/* ============================================================
   Chemist 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;
  /* ---- brand: navy + gold ---- */
  --navy:#0b2a5b;
  --navy2:#081f45;
  --navy-soft:#e8eefb;
  --gold:#f5a623;
  --gold-deep:#b97a0a;       /* amber text on light surfaces */
  /* ---- neutral surfaces ---- */
  --bg:#f4f6fa;
  --card:#ffffff;
  --ink:#1a2333;
  --mut:#6b7686;             /* secondary text */
  --faint:#8a93a3;           /* non-essential text only (placeholders, captions) */
  /* ---- semantic status (restrained: status labels + state boxes only) ---- */
  --ok:#1e9e5a;
  --ok-ink:#146c3e;
  --ok-bg:#e3f5ea;
  --danger:#d64545;
  --dan-ink:#a02d2d;
  --dan-bg:#fbe3e3;
  --warn:#e8930c;
  --warn-bg:#fdf3df;
  --line:#e5e9f1;
  /* ---- elevation / radius / type ---- */
  --shadow-sm:0 1px 2px rgba(11,42,91,.05);
  --shadow:0 1px 2px rgba(11,42,91,.05),0 6px 18px rgba(11,42,91,.08);
  --shadow-lg:0 2px 6px rgba(11,42,91,.08),0 16px 40px rgba(11,42,91,.20);
  --r:12px;
  --font:-apple-system,'Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif;
  --fs-xs:12px; --fs-sm:13px; --fs:15px; --fs-lg:17px; --fs-xl:20px;
  --sp1:4px; --sp2:8px; --sp3:12px; --sp4:16px; --sp5:24px; --sp6:32px;
}
*{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;margin-left:auto}
.userbox{display:flex;align-items:center;gap:10px}
.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:9px;font-size:13px;
  background:#f7f9fc;border:1px solid var(--line);padding:4px 12px 4px 4px;border-radius:999px}
.uchip b{display:block;line-height:1.25}
.uchip .rolebadge{display:inline-block;color:#fff;background:var(--navy);
  font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:.05em;
  padding:2px 8px;border-radius:999px;margin-top:2px}
.uchip .rolebadge.cashier{background:#2b5aa0}
.uchip::before{content:"";width:28px;height:28px;border-radius:50%;flex:0 0 28px;
  background:linear-gradient(135deg,var(--gold),#c9870e);
  box-shadow:inset 0 0 0 2px rgba(255,255,255,.35)}
#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:scale(.96)}
.btn:disabled{opacity:.55;cursor:not-allowed;transform:none;filter:none}
/* visible focus: gold ring */
.btn:focus-visible,.iconbtn:focus-visible,.navbtn:focus-visible,.tabbtn:focus-visible,.qact:focus-visible,
.chip:focus-visible,.sec-card:focus-visible,.prow:focus-visible,.pbtn:focus-visible,
a:focus-visible,button:focus-visible{
  outline:2px solid var(--gold);outline-offset:2px}
.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:var(--gold-deep)}

/* ---------- 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 td.n,.tbl th.n{text-align:right;font-variant-numeric:tabular-nums;white-space:nowrap}
.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(--gold);box-shadow:0 0 0 3px rgba(245,166,35,.18)}
.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:var(--ok-bg);color:var(--ok-ink)}
.badge.low{background:var(--warn-bg);color:var(--gold-deep)}
.badge.warn{background:var(--warn-bg);color:var(--gold-deep)}
.badge.info{background:#e3eefb;color:#1b4fa0}
.badge.out{background:var(--dan-bg);color:var(--dan-ink)}
.badge.svc{background:#ece4f9;color:#5b2a86}
.badge.exp{background:var(--dan-bg);color:var(--dan-ink);font-weight:700}
.badge.rx{background:#f3e5f5;color:#6a1b9a;font-weight:700}
/* safety gates on the checkout sheet: prescription seen / expired override */
.gate{display:flex;gap:10px;align-items:flex-start;padding:10px 12px;border:2px solid #2e7d32;border-radius:10px;background:#f1f8e9;margin:10px 0;font-size:14px;line-height:1.4}
.gate input[type=checkbox]{width:20px;height:20px;margin-top:1px;flex:0 0 auto}
.gate.danger{border-color:#b3261e;background:#fdecea}
.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:var(--warn-bg);color:var(--gold-deep)}

/* ---------- 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)}

/* ---------- dashboard category bars ---------- */
.cbars{display:flex;flex-direction:column;gap:8px}
.cbar{display:grid;grid-template-columns:minmax(110px,160px) 1fr auto;gap:10px;align-items:center}
.cbar-l{font-size:13px;font-weight:600;color:var(--ink);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.cbar-t{background:#eef1f6;border-radius:999px;height:10px;overflow:hidden}
.cbar-t span{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--navy),var(--gold))}
.cbar-v{font-size:13px;font-weight:700;font-variant-numeric:tabular-nums;white-space:nowrap}

/* ---------- category filter chips (sell screen) ---------- */
.chips{display:flex;flex-wrap:wrap;gap:8px;margin:10px 2px}
.chip{border:1px solid #dfe4ee;background:#fff;border-radius:999px;padding:7px 14px;
  font-size:13px;font-weight:600;color:var(--ink);cursor:pointer;white-space:nowrap}
.chip.active{background:var(--navy);border-color:var(--navy);color:#fff}
.chip:active{transform:scale(.95)}
.chip:focus-visible{outline:2px solid var(--gold);outline-offset:2px}

/* ---------- section cards (sell screen): the 4 business lines ---------- */
.sec-cards{display:flex;gap:10px;margin:10px 2px;overflow-x:auto;padding:2px 2px 6px;-webkit-overflow-scrolling:touch}
.sec-card{flex:1 0 118px;min-width:118px;border:1px solid #dfe4ee;background:#fff;border-radius:14px;
  padding:12px 8px;cursor:pointer;text-align:center;font:inherit;color:var(--ink)}
.sec-card .se{font-size:26px;line-height:1;display:block}
.sec-card .sl{font-weight:700;font-size:14px;display:block;margin-top:6px}
.sec-card .sc{font-size:12px;color:var(--mut);display:block;margin-top:2px}
.sec-card.active{background:var(--navy);border-color:var(--navy);color:#fff;box-shadow:0 4px 14px rgba(27,42,74,.28)}
.sec-card.active .sc{color:#dbe4f3}
.sec-card:active{transform:scale(.96)}
.sec-card:focus-visible{outline:2px solid var(--gold);outline-offset:2px}
@media(min-width:901px){.sec-card{flex:1 1 0;min-width:0}}

/* ---------- 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:44px;height:44px;border-radius:10px;
  border:0;background:#f0f3f8;color:var(--mut);font-size:18px;cursor:pointer;line-height:1}
.mclose:hover{background:#e2e8f2;color:var(--ink)}
/* modal form controls: 16px+ to prevent iOS auto-zoom */
#modalRoot input,#modalRoot select,#modalRoot textarea{font-size:16px}
@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}
/* ---------- cart sheet (restyled v19): clear line cards ---------- */
.cartline{background:#f8fafd;border:1px solid var(--line);border-radius:14px;
  padding:12px;margin-bottom:10px;font-size:14px}
.cl-top{display:flex;justify-content:space-between;align-items:flex-start;gap:10px;margin-bottom:10px}
.cl-name{flex:1;min-width:0}
.cl-name>strong{display:block;font-size:15px;line-height:1.35}
.cl-name .mut{font-size:12.5px}
.cl-total{white-space:nowrap;font-size:16px}
.cl-ctl{display:flex;align-items:center;gap:10px}
.cl-ctl .rowbtns{display:flex;align-items:center;gap:8px}
.cl-ctl .iconbtn{width:44px;height:44px;font-size:19px;border-radius:12px}
.cl-qty{min-width:30px;text-align:center;font-weight:800;font-size:16px}
.discline{width:96px;min-height:44px;border:1px solid var(--line);border-radius:10px;
  padding:8px 10px;font-size:15px;background:#fff;color:var(--ink)}
.priceedit{width:100px;min-height:42px;border:1px solid var(--line);border-radius:10px;
  padding:6px 10px;font-size:15px;background:#fff;color:var(--ink);margin-top:4px}
.cl-ctl .iconbtn.danger{margin-left:auto}
.cl-serial{display:grid;gap:6px;margin-top:10px}
.cl-serial input{min-height:44px;border:1px solid var(--line);border-radius:10px;
  padding:10px 12px;font-size:16px;background:#fff;color:var(--ink);width:100%}
/* change-due status box (replaces the cramped Change/Insufficient row) */
.changebox{display:flex;justify-content:space-between;align-items:center;gap:8px;
  border:1px solid var(--line);background:#f8fafd;border-radius:12px;
  padding:12px 14px;margin-top:12px;font-size:15px}
.changebox strong{font-size:18px}
.changebox.ok{background:var(--ok-bg);border-color:#bfe6c9}
.changebox.ok strong{color:var(--ok-ink)}
.changebox.short{background:var(--warn-bg);border-color:#f0c79f}
.changebox.short strong{color:var(--gold-deep)}
/* quick-cash chips wrap in the sheet instead of scrolling */
#sell-quick{flex-wrap:wrap}
#sell-quick .btn{flex:1 1 auto;min-height:44px}

/* ---------- status banners inside views ---------- */
.statebox{border-radius:12px;padding:14px 16px;margin-bottom:12px;font-size:14px;
  border:1px solid var(--line);background:#f7f9fc}
.statebox.ok{background:var(--ok-bg);border-color:#a9ddba;color:var(--ok-ink)}
.statebox.err{background:var(--dan-bg);border-color:#f0b9b9;color:var(--dan-ink)}
.statebox.warn{background:var(--warn-bg);border-color:#f0d9a8;color:#5c3d05}

/* cart/receipt inner close: one large tap target at the familiar spot */
#sell-sheet .mclose{width:44px;height:44px;font-size:20px;border-radius:12px;top:8px;right:8px}
#sell-sheet h3{padding-right:52px}

/* ---------- sell product list view (v20): compact rows ---------- */
.grid.list{display:flex;flex-direction:column;gap:8px}
.prow{display:flex;align-items:center;gap:10px;width:100%;background:#fff;
  border:1px solid var(--line);border-radius:12px;padding:10px 12px;cursor:pointer;
  text-align:left;color:var(--ink);min-height:52px;font-size:14px}
.prow:hover{border-color:var(--navy)}
.prow:active{transform:scale(.99)}
.prow:disabled{opacity:.5;cursor:not-allowed}
.prow .pn{flex:1;min-width:0;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.prow .pp{font-weight:800;color:var(--navy);white-space:nowrap}
.prow .badge{flex:0 0 auto}
#sell-viewtoggle{flex:0 0 auto;width:46px;height:46px;font-size:20px;border-radius:12px}
#sell-foot{display:flex;flex-direction:column;gap:8px}

/* ---------- 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}
.rt{width:100%;border-collapse:collapse}
.rt td{padding:1px 0;vertical-align:top}
.rt td.r{text-align:right;white-space:nowrap;padding-left:8px}
.rsep{margin:6px 0;white-space:nowrap;overflow:hidden}
.rcpt .rl{border-top:1px dashed #888;margin:6px 0}
.rcpt hr{border:none;border-top:1px solid #111;margin:8px 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))}
  #bottomNav .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}
  #bottomNav .tabbtn .ic{font-size:21px;line-height:1}
  #bottomNav .tabbtn.active{color:var(--gold)}
  #bottomNav .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)}
  #bottomNav .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;row-gap:8px}
  .userbox{order:-1;flex:1 1 100%;justify-content:flex-end}
  #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{
  html,body{margin:0!important;padding:0!important;background:#fff!important}
  body>*{display:none!important}
  #printArea{display:block!important;margin:0!important;padding:0!important}
  .rcpt{box-shadow:none;margin:0 auto;-webkit-print-color-adjust:exact;print-color-adjust:exact}
  /* NOTE: @page size is injected per document by printHTML() in js/core.js —
     80mm for receipts/tags (exactly as previewed), A4 for invoices/quotations. */
}

/* ============================================================
   Premium UI upgrade (v6)
   Vanilla CSS only · light theme · navy #0b2a5b / gold #f5a623
   ============================================================ */

/* ---------- motion: view transitions ---------- */
.view-in{animation:viewin .22s ease}
@keyframes viewin{from{opacity:0;transform:translateY(10px)}}

/* ---------- skeleton shimmer placeholders ---------- */
.skelwrap{padding:4px}
.skel{background:linear-gradient(90deg,#e9edf4 25%,#f6f8fb 50%,#e9edf4 75%);
  background-size:200% 100%;animation:shimmer 1.2s linear infinite;border-radius:10px}
@keyframes shimmer{to{background-position:-200% 0}}

/* ---------- login redesign ---------- */
.login-card{position:relative;overflow:hidden;border-top:4px solid var(--gold);
  animation:viewin .3s ease}
.login-card::before{content:"";position:absolute;top:-80px;right:-80px;
  width:220px;height:220px;border-radius:50%;pointer-events:none;
  background:radial-gradient(circle,rgba(245,166,35,.28),transparent 70%)}
.login-card::after{content:"⚡";position:absolute;bottom:-34px;left:-10px;
  font-size:110px;opacity:.05;pointer-events:none;transform:rotate(-18deg)}
.login-boltwrap{text-align:center;margin:2px 0 8px}
.login-bolt{display:inline-flex;align-items:center;justify-content:center;
  width:64px;height:64px;border-radius:20px;font-size:34px;color:#fff;
  background:linear-gradient(135deg,var(--gold),#c9870e);
  box-shadow:0 8px 22px rgba(245,166,35,.45),inset 0 1px 0 rgba(255,255,255,.4)}
.login-title{margin:0;text-align:center;font-size:23px;font-weight:800;color:var(--navy);
  letter-spacing:-.01em}
.login-tag{text-align:center;color:var(--mut);font-size:13px;margin:4px 0 16px}
.login-card h2{font-size:17px}

/* ---------- dashboard: gradient KPI cards ---------- */
.kpi.grad.navy{background:linear-gradient(135deg,#0b2a5b,#1d4b8f);border:0;color:#fff}
.kpi.grad.gold{background:linear-gradient(135deg,#f5a623,#e07f00);border:0;color:#fff}
.kpi.grad.plum{background:linear-gradient(135deg,#7a5af5,#5b2a86);border:0;color:#fff}
.kpi.grad.teal{background:linear-gradient(135deg,#1e9e5a,#0e7a5f);border:0;color:#fff}
.kpi.grad .l{color:rgba(255,255,255,.85)}
.kpi.grad .v{color:#fff}
.kpi.grad .v.gold{color:#fff}
.kpi.grad .delta{color:rgba(255,255,255,.92)}
.delta{font-size:12px;font-weight:700;margin-top:6px;color:var(--mut)}
.delta.up{color:var(--ok-ink)}
.delta.down{color:var(--dan-ink)}
.qactions{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));
  gap:10px;margin-bottom:14px}
.qact{display:flex;align-items:center;gap:10px;background:#fff;border:1px solid var(--line);
  border-radius:var(--r);box-shadow:var(--shadow-sm);padding:10px 12px;min-height:52px;
  font-size:14px;font-weight:700;color:var(--navy);cursor:pointer;text-align:left}
.qact:hover{box-shadow:var(--shadow);border-color:var(--navy)}
.qact:active{transform:scale(.96)}
.qact .qi{font-size:19px}

/* ---------- topbar: shift chip ---------- */
.shchip{display:inline-flex;align-items:center;gap:7px;border:1px solid var(--line);
  background:#f7f9fc;padding:7px 13px;border-radius:999px;font-size:12.5px;
  font-weight:700;color:var(--mut);cursor:pointer;font-family:inherit}
.shchip:hover{border-color:var(--navy)}
.shchip:active{transform:scale(.96)}
.shchip .dot{width:9px;height:9px;border-radius:50%;background:#b7c0d1;flex:0 0 9px}
.shchip.open{color:var(--navy);border-color:#f0d9a8;background:#fdf6e6}
.shchip.open .dot{background:var(--gold);animation:pulse 2s infinite}
@keyframes pulse{
  0%{box-shadow:0 0 0 0 rgba(245,166,35,.4)}
  70%{box-shadow:0 0 0 7px rgba(245,166,35,0)}
  100%{box-shadow:0 0 0 0 rgba(245,166,35,0)}}

/* ---------- A4 invoice ---------- */
.invoice-a4{font-family:var(--font);color:#141414;max-width:760px;margin:0 auto;
  background:#fff;padding:8px;font-size:14px}
.inv-head{display:flex;justify-content:space-between;gap:16px;align-items:flex-start;
  border-bottom:3px solid var(--navy);padding-bottom:12px;margin-bottom:12px}
.inv-name{font-size:22px;font-weight:800;color:var(--navy)}
.inv-sub{font-size:12px;color:#555;margin-top:4px;line-height:1.6}
.inv-title{font-size:20px;font-weight:800;color:var(--navy);text-align:right;white-space:nowrap}
.inv-no{font-size:14px;color:#555;font-weight:600;margin-top:4px}
.inv-meta{font-size:13px;margin-bottom:12px;display:grid;gap:4px}
.inv-tbl{width:100%;border-collapse:collapse;font-size:13px}
.inv-tbl th{background:var(--navy);color:#fff;padding:8px 10px;text-align:left}
.inv-tbl td{padding:8px 10px;border-bottom:1px solid #e5e9f1;vertical-align:top}
.inv-tbl .right,.inv-tbl th.right{text-align:right}
.inv-totals{margin-left:auto;max-width:280px;margin-top:12px}
.inv-trow{display:flex;justify-content:space-between;gap:12px;padding:5px 0;font-size:13px}
.inv-trow.grand{font-size:17px;font-weight:800;color:var(--navy);
  border-top:2px solid var(--navy);margin-top:4px;padding-top:8px}
.inv-pay,.inv-notes{font-size:12.5px;margin-top:10px;color:#444}
.inv-foot{text-align:center;margin-top:24px;font-size:13px;color:var(--navy);
  font-weight:600;border-top:1px solid #e5e9f1;padding-top:12px}
@media print{
  .invoice-a4{max-width:none;padding:0}
}

/* ---------- empty states ---------- */
.empty .big{font-size:38px}
.empty b{font-size:15px;color:var(--ink)}

/* ---------- phone charging register ---------- */
.tagno{font-weight:800;font-size:19px;letter-spacing:1px;color:var(--navy);white-space:nowrap}
.checkline{display:flex;align-items:center;gap:8px;font-weight:600;cursor:pointer}
.checkline input{width:18px;height:18px;accent-color:var(--navy)}

/* ============================================================
   Mobile-first Sell screen (v16) — ≤900px only.
   Desktop (>900px) rendering is intentionally untouched:
   every rule below lives inside a max-width media query and
   only overrides classes used by the Sell screen / cart sheet.
   ============================================================ */
@media(max-width:900px){
  /* room for the floating checkout bar + bottom nav */
  #view{padding-bottom:calc(168px + env(safe-area-inset-bottom))}

  /* ----- problem #1: floating checkout bar, always above the bottom nav ----- */
  #sell-cartbar{display:none}
  #sell-cartbar.has-items{display:block;position:fixed;left:12px;right:12px;
    bottom:calc(78px + env(safe-area-inset-bottom));z-index:80;
    background:none;border:0;box-shadow:none;padding:0}
  #sell-cartbar.has-items .btn{min-height:56px;font-size:16px;font-weight:800;
    border-radius:16px;box-shadow:0 10px 26px rgba(11,42,91,.35)}

  /* ----- problem #2: big sticky search, first thing the thumb reaches ----- */
  .sell-searchbar{position:sticky;top:80px;z-index:54;margin:0 -12px 10px;
    padding:10px 12px;background:var(--bg);box-shadow:0 3px 12px rgba(11,42,91,.07)}
  .sell-searchbar .field{margin-bottom:0}
  .sell-searchbar input{min-height:48px;font-size:16px;border-radius:12px;
    padding-right:48px;border-width:1.5px}
  .qclear{position:absolute;right:10px;top:50%;transform:translateY(-50%);
    width:38px;height:38px;border-radius:50%;border:0;background:#e6ebf3;
    color:var(--mut);font-size:21px;line-height:1;cursor:pointer;
    display:flex;align-items:center;justify-content:center}
  .qclear:active{transform:translateY(-50%) scale(.92)}

  /* ----- problem #2: section cards become a compact icon+label strip ----- */
  .sec-cards{scroll-snap-type:x proximity;margin:8px -12px 4px;
    padding:4px 12px 8px;gap:8px}
  .sec-card{flex:0 0 auto;min-width:0;min-height:60px;padding:8px 14px;
    display:flex;align-items:center;gap:8px;scroll-snap-align:start}
  .sec-card .se{font-size:22px;display:inline}
  .sec-card .sl{font-size:13.5px;margin-top:0;display:inline;white-space:nowrap}
  .sec-card .sc{display:none}

  /* subcategory chips: single scrollable row */
  .chips{flex-wrap:nowrap;overflow-x:auto;margin:8px -12px;padding:4px 12px 8px;
    -webkit-overflow-scrolling:touch}
  .chip{flex:0 0 auto}

  /* ----- problem #4: cart sheet becomes a bottom sheet ----- */
  .overlay:has(#sell-sheet){align-items:flex-end;padding:0}
  .overlay:has(#sell-sheet) > .sheet{width:100%;max-width:100%;max-height:94vh;
    margin:0;border-radius:18px 18px 0 0;
    padding:14px 14px calc(14px + env(safe-area-inset-bottom));
    animation:sheetup .22s ease}
  @keyframes sheetup{from{transform:translateY(56px);opacity:.5}}
  #sell-sheet{background:none;box-shadow:none;border-radius:0;max-height:none;
    overflow:visible;padding:0;width:100%}

  /* (v19: cart lines restyled via .cl-top/.cl-ctl card layout — see base styles) */

  /* single sticky footer: checkout + quote stacked in normal flow — overlap impossible */
  #sell-totals{display:block;background:#fff;border:1px solid var(--line);border-radius:12px;
    padding:10px 12px;margin-top:10px}
  #sell-totals .ri{display:flex;justify-content:space-between;gap:8px;
    padding:3px 0;font-size:14px}
  #sell-foot{position:sticky;bottom:0;z-index:5;background:#fff;border:1px solid var(--line);
    border-radius:14px;padding:10px;margin-top:12px;
    display:flex;flex-direction:column;gap:8px;box-shadow:0 -6px 16px rgba(11,42,91,.10)}
  #sell-foot .btn{min-height:56px;font-size:16px;font-weight:800;border-radius:12px;margin-top:0}

  /* ----- problem #5: thumb-friendly checkout controls ----- */
  #sell-seg{display:flex;width:100%;margin:12px 0 4px}
  #sell-seg button{flex:1;min-height:52px;font-size:14px}
  #sell-tendered{min-height:52px;font-size:18px;font-weight:700}
  #sell-pay .field input{min-height:52px;font-size:16px}
  #sell-quick{flex-wrap:wrap;gap:8px;margin-top:8px}
  #sell-quick .btn{flex:1 1 auto;min-height:44px}
  #stk-send{min-height:52px;font-size:15px}
  #stk-status{font-size:14px}
}
/* problem #3: 2-column product grid with big tap targets on small phones */
@media(max-width:480px){
  .grid{grid-template-columns:repeat(2,1fr);gap:10px}
  .pbtn{min-height:96px;padding:12px 10px}
  .pbtn .pn{font-size:14px}
  .pbtn .pp{font-size:15.5px}
  .pbtn .ps{font-size:12px}
}

/* ================= cashier views mobile pass (?v=17) =================
   Stacked card rows replace sideways-scrolling tables; thumb-sized
   targets; no-zoom form inputs. Desktop selectors above are untouched. */
@media(max-width:900px){
  /* --- data tables become stacked cards --- */
  #view .tblwrap{border:0;background:none;overflow:visible;padding:0}
  #view .tbl{min-width:0;background:none}
  #view .tbl thead{display:none}
  #view .tbl, #view .tbl tbody{display:block}
  #view .tbl tr{display:flex;flex-wrap:wrap;gap:2px 12px;align-items:center;
    background:#fff;border:1px solid var(--line);border-radius:12px;
    padding:10px 12px;margin:0 0 8px;box-shadow:var(--shadow-sm)}
  #view .tbl td{display:block;border:0;padding:3px 0;font-size:14px}
  #view .tbl td.n, #view .tbl td.right{text-align:left}
  /* action cell -> full-width thumb-friendly button row */
  #view .tbl td:has(> .rowbtns), #view .tbl td:has(> .btn){flex:1 1 100%;margin-top:6px}
  #view .tbl .btn{min-height:44px;padding:10px 14px;font-size:14px}

  /* --- touch targets --- */
  #view .btn.sm{min-height:44px}
  #view .iconbtn{width:44px;height:44px}
  .pager .btn{min-height:44px}
  .checkline{min-height:44px;display:inline-flex;align-items:center;gap:8px;font-size:15px}

  /* --- forms: 16px inputs (no mobile zoom), roomy fields --- */
  #view .field input, #view .field select, #view .field textarea{font-size:16px;min-height:48px}

  /* --- dashboard: 2-col KPIs, roomy quick actions, compact bars --- */
  .kpi-grid{grid-template-columns:repeat(2,1fr);gap:10px}
  .kpi{padding:12px}
  .kpi .v{font-size:20px}
  .qactions{grid-template-columns:repeat(2,1fr)}
  .qact{min-height:56px}
  .cbar{grid-template-columns:minmax(84px,110px) 1fr auto;gap:8px}
  .cbar-l{font-size:12px}

  /* --- quotes filter controls --- */
  #q-search{flex:1;min-width:0;min-height:44px;font-size:16px}
  .qflt{min-height:44px;font-size:15px}
}

/* segmented option buttons (charging checkout pay method) */
.segbtns{display:flex;gap:8px}
.segbtns .btn{flex:1}