/* ============================================================
   Nice & Naughty POS — design system
   Dark, futuristic, glass + neon-red. No framework, no build.
   ============================================================ */
:root{
  --brand:#e9091e; --brand-rgb:233,9,30; --brand-dark:#bd0718; --brand-hi:#ff2a42;
  --brand-2:#ff2a42; --brand-glow:rgba(var(--brand-rgb),.55);
  --accent:#ff3b6b;
  --price-color:var(--text);   /* product price text — overridable in Settings */
  --bg:#07070b; --bg-2:#0c0c14; --panel:#12121d; --panel-2:#171726;
  --surface:rgba(255,255,255,.035); --surface-2:rgba(255,255,255,.06);
  --stroke:rgba(255,255,255,.08); --stroke-2:rgba(255,255,255,.14);
  --text:#f4f4fa; --muted:#9a9ab0; --muted-2:#6b6b82;
  --ok:#22d39a; --warn:#ffb020; --bad:#ff4d5e;
  --r:16px; --r-sm:11px; --r-lg:22px;
  --shadow:0 18px 50px -12px rgba(0,0,0,.7);
  --glow:0 0 0 1px rgba(var(--brand-rgb),.35), 0 10px 40px -8px var(--brand-glow);
  --ease:cubic-bezier(.22,.61,.36,1);
  --sidebar:84px; --topbar:64px;
  --sans:"Inter",system-ui,Segoe UI,Roboto,sans-serif;
  --display:"Sora","Inter",system-ui,sans-serif;
  --hover:rgba(255,255,255,.10);
  --chart-grid:rgba(255,255,255,.07);
  --dot-core:#0c0c14;
  --body-glow-1:rgba(var(--brand-rgb),.16); --body-glow-2:rgba(235,18,86,.13);
  --topbar-bg:rgba(10,10,16,.6);
  --nav-active-bg:linear-gradient(180deg,rgba(var(--brand-rgb),.30),rgba(var(--brand-rgb),.10));
  --nav-active-fg:#fff;
  --logo:url(../img/logo.png); --logo-mark:url(../img/logo-mark.png); --logo-ink:url(../img/logo-dark.png);
}

/* ---------------- LIGHT THEME ---------------- */
[data-theme="light"]{
  --bg:#eceef5; --bg-2:#ffffff; --panel:#ffffff; --panel-2:#f5f6fb;
  --surface:rgba(18,22,48,.045); --surface-2:rgba(18,22,48,.085);
  --stroke:rgba(18,22,48,.12); --stroke-2:rgba(18,22,48,.20);
  --text:#16161f; --muted:#585869; --muted-2:#8a8a9b;
  --brand-glow:rgba(var(--brand-rgb),.30);
  --shadow:0 18px 44px -20px rgba(20,22,55,.30);
  --glow:0 0 0 1px rgba(var(--brand-rgb),.30), 0 14px 32px -12px rgba(var(--brand-rgb),.30);
  --hover:rgba(18,22,48,.06);
  --chart-grid:rgba(18,22,48,.10);
  --dot-core:#ffffff;
  --body-glow-1:rgba(var(--brand-rgb),.09); --body-glow-2:rgba(235,18,86,.07);
  --topbar-bg:rgba(255,255,255,.72);
  --nav-active-bg:linear-gradient(180deg,var(--brand),var(--brand-dark));
  --nav-active-fg:#fff;
  --logo:url(../img/logo-dark.png); --logo-mark:url(../img/logo-mark-dark.png);
}
*{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%}
body{
  font-family:var(--sans); color:var(--text); background:var(--bg);
  -webkit-font-smoothing:antialiased; overflow:hidden;
  background-image:
    radial-gradient(1200px 700px at 82% -10%, var(--body-glow-1), transparent 60%),
    radial-gradient(900px 600px at -8% 110%, var(--body-glow-2), transparent 55%);
}
button,input,select,textarea{font-family:inherit;color:inherit}
button{cursor:pointer;border:none;background:none}
::selection{background:var(--brand);color:#fff}
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-thumb{background:rgba(255,255,255,.1);border-radius:20px;border:2px solid transparent;background-clip:content-box}
::-webkit-scrollbar-thumb:hover{background:rgba(255,255,255,.2);background-clip:content-box}
.hide{display:none!important}

/* ---------------- typography / utils ---------------- */
h1,h2,h3,h4{font-family:var(--display);font-weight:700;letter-spacing:-.02em;line-height:1.1}
.muted{color:var(--muted)} .small{font-size:12.5px} .tiny{font-size:11px}
.up{text-transform:uppercase;letter-spacing:.14em;font-size:11px;color:var(--muted-2);font-weight:600}
.mono{font-variant-numeric:tabular-nums}
.row{display:flex;align-items:center;gap:12px}
.row.between{justify-content:space-between}
.col{display:flex;flex-direction:column}
.grow{flex:1}
.pill{display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border-radius:999px;font-size:12px;font-weight:600;background:var(--surface);border:1px solid var(--stroke)}

/* gradient brand text */
.brandgrad{background:linear-gradient(92deg,#fff 8%,var(--brand) 60%,var(--brand-2));-webkit-background-clip:text;background-clip:text;color:transparent}

/* ---------------- buttons ---------------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:11px 16px;border-radius:var(--r-sm);
  font-weight:600;font-size:14px;background:var(--surface-2);border:1px solid var(--stroke-2);color:var(--text);
  transition:transform .15s var(--ease),background .2s,border-color .2s,box-shadow .2s}
.btn:hover{background:var(--hover);transform:translateY(-1px)}
.btn:active{transform:translateY(0)}
.btn.ghost{background:transparent}
.btn.sm{padding:8px 12px;font-size:13px;border-radius:9px}
.btn.lg{padding:15px 20px;font-size:16px}
.btn.block{width:100%}
.btn.primary{background:linear-gradient(180deg,var(--brand),var(--brand-dark));border-color:transparent;color:#fff;
  box-shadow:0 10px 30px -8px var(--brand-glow)}
.btn.primary:hover{box-shadow:0 14px 38px -8px var(--brand-glow);background:linear-gradient(180deg,var(--brand-hi),var(--brand-dark))}
.btn.icon{padding:10px;width:40px;height:40px;border-radius:10px}
.btn[disabled]{opacity:.45;pointer-events:none}
.btn svg{width:18px;height:18px}

/* ---------------- inputs ---------------- */
.input,.select{width:100%;padding:12px 14px;border-radius:var(--r-sm);background:var(--bg-2);
  border:1px solid var(--stroke);color:var(--text);font-size:14px;transition:border-color .2s,box-shadow .2s}
.input:focus,.select:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(var(--brand-rgb),.18)}
.field{display:flex;flex-direction:column;gap:6px}
.field label{font-size:12px;color:var(--muted);font-weight:600}
.search{position:relative}
.search svg{position:absolute;left:13px;top:50%;transform:translateY(-50%);width:18px;height:18px;color:var(--muted-2)}
.search .input{padding-left:40px}

/* ---------------- cards / panels ---------------- */
.card{background:linear-gradient(180deg,var(--panel),var(--bg-2));border:1px solid var(--stroke);
  border-radius:var(--r);box-shadow:var(--shadow)}
.glass{background:var(--surface);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border:1px solid var(--stroke);border-radius:var(--r)}
.pad{padding:18px} .pad-lg{padding:24px}

/* badges */
.badge{display:inline-flex;align-items:center;gap:5px;font-size:11px;font-weight:700;padding:3px 8px;border-radius:7px;
  background:var(--surface);border:1px solid var(--stroke)}
.badge.ok{color:var(--ok);background:rgba(34,211,154,.1);border-color:rgba(34,211,154,.25)}
.badge.warn{color:var(--warn);background:rgba(255,176,32,.1);border-color:rgba(255,176,32,.25)}
.badge.bad{color:var(--bad);background:rgba(255,77,94,.1);border-color:rgba(255,77,94,.25)}

/* =========================================================
   LOGIN
   ========================================================= */
.login{height:100vh;display:grid;place-items:center;padding:24px;position:relative;overflow:hidden}
.login-bg{position:absolute;inset:0;z-index:0;background-size:cover;background-position:center;
  filter:blur(var(--bg-blur,9px)) saturate(1.05);transform:scale(1.14)}
.login-bg::after{content:"";position:absolute;inset:0;background:#05050a;opacity:var(--bg-overlay,.55)}
.login .aura{position:absolute;inset:0;pointer-events:none;z-index:1;
  background:radial-gradient(600px 600px at 50% 30%,rgba(var(--brand-rgb),.18),transparent 60%)}
.login-card{width:min(420px,92vw);position:relative;z-index:2;padding:34px;text-align:center;
  animation:rise .6s var(--ease) both}
.login .logo{margin:0 auto 18px}
.login h1{font-size:26px}
.login .sub{color:var(--muted);margin-top:6px;font-size:14px}
.pinrow{display:flex;justify-content:center;gap:12px;margin:26px 0 22px}
.pindot{width:14px;height:14px;border-radius:50%;background:var(--surface-2);border:1px solid var(--stroke-2);transition:.2s}
.pindot.on{background:var(--brand);border-color:var(--brand);box-shadow:0 0 12px var(--brand-glow);transform:scale(1.12)}
.keypad{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.key{aspect-ratio:1.4;border-radius:14px;font-size:22px;font-weight:600;font-family:var(--display);
  background:var(--surface-2);border:1px solid var(--stroke);transition:transform .12s var(--ease),background .2s}
.key:hover{background:var(--hover)} .key:active{transform:scale(.94)}
.key.brand{color:var(--brand)}
.demo-pins{margin-top:20px;font-size:12px;color:var(--muted-2);line-height:1.7}
.demo-pins b{color:var(--muted)}
.shake{animation:shake .4s}

/* =========================================================
   APP SHELL
   ========================================================= */
.shell{display:grid;grid-template-columns:var(--sidebar) 1fr;grid-template-rows:var(--topbar) 1fr;
  grid-template-areas:"side top" "side main";height:100vh}
.sidebar{grid-area:side;background:linear-gradient(180deg,var(--panel),var(--bg-2));border-right:1px solid var(--stroke);
  display:flex;flex-direction:column;align-items:center;padding:14px 0;gap:6px;z-index:20}
.sidebar .mark{width:46px;height:46px;border-radius:13px;display:grid;place-items:center;margin-bottom:10px;
  background:linear-gradient(145deg,var(--brand),var(--brand-dark));box-shadow:0 8px 22px -6px var(--brand-glow);
  font-family:var(--display);font-weight:800;color:#fff;font-size:20px}
.nav{display:flex;flex-direction:column;gap:4px;width:100%;align-items:center;flex:1}
.navitem{width:60px;height:54px;border-radius:14px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
  color:var(--muted);position:relative;transition:.2s var(--ease)}
.navitem svg{width:22px;height:22px}
.navitem span{font-size:9.5px;font-weight:600;letter-spacing:.02em}
.navitem:hover{color:var(--text);background:var(--surface)}
.navitem.active{color:var(--nav-active-fg);background:var(--nav-active-bg);
  box-shadow:inset 0 0 0 1px rgba(var(--brand-rgb),.35)}
.navitem.active::before{content:"";position:absolute;left:-14px;top:50%;transform:translateY(-50%);
  width:4px;height:26px;border-radius:4px;background:var(--brand);box-shadow:0 0 12px var(--brand-glow)}

.topbar{grid-area:top;border-bottom:1px solid var(--stroke);display:flex;align-items:center;gap:16px;
  padding:0 22px;background:var(--topbar-bg);backdrop-filter:blur(12px);z-index:15}
.topbar .page-title{font-size:18px;font-family:var(--display);font-weight:700}
.store-switch{display:flex;align-items:center;gap:9px;padding:7px 12px;border-radius:11px;background:var(--surface);
  border:1px solid var(--stroke);cursor:pointer;transition:.2s}
.store-switch:hover{background:var(--surface-2);border-color:var(--stroke-2)}
.store-switch .dot{width:8px;height:8px;border-radius:50%;background:var(--ok);box-shadow:0 0 8px var(--ok)}
.clock{font-variant-numeric:tabular-nums;color:var(--muted);font-size:13px;font-weight:500}
.userchip{display:flex;align-items:center;gap:10px;padding:5px 6px 5px 12px;border-radius:999px;background:var(--surface);border:1px solid var(--stroke)}
.avatar{width:34px;height:34px;border-radius:50%;display:grid;place-items:center;font-weight:700;font-size:13px;
  background:linear-gradient(145deg,var(--brand-2),var(--brand));color:#fff}

.main{grid-area:main;overflow:auto;padding:24px}
.view{animation:fade .35s var(--ease) both}
.view-head{display:flex;align-items:flex-end;justify-content:space-between;margin-bottom:18px;gap:16px;flex-wrap:wrap}
.view-head h2{font-size:24px}
.view-head .sub{color:var(--muted);font-size:13.5px;margin-top:3px}

/* =========================================================
   REGISTER
   ========================================================= */
.register{display:grid;grid-template-columns:minmax(0,1fr) 384px;gap:18px;height:calc(100vh - var(--topbar) - 48px)}
.reg-left{display:flex;flex-direction:column;gap:14px;min-height:0;min-width:0}
.reg-right{min-width:0}
.cat-wrap{position:relative;min-width:0}
.cat-wrap::before,.cat-wrap::after{content:"";position:absolute;top:0;bottom:4px;width:44px;pointer-events:none;z-index:3;opacity:0;transition:opacity .2s}
.cat-wrap::before{left:0;background:linear-gradient(90deg,var(--bg),rgba(0,0,0,0))}
.cat-wrap::after{right:0;background:linear-gradient(270deg,var(--bg),rgba(0,0,0,0))}
.cat-wrap.more-left::before{opacity:1}
.cat-wrap.more-right::after{opacity:1}
.cat-bar{display:flex;gap:9px;overflow-x:auto;padding-bottom:4px;scrollbar-width:none}
.cat-bar::-webkit-scrollbar{display:none}
.chip{flex:0 0 auto;display:inline-flex;align-items:center;gap:8px;padding:9px 15px;border-radius:12px;
  background:var(--surface);border:1px solid var(--stroke);color:var(--muted);font-weight:600;font-size:13.5px;
  white-space:nowrap;transition:.18s var(--ease)}
.chip svg{width:17px;height:17px}
.chip:hover{color:var(--text);background:var(--surface-2)}
.chip.active{color:#fff;background:linear-gradient(180deg,var(--brand),var(--brand-dark));border-color:transparent;
  box-shadow:0 8px 22px -8px var(--brand-glow)}

.prod-grid{flex:1;overflow:auto;display:grid;grid-template-columns:repeat(auto-fill,minmax(155px,1fr));
  grid-auto-rows:262px;gap:14px;align-content:start;padding:2px 4px 10px 2px}
.pcard{position:relative;border-radius:var(--r);overflow:hidden;background:var(--panel);border:1px solid var(--stroke);
  cursor:pointer;transition:transform .18s var(--ease),box-shadow .2s,border-color .2s;display:flex;flex-direction:column}
.pcard:hover{transform:translateY(-4px);border-color:rgba(var(--brand-rgb),.45);box-shadow:var(--glow)}
.pcard .imgwrap{position:relative;width:100%;height:160px;background:#fff;overflow:hidden}
.pcard img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease)}
.pcard:hover img{transform:scale(1.06)}
.pcard .imgwrap .ph{position:absolute;inset:0;display:grid;place-items:center;color:#c9c9d6;background:#15151f}
.pcard .meta{padding:10px 11px 12px;display:flex;flex-direction:column;gap:4px;flex:1}
.pcard .pname{font-size:12.8px;font-weight:600;line-height:1.25;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:32px}
.pcard .pbrand{font-size:10.5px;color:var(--muted-2);text-transform:uppercase;letter-spacing:.05em}
.pcard .prow{display:flex;align-items:center;justify-content:space-between;margin-top:auto}
.pcard .price{font-weight:700;font-family:var(--display);font-size:15px;color:var(--price-color)}
.stock-tag{position:absolute;top:9px;left:9px;font-size:10px;font-weight:700;padding:3px 7px;border-radius:7px;
  color:#f4f4fa;background:rgba(7,7,11,.72);backdrop-filter:blur(6px);border:1px solid rgba(255,255,255,.14)}
.stock-tag.low{color:var(--warn);border-color:rgba(255,176,32,.4)}
.stock-tag.out{color:var(--bad);border-color:rgba(255,77,94,.4)}
.pcard .add-fab{position:absolute;right:9px;top:9px;width:30px;height:30px;border-radius:9px;display:grid;place-items:center;
  background:var(--brand);color:#fff;opacity:0;transform:scale(.7);transition:.18s var(--ease);box-shadow:0 6px 16px -4px var(--brand-glow)}
.pcard:hover .add-fab{opacity:1;transform:scale(1)}

/* cart */
.cart{display:flex;flex-direction:column;min-height:0;overflow:hidden}
.cart-head{padding:16px 18px;border-bottom:1px solid var(--stroke)}
.cart-cust{display:flex;align-items:center;justify-content:space-between;margin-top:12px;padding:9px 12px;border-radius:11px;
  background:var(--surface);border:1px dashed var(--stroke-2);font-size:13px;cursor:pointer}
.cart-cust.has{border-style:solid;border-color:rgba(34,211,154,.3);background:rgba(34,211,154,.06)}
.cart-items{flex:1;overflow:auto;padding:8px}
.citem{display:grid;grid-template-columns:46px 1fr auto;gap:11px;padding:10px;border-radius:12px;align-items:center;transition:background .15s}
.citem:hover{background:var(--surface)}
.citem .thumb{width:46px;height:46px;border-radius:9px;object-fit:cover;background:#fff}
.citem .ci-name{font-size:12.8px;font-weight:600;line-height:1.2;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.citem .ci-price{font-size:11.5px;color:var(--muted)}
.qty{display:flex;align-items:center;gap:7px}
.qbtn{width:26px;height:26px;border-radius:8px;background:var(--surface-2);border:1px solid var(--stroke);display:grid;place-items:center;font-size:16px;font-weight:600;line-height:1}
.qbtn:hover{background:var(--hover)}
.qnum{min-width:20px;text-align:center;font-weight:700;font-variant-numeric:tabular-nums}
.ci-total{font-weight:700;font-family:var(--display);min-width:58px;text-align:right}
.cart-empty{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;color:var(--muted-2);text-align:center;padding:30px}
.cart-empty svg{width:54px;height:54px;opacity:.4}
.cart-foot{border-top:1px solid var(--stroke);padding:16px 18px;background:var(--bg-2)}
.totline{display:flex;justify-content:space-between;font-size:13.5px;color:var(--muted);margin-bottom:7px}
.totline .v{color:var(--text);font-weight:600;font-variant-numeric:tabular-nums}
.totline.grand{font-size:21px;color:var(--text);font-weight:800;font-family:var(--display);margin:12px 0 14px;
  padding-top:12px;border-top:1px dashed var(--stroke-2)}
.disc-input{width:84px;padding:5px 9px;border-radius:8px;background:var(--bg);border:1px solid var(--stroke);text-align:right;font-size:13px}

/* =========================================================
   DASHBOARD
   ========================================================= */
.kpis{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:18px}
.kpi{padding:18px 20px;position:relative;overflow:hidden}
.kpi .klabel{font-size:12px;color:var(--muted);font-weight:600;display:flex;align-items:center;gap:8px}
.kpi .kval{font-size:30px;font-family:var(--display);font-weight:800;margin-top:10px;letter-spacing:-.02em}
.kpi .kdelta{font-size:12px;font-weight:700;margin-top:8px;display:inline-flex;align-items:center;gap:4px}
.kdelta.up{color:var(--ok)} .kdelta.down{color:var(--bad)}
.kpi .kicon{position:absolute;right:16px;top:16px;width:40px;height:40px;border-radius:12px;display:grid;place-items:center;
  background:var(--surface);color:var(--brand)}
.kpi::after{content:"";position:absolute;left:0;bottom:0;height:3px;width:100%;
  background:linear-gradient(90deg,var(--brand),var(--brand-2))}
.dash-grid{display:grid;grid-template-columns:1.6fr 1fr;gap:16px;margin-bottom:16px}
.dash-grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.panel-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}
.panel-head h3{font-size:16px}
.list-row{display:flex;align-items:center;gap:12px;padding:10px 0;border-bottom:1px solid var(--stroke)}
.list-row:last-child{border-bottom:none}
.rank{width:24px;height:24px;border-radius:7px;display:grid;place-items:center;font-size:12px;font-weight:700;background:var(--surface-2);color:var(--muted)}
.rank.top{background:linear-gradient(145deg,var(--brand),var(--brand-dark));color:#fff}
.bar-track{height:7px;border-radius:6px;background:var(--surface-2);overflow:hidden;margin-top:6px}
.bar-fill{height:100%;border-radius:6px;background:linear-gradient(90deg,var(--brand),var(--brand-2))}

/* =========================================================
   TABLES
   ========================================================= */
.table{width:100%;border-collapse:collapse;font-size:13.5px}
.table th{text-align:left;font-size:11px;text-transform:uppercase;letter-spacing:.1em;color:var(--muted-2);
  font-weight:700;padding:11px 14px;border-bottom:1px solid var(--stroke);position:sticky;top:0;background:var(--panel);z-index:1}
.table td{padding:12px 14px;border-bottom:1px solid var(--stroke)}
.table tbody tr{transition:background .15s}
.table tbody tr:hover{background:var(--surface)}
.table .r{text-align:right} .table .c{text-align:center}
.table-wrap{overflow:auto;border-radius:var(--r);border:1px solid var(--stroke);background:var(--panel)}
.thumb-sm{width:38px;height:38px;border-radius:8px;object-fit:cover;background:#fff}

/* =========================================================
   MODAL / TOAST
   ========================================================= */
#modal-root{position:fixed;inset:0;z-index:100;display:none}
#modal-root.open{display:block}
.scrim{position:absolute;inset:0;background:rgba(4,4,8,.66);backdrop-filter:blur(6px);animation:fade .25s}
.modal{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:min(var(--mw,460px),94vw);
  max-height:92vh;overflow:auto;animation:pop .3s var(--ease) both}
.modal .mhead{display:flex;align-items:center;justify-content:space-between;padding:20px 22px;border-bottom:1px solid var(--stroke)}
.modal .mhead h3{font-size:18px}
.modal .mbody{padding:22px}
.modal .mfoot{padding:16px 22px;border-top:1px solid var(--stroke);display:flex;gap:10px;justify-content:flex-end}
.xbtn{width:34px;height:34px;border-radius:9px;display:grid;place-items:center;color:var(--muted);background:var(--surface)}
.xbtn:hover{background:var(--surface-2);color:var(--text)}

#toasts{position:fixed;right:22px;bottom:22px;z-index:200;display:flex;flex-direction:column;gap:10px;align-items:flex-end}
.toast{display:flex;align-items:center;gap:11px;padding:13px 17px;border-radius:13px;background:var(--panel-2);
  border:1px solid var(--stroke-2);box-shadow:var(--shadow);font-size:13.5px;font-weight:500;animation:slidein .3s var(--ease) both;max-width:340px}
.toast .ic{width:30px;height:30px;border-radius:9px;display:grid;place-items:center;flex:0 0 auto}
.toast.ok .ic{background:rgba(34,211,154,.15);color:var(--ok)}
.toast.bad .ic{background:rgba(255,77,94,.15);color:var(--bad)}
.toast.info .ic{background:rgba(var(--brand-rgb),.15);color:var(--brand)}

/* payment keypad */
.pay-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;margin-bottom:18px}
.pay-opt{padding:16px;border-radius:14px;background:var(--surface);border:1px solid var(--stroke);display:flex;flex-direction:column;align-items:center;gap:8px;font-weight:600;transition:.18s}
.pay-opt svg{width:26px;height:26px;color:var(--muted)}
.pay-opt:hover{background:var(--surface-2)}
.pay-opt.active{border-color:var(--brand);background:rgba(var(--brand-rgb),.1);box-shadow:0 0 0 1px var(--brand)}
.pay-opt.active svg{color:var(--brand)}
.tender-display{text-align:center;padding:18px;border-radius:14px;background:var(--bg-2);border:1px solid var(--stroke);margin-bottom:14px}
.tender-display .lbl{font-size:12px;color:var(--muted)}
.tender-display .amt{font-size:34px;font-family:var(--display);font-weight:800;margin-top:4px}
.tender-display .chg{font-size:13px;color:var(--ok);margin-top:6px;font-weight:600}
.quick-cash{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin-bottom:14px}
.numpad{display:grid;grid-template-columns:repeat(3,1fr);gap:9px}
.numpad .key{aspect-ratio:1.7;font-size:20px;border-radius:12px}

/* receipt */
.receipt{background:#fff;color:#1a1a1a;border-radius:12px;padding:26px;width:330px;margin:0 auto;font-family:"Inter",sans-serif}
.receipt .r-head{text-align:center;border-bottom:2px dashed #ccc;padding-bottom:14px;margin-bottom:14px}
.receipt .r-brand{font-family:var(--display);font-weight:800;font-size:22px;color:var(--brand)}
.receipt .r-line{display:flex;justify-content:space-between;font-size:12.5px;margin:5px 0}
.receipt .r-items{border-top:1px dashed #ccc;border-bottom:1px dashed #ccc;padding:12px 0;margin:12px 0}
.receipt .r-grand{font-size:18px;font-weight:800;display:flex;justify-content:space-between;margin-top:10px}
.receipt .r-foot{text-align:center;font-size:11px;color:#666;margin-top:16px;border-top:2px dashed #ccc;padding-top:12px}

/* misc */
.empty{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;padding:70px 20px;color:var(--muted-2);text-align:center}
.empty svg{width:60px;height:60px;opacity:.35}
.spinner{width:34px;height:34px;border-radius:50%;border:3px solid var(--surface-2);border-top-color:var(--brand);animation:spin .8s linear infinite}
.loading{display:grid;place-items:center;padding:80px}
.seg{display:inline-flex;background:var(--surface);border:1px solid var(--stroke);border-radius:11px;padding:3px}
.seg button{padding:8px 14px;border-radius:8px;font-size:13px;font-weight:600;color:var(--muted)}
.seg button.active{background:var(--brand);color:#fff}

/* ---------------- brand logo + theme-aware charts ---------------- */
.nn-logo{background-image:var(--logo);background-repeat:no-repeat;background-position:center;background-size:contain}
.login-logo{width:248px;height:118px;margin:0 auto 2px;filter:drop-shadow(0 8px 22px var(--brand-glow))}
.nn-mark{width:62px;height:42px;margin-bottom:10px;background-image:var(--logo-mark);
  background-repeat:no-repeat;background-position:center;background-size:contain}
.theme-toggle{color:var(--muted)} .theme-toggle:hover{color:var(--text)}
.bg-preview{width:108px;height:66px;border-radius:11px;border:1px solid var(--stroke);
  background:var(--bg-2) center/cover no-repeat;display:grid;place-items:center;color:var(--muted-2);flex:0 0 auto}
.acc-swatch{width:22px;height:22px;border-radius:50%;border:2px solid var(--stroke-2);cursor:pointer;padding:0;transition:transform .12s var(--ease)}
.acc-swatch:hover{transform:scale(1.18)}
.switch{position:relative;display:inline-block;width:44px;height:24px;flex:0 0 auto}
.switch input{opacity:0;width:0;height:0;position:absolute}
.switch .slider{position:absolute;inset:0;background:var(--surface-2);border:1px solid var(--stroke);border-radius:999px;transition:.2s;cursor:pointer}
.switch .slider::before{content:"";position:absolute;width:18px;height:18px;left:2px;top:2px;border-radius:50%;background:#fff;transition:.2s;box-shadow:0 1px 3px rgba(0,0,0,.3)}
.switch input:checked + .slider{background:var(--brand);border-color:transparent}
.switch input:checked + .slider::before{transform:translateX(20px)}

/* ---------------- help / support ---------------- */
.help-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.05fr);gap:16px;align-items:start}
@media(max-width:1024px){.help-grid{grid-template-columns:1fr}}
.ticket{border:1px solid var(--stroke);border-radius:var(--r);padding:14px;background:var(--surface);transition:border-color .2s}
.ticket:hover{border-color:var(--stroke-2)}
.ticket.is-resolved{opacity:.72}
.t-ic{width:34px;height:34px;border-radius:10px;display:grid;place-items:center;flex:0 0 auto;background:var(--surface-2);color:var(--muted)}
.t-ic.bad{background:rgba(255,77,94,.13);color:var(--bad)}
.t-ic.ok{background:rgba(34,211,154,.13);color:var(--ok)}
.t-ic.info{background:rgba(var(--brand-rgb),.13);color:var(--brand)}
.nn-chart text{fill:var(--muted-2)}
.nn-chart .gl{stroke:var(--chart-grid)}
.nn-chart .dot{fill:var(--dot-core);stroke:var(--brand)}
.nn-chart .gline{stroke:var(--brand)}
.nn-chart .gstop{stop-color:var(--brand)}
.nn-chart .ctext{fill:var(--text)}
.nn-chart .clabel{fill:var(--muted)}

/* ---------------- animations ---------------- */
@keyframes spin{to{transform:rotate(360deg)}}
@keyframes fade{from{opacity:0}to{opacity:1}}
@keyframes rise{from{opacity:0;transform:translateY(18px)}to{opacity:1;transform:none}}
@keyframes pop{from{opacity:0;transform:translate(-50%,-46%) scale(.96)}to{opacity:1;transform:translate(-50%,-50%) scale(1)}}
@keyframes slidein{from{opacity:0;transform:translateX(30px)}to{opacity:1;transform:none}}
@keyframes shake{0%,100%{transform:translateX(0)}20%,60%{transform:translateX(-9px)}40%,80%{transform:translateX(9px)}}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.4}}
.flash{animation:flashbg .5s var(--ease)}
@keyframes flashbg{from{background:rgba(var(--brand-rgb),.25)}to{background:transparent}}

/* ---------------- responsive ---------------- */
@media(max-width:1180px){
  .register{grid-template-columns:1fr 340px}
  .kpis{grid-template-columns:repeat(2,1fr)}
  .dash-grid{grid-template-columns:1fr}
  .dash-grid-3{grid-template-columns:1fr}
}
@media(max-width:820px){
  :root{--sidebar:0px}
  .sidebar{position:fixed;left:0;top:0;bottom:0;width:74px;transform:translateX(-100%);transition:.3s}
  .shell{grid-template-columns:1fr}
  .register{grid-template-columns:1fr;height:auto}
  .reg-right{position:fixed;inset:0;z-index:30}
}