/* ============================================================
   Kade Shop PoS Cloud — design system
   Premium SaaS look · navy + gold · system font stack
   Every view module (dashboard/sell/products/customers/ops/
   reports/settings/auth) builds on these classes only.
   ============================================================ */
:root{
  color-scheme: light;
  --navy:#0b2a5b;
  --navy2:#081f45;
  --gold:#f5a623;
  --bg:#f4f6fa;
  --card:#ffffff;
  --ink:#1a2333;
  --mut:#6b7686;
  --ok:#1e9e5a;
  --danger:#d64545;
  --warn:#e8930c;
  --line:#e5e9f1;
  --shadow:0 2px 10px rgba(11,42,91,.07);
  --shadow-lg:0 10px 32px rgba(11,42,91,.18);
  --r:12px;
  --font:-apple-system,'Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{font-family:var(--font);background:var(--bg);color:var(--ink);
  font-size:15px;line-height:1.45;-webkit-text-size-adjust:100%}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:var(--ink)}
h1,h2,h3{color:var(--ink)}
a{color:var(--navy)}
.hidden{display:none!important}
.mut{color:var(--mut)}
.small{font-size:12px}
.right{text-align:right}
.center{text-align:center}
.w100{width:100%}
.mt8{margin-top:8px}
.mt16{margin-top:16px}
.between{display:flex;justify-content:space-between;align-items:center;gap:10px;flex-wrap:wrap}

/* ---------- app shell ---------- */
#loginView{min-height:100vh;display:flex;align-items:center;justify-content:center;
  padding:20px;background:linear-gradient(135deg,var(--navy2) 0%,var(--navy) 60%,#123a7d 100%)}
.login-wrap{width:100%;max-width:400px}
.login-card{background:#fff;border-radius:16px;box-shadow:var(--shadow-lg);padding:28px}
.login-card h2{margin:6px 0 16px;font-size:20px}
.login-err{margin-bottom:12px}
#app{display:flex;min-height:100vh}
#bottomNav{display:none}
#sidebar{width:232px;flex:0 0 232px;background:linear-gradient(180deg,var(--navy2),var(--navy));
  color:#dbe4f3;position:sticky;top:0;height:100vh;display:flex;flex-direction:column;z-index:60}
.brand{display:flex;align-items:center;gap:10px;padding:16px;color:#fff}
.brand .bolt{font-size:26px;background:var(--gold);border-radius:10px;width:40px;height:40px;
  display:flex;align-items:center;justify-content:center;flex:0 0 40px}
.brand b{display:block;font-size:17px;line-height:1.2}
.brand small{display:block;color:#9fb0cc;font-size:11px;letter-spacing:.06em;text-transform:uppercase}
#mainNav{flex:1;overflow-y:auto;padding:6px 10px 16px;display:flex;flex-direction:column;gap:2px}
.navbtn{display:flex;align-items:center;gap:10px;width:100%;text-align:left;
  background:transparent;border:0;color:#c4d0e6;padding:10px 12px;border-radius:10px;
  font-size:14px;font-weight:600;cursor:pointer}
.navbtn .ic{font-size:17px;width:22px;text-align:center;flex:0 0 22px}
.navbtn:hover{background:rgba(255,255,255,.08);color:#fff}
.navbtn.active{background:rgba(245,166,35,.16);color:#fff;box-shadow:inset 3px 0 0 var(--gold)}
.main{flex:1;min-width:0;display:flex;flex-direction:column}
#topbar{background:#fff;border-bottom:1px solid var(--line);padding:10px 20px;
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  position:sticky;top:0;z-index:55}
#pageTitle{margin:0;font-size:19px;font-weight:700}
.topright{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.shopname{font-size:13px;font-weight:700;color:var(--navy);background:#eef3fb;
  border:1px solid var(--line);padding:6px 12px;border-radius:999px}
.uchip{display:flex;align-items:center;gap:8px;font-size:13px}
.uchip b{display:block;line-height:1.2}
.uchip span{display:block;color:var(--mut);font-size:11px;text-transform:capitalize}
.uchip::before{content:"";width:32px;height:32px;border-radius:50%;flex:0 0 32px;
  background:linear-gradient(135deg,var(--navy),#2b5aa0)}
#view{padding:20px;width:100%;max-width:1280px;margin:0 auto;flex:1}
#appfoot{text-align:center;color:var(--mut);font-size:11px;padding:10px 16px 16px}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;
  background:#eef1f6;border:1px solid #dfe4ec;color:var(--ink);
  padding:10px 16px;border-radius:10px;font-weight:600;font-size:14px;
  cursor:pointer;text-decoration:none;white-space:nowrap}
.btn:hover{filter:brightness(.97)}
.btn:active{transform:translateY(1px)}
.btn:disabled{opacity:.55;cursor:not-allowed;transform:none}
.btn.pri{background:var(--navy);border-color:var(--navy);color:#fff}
.btn.gold{background:var(--gold);border-color:var(--gold);color:#3a2a00}
.btn.ghost{background:#fff;border-color:#d5dbe5}
.btn.danger{background:var(--danger);border-color:var(--danger);color:#fff}
.btn.sm{padding:6px 11px;font-size:13px;border-radius:8px}
.btn.block{width:100%}
.iconbtn{display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;border-radius:9px;border:1px solid #d5dbe5;background:#fff;
  color:var(--ink);cursor:pointer;font-size:15px}
.iconbtn:hover{background:#f0f3f8}
.iconbtn.danger{color:var(--danger);border-color:#f0c9c9}

/* ---------- cards & KPI ---------- */
.card{background:var(--card);border-radius:var(--r);box-shadow:var(--shadow);padding:16px;margin-bottom:14px}
.card h3{margin:0 0 12px;font-size:16px;font-weight:700}
.kpi-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px;margin-bottom:14px}
.kpi{background:var(--card);border-radius:var(--r);box-shadow:var(--shadow);padding:14px}
.kpi .l{font-size:12px;color:var(--mut);font-weight:600;text-transform:uppercase;letter-spacing:.04em}
.kpi .v{font-size:23px;font-weight:800;color:var(--navy);margin-top:4px}
.kpi .v.gold{color:#b97a0a}

/* ---------- tables ---------- */
.tblwrap{overflow-x:auto;border-radius:10px;border:1px solid var(--line)}
.tbl{width:100%;border-collapse:collapse;font-size:14px;background:#fff;min-width:560px}
.tbl th{background:#f0f3f8;text-align:left;padding:10px 12px;font-size:12px;
  text-transform:uppercase;letter-spacing:.04em;color:var(--mut);
  position:sticky;top:0;z-index:1;white-space:nowrap}
.tbl td{padding:10px 12px;border-top:1px solid #eef1f6;vertical-align:middle}
.tbl tr:hover td{background:#fafbfe}
.tbl tfoot td{font-weight:700;background:#f7f9fc}
.rep{width:100%;border-collapse:collapse;font-size:14px;background:#fff}
.rep th{text-align:left;padding:9px 10px;background:var(--navy);color:#fff;font-size:12px;
  text-transform:uppercase;letter-spacing:.04em}
.rep td{padding:9px 10px;border-bottom:1px solid var(--line)}
.rep tr:nth-child(even) td{background:#f8fafd}
.rep tfoot td{font-weight:700;background:#eef3fb}

/* ---------- forms ---------- */
.form{max-width:640px}
.field{margin-bottom:12px}
.field label{display:block;font-size:13px;font-weight:600;color:var(--mut);margin-bottom:5px}
.field input,.field select,.field textarea{width:100%;padding:10px 12px;font-size:14px;
  color:var(--ink);background:#fff;border:1px solid #d5dbe5;border-radius:8px;outline:none}
.field textarea{min-height:80px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:var(--navy);box-shadow:0 0 0 3px rgba(11,42,91,.12)}
.field input::placeholder,.field textarea::placeholder{color:#a6b0c0}
.frow{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.frow .field{margin-bottom:12px}
input[type="checkbox"],input[type="radio"]{width:auto;accent-color:var(--navy)}

/* ---------- badges ---------- */
.badge{display:inline-block;padding:3px 10px;border-radius:999px;font-size:12px;
  font-weight:700;background:#eef1f6;color:var(--mut);white-space:nowrap}
.badge.ok{background:#e3f5ea;color:var(--ok)}
.badge.low{background:#fdf1dc;color:#b97a0a}
.badge.out{background:#fbe3e3;color:var(--danger)}
.vbadge{display:inline-block;padding:3px 10px;border-radius:999px;font-size:12px;
  font-weight:700;background:#e8eefb;color:var(--navy);text-transform:capitalize;white-space:nowrap}
.vbadge.gold{background:#fdf1dc;color:#8a5a06}

/* ---------- segmented control ---------- */
.seg{display:inline-flex;background:#e9edf4;border-radius:10px;padding:4px;gap:2px}
.seg button{border:0;background:transparent;padding:8px 14px;border-radius:8px;
  color:var(--mut);font-weight:700;font-size:13px;cursor:pointer}
.seg button.active{background:#fff;color:var(--navy);box-shadow:0 1px 4px rgba(11,42,91,.15)}

/* ---------- modal ---------- */
#modalRoot{position:fixed;inset:0;z-index:9000;display:none}
#modalRoot.open{display:block}
.overlay{position:absolute;inset:0;background:rgba(8,20,45,.55);
  display:flex;align-items:center;justify-content:center;padding:16px;
  animation:fadein .15s ease}
.sheet{background:#fff;border-radius:14px;box-shadow:var(--shadow-lg);
  width:100%;max-width:520px;max-height:90vh;overflow-y:auto;padding:22px;position:relative;
  animation:pop .16s ease}
.sheet.wide{max-width:720px}
.sheet h3{margin:0 0 12px;font-size:17px;padding-right:28px}
.mclose{position:absolute;top:10px;right:10px;width:32px;height:32px;border-radius:8px;
  border:0;background:#f0f3f8;color:var(--mut);font-size:16px;cursor:pointer;line-height:1}
.mclose:hover{background:#e2e8f2;color:var(--ink)}
@keyframes fadein{from{opacity:0}}
@keyframes pop{from{opacity:0;transform:translateY(8px) scale(.98)}}

/* ---------- toast ---------- */
#toast{position:fixed;bottom:22px;left:50%;transform:translateX(-50%);z-index:9999;
  display:flex;flex-direction:column;gap:8px;align-items:center;pointer-events:none;
  width:max-content;max-width:92vw}
.toastmsg{background:#1a2333;color:#fff;padding:11px 18px;border-radius:10px;
  font-size:14px;font-weight:600;box-shadow:var(--shadow-lg);
  opacity:0;transform:translateY(10px);transition:opacity .25s,transform .25s;
  max-width:92vw;text-align:center}
.toastmsg.show{opacity:1;transform:none}
.toastmsg.err{background:#a02d2d}

/* ---------- alerts / empty / misc ---------- */
.alert{background:#fbe3e3;color:#a02d2d;border:1px solid #f0b9b9;
  padding:10px 14px;border-radius:10px;margin-bottom:12px;font-size:14px}
.alert.ok{background:#e3f5ea;color:#146c3e;border-color:#b5e3c8}
.alert.info{background:#e8eefb;color:var(--navy);border-color:#c3d2ef}
.empty{text-align:center;padding:34px 16px;color:var(--mut)}
.empty .big{font-size:34px;display:block;margin-bottom:8px}
.rowbtns{display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.pager{display:flex;gap:8px;align-items:center;justify-content:center;margin-top:14px}
.tabs{display:flex;gap:4px;border-bottom:2px solid var(--line);margin-bottom:14px;overflow-x:auto}
.tabbtn{border:0;background:none;padding:10px 14px;font-weight:700;font-size:14px;
  color:var(--mut);cursor:pointer;border-bottom:2px solid transparent;margin-bottom:-2px;white-space:nowrap}
.tabbtn.active{color:var(--navy);border-bottom-color:var(--gold)}
.toprow{display:flex;align-items:center;justify-content:space-between;gap:12px;
  margin-bottom:14px;flex-wrap:wrap}
.toprow h2{margin:0;font-size:20px}
.kv{display:flex;justify-content:space-between;gap:12px;padding:8px 0;
  border-bottom:1px dashed var(--line);font-size:14px}
.kv:last-child{border-bottom:0}
.kv b{text-align:right}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.grid3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:14px}
.spin{width:34px;height:34px;border:3px solid #dfe4ec;border-top-color:var(--navy);
  border-radius:50%;animation:sp .8s linear infinite;margin:48px auto}
@keyframes sp{to{transform:rotate(360deg)}}

/* ---------- sell screen: product grid + cart ---------- */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(172px,1fr));gap:14px}
.pbtn{background:#fff;border:1px solid var(--line);border-radius:var(--r);
  box-shadow:var(--shadow);padding:14px 12px;cursor:pointer;text-align:left;
  display:flex;flex-direction:column;gap:6px;min-height:110px;color:var(--ink)}
.pbtn:hover{border-color:var(--navy)}
.pbtn:active{transform:scale(.98)}
.pbtn .pn{font-size:13.5px;font-weight:600;line-height:1.3;flex:1;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.pbtn .pp{font-size:14px;font-weight:800;color:var(--navy)}
.pbtn .ps{font-size:11px;color:var(--mut)}
.pbtn.lowstock{border-color:var(--warn)}
.pbtn.out{opacity:.5;cursor:not-allowed}
.cartbar{background:#fff;border-top:1px solid var(--line);box-shadow:0 -4px 18px rgba(11,42,91,.10);
  padding:12px 16px;position:sticky;bottom:0;z-index:40}
.cartline{display:flex;align-items:center;justify-content:space-between;gap:8px;
  padding:7px 0;border-bottom:1px dashed var(--line);font-size:14px}
.cartline .qn{display:flex;align-items:center;gap:6px}

/* ---------- 80mm receipt ---------- */
.rcpt{max-width:300px;margin:0 auto;background:#fff;color:#111;
  font-family:'Courier New',Courier,monospace;font-size:12px;line-height:1.5;padding:12px}
.rcpt .c{text-align:center}
.rcpt .ri{display:flex;justify-content:space-between;gap:8px}
.rcpt .rl{border-top:1px dashed #888;margin:6px 0}
.rcpt .big{font-size:15px;font-weight:bold}
#printArea{display:none}

/* ---------- responsive ---------- */
@media(max-width:900px){
  #app{flex-direction:column}
  #sidebar{display:none}
  #bottomNav{display:flex;position:fixed;left:0;right:0;bottom:0;z-index:70;
    background:var(--navy);border-top:1px solid rgba(255,255,255,.14);
    padding:8px 6px calc(8px + env(safe-area-inset-bottom))}
  .tabbtn{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:flex-end;
    gap:3px;background:none;border:0;color:#a9bcd8;font-size:10.5px;font-weight:600;
    padding:4px 0;min-height:52px;cursor:pointer}
  .tabbtn .ic{font-size:21px;line-height:1}
  .tabbtn.active{color:var(--gold)}
  .tabbtn.sell .ic{width:54px;height:54px;border-radius:50%;background:var(--gold);color:#10243f;
    display:flex;align-items:center;justify-content:center;font-size:25px;margin-top:-26px;
    border:4px solid var(--navy);box-shadow:0 6px 14px rgba(0,0,0,.35)}
  .tabbtn.sell.active .tl{color:var(--gold)}
  .morerow{display:flex;align-items:center;gap:12px;width:100%;text-align:left;background:#fff;
    border:0;border-bottom:1px solid #eef1f6;padding:13px 6px;font-size:15px;color:var(--ink);cursor:pointer}
  .morerow:last-child{border-bottom:0}
  .morerow .ic{font-size:20px;width:28px;text-align:center;flex:0 0 28px}
  .morerow .chev{margin-left:auto;color:#9aa7bd;font-size:20px}
  #view{padding-bottom:88px}
  #appfoot{display:none}
  #topbar{padding:8px 12px;flex-wrap:wrap}
  #pageTitle{font-size:17px}
  #view{padding:12px}
  .grid2,.grid3,.frow{grid-template-columns:1fr}
  .grid{grid-template-columns:repeat(3,1fr);gap:8px}
  .pbtn{min-height:84px;padding:9px 8px}
  .sheet{padding:18px 14px}
  .tbl{font-size:13px}
}
@media print{
  body>*{display:none!important}
  #printArea{display:block!important}
  .rcpt{box-shadow:none}
}