/* ============================================================
   DualPOS Pro — Material Design 3 + Glassmorphism theme
   ============================================================ */
:root{
  --primary:#4F46E5; --primary-2:#7C3AED; --on-primary:#fff;
  --bg:#F1F3FB; --surface:rgba(255,255,255,.72); --surface-solid:#fff;
  --text:#1B1B22; --text-2:#5B5F6E; --line:rgba(27,27,34,.09);
  --ok:#16A34A; --warn:#D97706; --err:#DC2626; --info:#0284C7;
  --radius:20px; --radius-s:12px;
  --shadow:0 8px 30px rgba(31,38,135,.12);
  --glass-border:1px solid rgba(255,255,255,.55);
  --nav-w:248px;
  font-size:16px;
}
[data-theme="dark"]{
  --bg:#0F1117; --surface:rgba(30,33,45,.66); --surface-solid:#1B1E2A;
  --text:#EDEEF4; --text-2:#9BA0B0; --line:rgba(255,255,255,.08);
  --glass-border:1px solid rgba(255,255,255,.08);
  --shadow:0 8px 30px rgba(0,0,0,.45);
}
*{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%}
body{
  font-family:'Segoe UI',Roboto,system-ui,-apple-system,sans-serif;
  background:var(--bg); color:var(--text);
  background-image:radial-gradient(1200px 500px at 110% -10%,rgba(124,58,237,.16),transparent),
                   radial-gradient(900px 420px at -10% 110%,rgba(79,70,229,.14),transparent);
  background-attachment:fixed;
  -webkit-tap-highlight-color:transparent;
}
button{font:inherit;cursor:pointer;border:none;background:none;color:inherit}
input,select,textarea{font:inherit;color:inherit}
img{max-width:100%}
[hidden]{display:none!important}

/* ---------- Splash ---------- */
#splash{position:fixed;inset:0;z-index:99;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,#4F46E5,#7C3AED);color:#fff}
.splash-inner{text-align:center;animation:pop .5s ease}
.splash-inner img{width:96px;height:96px;border-radius:24px;box-shadow:0 12px 40px rgba(0,0,0,.35)}
.splash-inner h1{margin-top:14px;font-weight:800;letter-spacing:.5px}
.splash-inner h1 span{font-weight:300;opacity:.85}
.splash-bar{width:160px;height:4px;border-radius:4px;background:rgba(255,255,255,.25);margin:18px auto 0;overflow:hidden}
.splash-bar div{width:40%;height:100%;background:#fff;border-radius:4px;animation:slide 1.1s infinite ease-in-out}
@keyframes slide{0%{transform:translateX(-100%)}100%{transform:translateX(360%)}}
@keyframes pop{from{transform:scale(.85);opacity:0}to{transform:scale(1);opacity:1}}
@keyframes fadeUp{from{transform:translateY(14px);opacity:0}to{transform:none;opacity:1}}

/* ---------- Layout ---------- */
#app{display:flex;min-height:100vh}
#sidenav{width:var(--nav-w);position:fixed;inset:0 auto 0 0;padding:16px 12px;overflow-y:auto;
  background:var(--surface);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  border-right:var(--glass-border);z-index:20}
#shell{flex:1;margin-left:var(--nav-w);display:flex;flex-direction:column;min-height:100vh}
#topbar{position:sticky;top:0;z-index:15;display:flex;align-items:center;gap:12px;padding:12px 20px;
  background:var(--surface);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);border-bottom:var(--glass-border)}
#view{flex:1;padding:20px;max-width:1400px;width:100%;margin:0 auto;animation:fadeUp .28s ease}
#bottomnav{display:none}

.brand{display:flex;align-items:center;gap:10px;padding:8px 10px 16px}
.brand img{width:42px;height:42px;border-radius:12px;object-fit:cover}
.brand b{font-size:1.02rem;display:block;line-height:1.15}
.brand small{color:var(--text-2)}
.nav-group{margin:10px 6px 4px;font-size:.72rem;font-weight:700;letter-spacing:.08em;color:var(--text-2);text-transform:uppercase}
.nav-item{display:flex;align-items:center;gap:12px;width:100%;padding:10px 12px;border-radius:14px;
  color:var(--text-2);font-weight:600;font-size:.92rem;transition:.18s;text-align:left}
.nav-item .ni{font-size:1.15rem;width:26px;text-align:center}
.nav-item:hover{background:rgba(79,70,229,.08);color:var(--text)}
.nav-item.active{background:linear-gradient(135deg,var(--primary),var(--primary-2));color:#fff;box-shadow:0 6px 18px rgba(79,70,229,.35)}

.topbar-title{font-weight:800;font-size:1.05rem;flex:1}
.chip{display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:99px;font-size:.78rem;font-weight:700;
  background:rgba(79,70,229,.1);color:var(--primary)}
[data-theme="dark"] .chip{color:#A5B4FC}
.chip.ok{background:rgba(22,163,74,.12);color:var(--ok)} .chip.warn{background:rgba(217,119,6,.14);color:var(--warn)}
.chip.err{background:rgba(220,38,38,.12);color:var(--err)}
.icon-btn{width:40px;height:40px;border-radius:12px;display:inline-flex;align-items:center;justify-content:center;
  font-size:1.1rem;background:var(--surface-solid);border:1px solid var(--line);transition:.15s}
.icon-btn:hover{transform:translateY(-1px);box-shadow:var(--shadow)}

/* ---------- Cards & tiles ---------- */
.card{background:var(--surface);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  border:var(--glass-border);border-radius:var(--radius);box-shadow:var(--shadow);padding:18px}
.grid{display:grid;gap:16px}
.grid.c2{grid-template-columns:repeat(2,1fr)} .grid.c3{grid-template-columns:repeat(3,1fr)} .grid.c4{grid-template-columns:repeat(4,1fr)}
.stat{display:flex;gap:14px;align-items:center}
.stat .si{width:52px;height:52px;border-radius:16px;display:flex;align-items:center;justify-content:center;font-size:1.5rem;color:#fff}
.stat b{font-size:1.25rem;display:block} .stat small{color:var(--text-2);font-weight:600}
.g-indigo{background:linear-gradient(135deg,#4F46E5,#818CF8)} .g-violet{background:linear-gradient(135deg,#7C3AED,#C084FC)}
.g-green{background:linear-gradient(135deg,#059669,#34D399)} .g-amber{background:linear-gradient(135deg,#D97706,#FBBF24)}
.g-red{background:linear-gradient(135deg,#DC2626,#F87171)} .g-blue{background:linear-gradient(135deg,#0284C7,#38BDF8)}
.tile{display:flex;flex-direction:column;align-items:center;gap:8px;padding:18px 8px;border-radius:var(--radius);
  background:var(--surface);border:var(--glass-border);box-shadow:var(--shadow);font-weight:700;font-size:.85rem;transition:.15s}
.tile:hover{transform:translateY(-3px)}
.tile .ti{width:54px;height:54px;border-radius:16px;display:flex;align-items:center;justify-content:center;font-size:1.6rem;color:#fff}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:11px 20px;border-radius:14px;
  font-weight:700;font-size:.92rem;transition:.15s;border:1px solid transparent}
.btn.primary{background:linear-gradient(135deg,var(--primary),var(--primary-2));color:#fff;box-shadow:0 6px 18px rgba(79,70,229,.35)}
.btn.primary:hover{transform:translateY(-1px)}
.btn.ghost{border-color:var(--line);background:var(--surface-solid)}
.btn.danger{background:var(--err);color:#fff}
.btn.ok{background:var(--ok);color:#fff}
.btn.sm{padding:7px 12px;font-size:.8rem;border-radius:10px}
.btn:disabled{opacity:.5;cursor:not-allowed}

/* ---------- Forms ---------- */
.field{margin-bottom:14px}
.field label{display:block;font-size:.8rem;font-weight:700;color:var(--text-2);margin-bottom:6px}
.field input,.field select,.field textarea{width:100%;padding:11px 14px;border-radius:12px;border:1px solid var(--line);
  background:var(--surface-solid);outline:none;transition:.15s}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(79,70,229,.15)}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 14px}
.form-grid .full{grid-column:1/-1}

/* ---------- Tables ---------- */
.table-wrap{overflow-x:auto;border-radius:var(--radius-s)}
table.dt{width:100%;border-collapse:collapse;font-size:.88rem}
table.dt th{padding:10px 12px;text-align:left;font-size:.72rem;text-transform:uppercase;letter-spacing:.05em;color:var(--text-2);border-bottom:1px solid var(--line)}
table.dt td{padding:11px 12px;border-bottom:1px solid var(--line)}
table.dt tr:hover td{background:rgba(79,70,229,.05)}
.num{text-align:right;font-variant-numeric:tabular-nums}
.pos-badge{padding:3px 10px;border-radius:99px;font-size:.72rem;font-weight:700}

/* ---------- POS ---------- */
.pos-layout{display:grid;grid-template-columns:1.6fr 1fr;gap:16px;align-items:start}
.pos-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(132px,1fr));gap:12px}
.pos-item{background:var(--surface);border:var(--glass-border);border-radius:16px;padding:10px;text-align:center;
  box-shadow:var(--shadow);transition:.15s;display:flex;flex-direction:column;gap:6px}
.pos-item:hover{transform:translateY(-2px)}
.pos-item .pi{height:64px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:1.7rem;
  background:rgba(79,70,229,.1);overflow:hidden}
.pos-item .pi img{width:100%;height:100%;object-fit:cover;border-radius:12px}
.pos-item b{font-size:.8rem;line-height:1.2} .pos-item small{color:var(--primary);font-weight:800}
.cart-line{display:flex;align-items:center;gap:8px;padding:9px 0;border-bottom:1px dashed var(--line);font-size:.86rem}
.cart-line b{flex:1}
.qty-ctl{display:inline-flex;align-items:center;gap:2px}
.qty-ctl button{width:26px;height:26px;border-radius:8px;background:rgba(79,70,229,.1);font-weight:800;color:var(--primary)}
.qty-ctl input{width:44px;text-align:center;border:1px solid var(--line);border-radius:8px;padding:3px;background:var(--surface-solid)}
.total-row{display:flex;justify-content:space-between;padding:5px 0;font-size:.9rem}
.total-row.grand{font-size:1.25rem;font-weight:800;color:var(--primary);border-top:2px solid var(--line);padding-top:10px;margin-top:6px}
.pay-methods{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin:10px 0}
.pay-methods button{padding:10px 4px;border-radius:12px;border:1.5px solid var(--line);font-weight:700;font-size:.78rem;background:var(--surface-solid)}
.pay-methods button.sel{border-color:var(--primary);background:rgba(79,70,229,.1);color:var(--primary)}
.cash-quick{display:flex;gap:8px;flex-wrap:wrap;margin:8px 0}

/* ---------- Chart bars ---------- */
.bars{display:flex;align-items:flex-end;gap:8px;height:140px;padding-top:8px}
.bars .bar{flex:1;display:flex;flex-direction:column;align-items:center;gap:6px;font-size:.68rem;color:var(--text-2)}
.bars .bar i{width:100%;border-radius:8px 8px 4px 4px;background:linear-gradient(180deg,var(--primary-2),var(--primary));min-height:3px;transition:.3s}

/* ---------- Modal & toast ---------- */
#overlay{position:fixed;inset:0;z-index:50;background:rgba(15,17,23,.45);backdrop-filter:blur(6px);
  display:flex;align-items:center;justify-content:center;padding:16px}
#modal{width:min(680px,100%);max-height:92vh;display:flex;flex-direction:column;background:var(--surface-solid);
  border-radius:var(--radius);box-shadow:var(--shadow);animation:pop .22s ease;border:var(--glass-border)}
#modal-head{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;border-bottom:1px solid var(--line)}
#modal-body{padding:20px;overflow-y:auto}
#modal-foot{display:flex;justify-content:flex-end;gap:10px;padding:14px 20px;border-top:1px solid var(--line)}
#toast-wrap{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);z-index:80;display:flex;flex-direction:column;gap:8px}
.toast{padding:12px 22px;border-radius:14px;background:#1B1E2A;color:#fff;font-weight:600;font-size:.88rem;
  box-shadow:var(--shadow);animation:fadeUp .25s ease}
.toast.ok{background:var(--ok)} .toast.err{background:var(--err)}

/* ---------- Gate (setup / login / activation) ---------- */
#gate{position:fixed;inset:0;z-index:40;overflow-y:auto;display:flex;align-items:center;justify-content:center;padding:20px;
  background:var(--bg);background-image:radial-gradient(900px 400px at 100% 0,rgba(124,58,237,.2),transparent)}
.gate-card{width:min(560px,100%);animation:fadeUp .3s ease}
.gate-logo{text-align:center;margin-bottom:18px}
.gate-logo img{width:74px;height:74px;border-radius:20px;box-shadow:var(--shadow)}
.pinpad{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;max-width:280px;margin:14px auto 0}
.pinpad button{padding:16px;border-radius:16px;font-size:1.2rem;font-weight:800;background:var(--surface-solid);border:1px solid var(--line)}
.pin-dots{display:flex;gap:10px;justify-content:center;margin:10px 0}
.pin-dots i{width:14px;height:14px;border-radius:50%;background:var(--line)}
.pin-dots i.on{background:var(--primary)}
.wizard-steps{display:flex;gap:6px;margin-bottom:18px}
.wizard-steps i{flex:1;height:5px;border-radius:5px;background:var(--line)}
.wizard-steps i.on{background:linear-gradient(90deg,var(--primary),var(--primary-2))}

/* ---------- Responsive ---------- */
@media(max-width:1100px){.grid.c4{grid-template-columns:repeat(2,1fr)}.grid.c3{grid-template-columns:repeat(2,1fr)}}
@media(max-width:860px){
  #sidenav{display:none}
  #shell{margin-left:0}
  #view{padding:14px;padding-bottom:86px}
  #bottomnav{display:flex;position:fixed;bottom:0;left:0;right:0;z-index:30;justify-content:space-around;
    padding:8px 4px calc(8px + env(safe-area-inset-bottom));background:var(--surface);backdrop-filter:blur(18px);
    -webkit-backdrop-filter:blur(18px);border-top:var(--glass-border)}
  .bn-item{display:flex;flex-direction:column;align-items:center;gap:2px;font-size:.66rem;font-weight:700;color:var(--text-2);padding:4px 10px;border-radius:12px}
  .bn-item .ni{font-size:1.25rem}
  .bn-item.active{color:var(--primary)}
  .pos-layout{grid-template-columns:1fr}
  .grid.c2{grid-template-columns:1fr}.grid.c4{grid-template-columns:repeat(2,1fr)}
  .form-grid{grid-template-columns:1fr}
}
@media(max-width:560px){.grid.c4{grid-template-columns:repeat(2,1fr)}.grid.c3{grid-template-columns:1fr}}

/* Drawer (mobile full menu) */
#drawer{position:fixed;inset:0;z-index:45;background:rgba(15,17,23,.45)}
#drawer .dr-panel{position:absolute;bottom:0;left:0;right:0;max-height:78vh;overflow-y:auto;border-radius:24px 24px 0 0;
  background:var(--surface-solid);padding:18px;animation:fadeUp .25s ease}
.dr-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}

/* ---------- Print ---------- */
@media print{body *{visibility:hidden}#print-root,#print-root *{visibility:visible}#print-root{position:absolute;inset:0}}