1px solid #bbb;padding:4px 7px}
  #receipt.doc .no{width:24px}
  #receipt.doc .n{text-align:right;white-space:nowrap}
  #receipt.doc tfoot td{font-weight:700;background:#f4f4f4}
  body:has(#receipt.doc) > *:not(#receipt){display:none!important}
  #receipt.doc{position:static}
  @page{size:A4;margin:0}
}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}

/* view-only guests: hide every action button */
body.viewer #view .btn,body.viewer #view input:not(.search):not(#pickQ),body.viewer #view select,body.viewer #view textarea,body.viewer .nav-sale,body.viewer #nav a[data-v="settings"],body.viewer #nav a[data-v="sale"]{display:none!important}
body.viewer #view .item{cursor:default}
body.viewer .hero .acts{display:none}

/* guest with edit rights: no deleting, no settings */
body.staff #nav a[data-v="settings"],body.staff [onclick*="del"],body.staff [onclick*="clearProducts"],body.staff .mob-only{display:none!important}

.side .logout{margin-top:auto;display:flex;align-items:center;gap:12px;padding:11px 13px;border-radius:13px;cursor:pointer;color:#fecdd3;font-weight:600;position:relative;z-index:2}
.side .logout:hover{background:rgba(244,63,94,.18);color:#fff}
.side .logout i{display:grid;place-items:center}
@media (max-width:800px){.side .logout{display:none}
  #nav a{font-size:10px}
  #nav a.nav-sale i{width:48px;height:48px;margin-top:-24px}}

body.remote #nav a[data-v="settings"]{display:none!important}
body.remote .mob-only{display:none!important}
.side .syncchip{margin-top:auto;padding:8px 12px;border-radius:12px;font-size:12px;font-weight:600;color:#a7f3d0;background:rgba(16,185,129,.12);position:relative;z-index:2}
.side .syncchip.bad{color:#fde68a;background:rgba(245,158,11,.14)}
.side .syncchip:not(.hidden)+.logout{margin-top:6px}
body.remote .syncchip{display:none!important}

.install{position:fixed;left:12px;right:12px;bottom:calc(12px + env(safe-area-inset-bottom));z-index:60;display:flex;align-items:center;gap:10px;padding:12px;border-radius:18px;background:var(--card,#fff);box-shadow:0 12px 40px rgba(0,0,0,.22);border:1px solid rgba(15,118,110,.2)}
.install img{border-radius:10px;flex:0 0 auto}
.install-txt{flex:1;min-width:0;display:flex;flex-direction:column;gap:2px;font-size:13.5px}
.install-txt span{color:var(--muted,#64748b);font-size:12.5px}
.install.hidden{display:none}
@media (max-width:800px){.side .syncchip{display:none!important}}