:root{
  --bg:#0b1020; --bg2:#0f172a; --surface:#151c30; --surface2:#1c2540;
  --border:#26304d; --text:#e8edf7; --muted:#93a0bd; --muted2:#6b7796;
  --primary:#6366f1; --primary2:#818cf8; --primary-d:#4f46e5;
  --accent:#fbbf24; --green:#22c55e; --red:#ef4444; --blue:#38bdf8;
  --radius:16px; --radius-sm:10px; --shadow:0 10px 30px rgba(0,0,0,.35);
  --font:'Plus Jakarta Sans',system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%}
body{font-family:var(--font);background:
  radial-gradient(1200px 600px at 80% -10%,rgba(99,102,241,.18),transparent 60%),
  radial-gradient(900px 500px at -10% 10%,rgba(56,189,248,.12),transparent 55%),
  var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;line-height:1.45}
.hidden{display:none!important}
a{color:inherit;text-decoration:none;cursor:pointer}
button{font-family:inherit;cursor:pointer;border:none}
input,select,textarea{font-family:inherit;font-size:14px}

/* ---------- LOGIN ---------- */
.login-wrap{min-height:100dvh;display:grid;place-items:center;padding:20px}
.login-card{width:100%;max-width:400px;background:linear-gradient(180deg,var(--surface),var(--bg2));
  border:1px solid var(--border);border-radius:24px;padding:34px 30px;box-shadow:var(--shadow)}
.brand-big{display:flex;align-items:center;gap:14px;margin-bottom:26px}
.brand-big .logo{width:54px;height:54px;display:grid;place-items:center;font-size:28px;border-radius:16px;
  background:linear-gradient(135deg,var(--primary),var(--blue));box-shadow:0 8px 20px rgba(99,102,241,.5)}
.brand-big h1{font-size:24px;font-weight:800;letter-spacing:-.5px}
.brand-big p{color:var(--muted);font-size:13px}
#loginForm label{display:block;font-size:12px;color:var(--muted);margin:14px 0 6px;font-weight:600}
#loginForm input{width:100%;padding:13px 14px;background:var(--bg);border:1px solid var(--border);
  border-radius:var(--radius-sm);color:var(--text);outline:none;transition:.15s}
#loginForm input:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(99,102,241,.2)}
.btn-primary{width:100%;margin-top:22px;padding:13px;border-radius:var(--radius-sm);font-weight:700;color:#fff;
  background:linear-gradient(135deg,var(--primary),var(--primary-d));transition:.15s;font-size:15px}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-1px)}
.btn-primary:active{transform:translateY(0)}
.form-error{color:var(--red);font-size:13px;margin-top:12px;min-height:18px;text-align:center}
.login-hint{margin-top:18px;text-align:center;font-size:12px;color:var(--muted2)}

/* ---------- SHELL ---------- */
.app-shell{display:grid;grid-template-columns:248px 1fr;min-height:100dvh}
.sidebar{background:linear-gradient(180deg,var(--bg2),var(--bg));border-right:1px solid var(--border);
  padding:22px 16px;display:flex;flex-direction:column;position:sticky;top:0;height:100dvh}
.brand{display:flex;align-items:center;gap:10px;padding:4px 8px 22px;font-weight:800;font-size:19px}
.brand .logo{width:36px;height:36px;display:grid;place-items:center;font-size:20px;border-radius:11px;
  background:linear-gradient(135deg,var(--primary),var(--blue))}
.nav{display:flex;flex-direction:column;gap:4px;flex:1}
.nav-item{display:flex;align-items:center;gap:12px;padding:11px 14px;border-radius:var(--radius-sm);
  color:var(--muted);font-weight:600;font-size:14px;transition:.15s}
.nav-item .ic{width:20px;text-align:center;font-size:15px}
.nav-item:hover{background:var(--surface);color:var(--text)}
.nav-item.active{background:linear-gradient(135deg,rgba(99,102,241,.25),rgba(56,189,248,.12));
  color:#fff;box-shadow:inset 0 0 0 1px rgba(99,102,241,.35)}
.sidebar-foot{border-top:1px solid var(--border);padding-top:14px;display:flex;flex-direction:column;gap:10px}
.user-box{display:flex;align-items:center;gap:10px}
.avatar{width:38px;height:38px;border-radius:11px;display:grid;place-items:center;font-weight:700;color:#fff;
  background:linear-gradient(135deg,var(--accent),#f97316)}
.user-name{font-weight:700;font-size:14px}
.user-role{font-size:11px;color:var(--muted);text-transform:capitalize}
.btn-ghost-sm{padding:8px;border-radius:var(--radius-sm);background:var(--surface);color:var(--muted);
  font-weight:600;font-size:13px;border:1px solid var(--border)}
.btn-ghost-sm:hover{color:var(--red);border-color:var(--red)}

.main{display:flex;flex-direction:column;min-width:0}
.topbar{display:flex;align-items:center;gap:14px;padding:16px 24px;border-bottom:1px solid var(--border);
  position:sticky;top:0;background:rgba(11,16,32,.8);backdrop-filter:blur(12px);z-index:20}
.topbar h2{font-size:18px;font-weight:700;flex:1}
.topbar-user{color:var(--muted);font-size:13px;font-weight:600}
.icon-btn{display:none;background:var(--surface);border:1px solid var(--border);color:var(--text);
  width:38px;height:38px;border-radius:10px;font-size:18px}
.view{padding:24px;flex:1}

/* ---------- COMPONENTS ---------- */
.cards-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:16px;margin-bottom:24px}
.stat{background:linear-gradient(160deg,var(--surface),var(--bg2));border:1px solid var(--border);
  border-radius:var(--radius);padding:18px 20px;position:relative;overflow:hidden}
.stat .label{color:var(--muted);font-size:12px;font-weight:600;text-transform:uppercase;letter-spacing:.4px}
.stat .value{font-size:26px;font-weight:800;margin-top:8px;letter-spacing:-.5px}
.stat .sub{font-size:12px;color:var(--muted);margin-top:4px}
.stat .tag{position:absolute;top:16px;right:16px;font-size:18px;opacity:.45}
.stat.warn{border-color:rgba(239,68,68,.4)}
.stat.warn .value{color:var(--red)}
.stat.ok .value{color:var(--green)}

.panel{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:20px;margin-bottom:20px}
.panel-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:16px;flex-wrap:wrap}
.panel-head h3{font-size:16px;font-weight:700}
.panel-head .sub{font-size:12px;color:var(--muted)}

.btn{padding:10px 16px;border-radius:var(--radius-sm);font-weight:600;font-size:14px;background:var(--surface2);
  color:var(--text);border:1px solid var(--border);transition:.15s;display:inline-flex;align-items:center;gap:7px}
.btn:hover{border-color:var(--primary);color:#fff}
.btn.primary{background:linear-gradient(135deg,var(--primary),var(--primary-d));border:none;color:#fff}
.btn.primary:hover{filter:brightness(1.08)}
.btn.green{background:linear-gradient(135deg,var(--green),#16a34a);border:none;color:#fff}
.btn.danger{color:var(--red);border-color:rgba(239,68,68,.4)}
.btn.danger:hover{background:rgba(239,68,68,.12)}
.btn.sm{padding:7px 11px;font-size:13px}
.btn-row{display:flex;gap:10px;flex-wrap:wrap}

.toolbar{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin-bottom:16px}
.search{flex:1;min-width:200px;position:relative}
.search input{width:100%;padding:11px 14px 11px 38px;background:var(--surface);border:1px solid var(--border);
  border-radius:var(--radius-sm);color:var(--text);outline:none}
.search input:focus{border-color:var(--primary)}
.search::before{content:"⌕";position:absolute;left:13px;top:50%;transform:translateY(-50%);color:var(--muted);font-size:17px}
select.input,input.input,textarea.input{padding:11px 12px;background:var(--surface);border:1px solid var(--border);
  border-radius:var(--radius-sm);color:var(--text);outline:none}
select.input:focus,input.input:focus,textarea.input:focus{border-color:var(--primary)}

.table-wrap{overflow-x:auto;border:1px solid var(--border);border-radius:var(--radius)}
table{width:100%;border-collapse:collapse;font-size:14px;min-width:560px}
th{text-align:left;padding:12px 14px;color:var(--muted);font-size:11px;text-transform:uppercase;letter-spacing:.5px;
  font-weight:700;background:var(--bg2);border-bottom:1px solid var(--border);white-space:nowrap}
td{padding:12px 14px;border-bottom:1px solid var(--border);vertical-align:middle}
tr:last-child td{border-bottom:none}
tbody tr:hover{background:var(--surface2)}
.num{text-align:right;font-variant-numeric:tabular-nums}
.muted{color:var(--muted)}
.nowrap{white-space:nowrap}

.badge{display:inline-block;padding:3px 9px;border-radius:999px;font-size:11px;font-weight:700;text-transform:capitalize}
.badge.paid{background:rgba(34,197,94,.18);color:#4ade80}
.badge.pending{background:rgba(251,191,36,.18);color:#fbbf24}
.badge.cancelled{background:rgba(239,68,68,.18);color:#f87171}
.badge.low{background:rgba(239,68,68,.18);color:#f87171}
.badge.rarity{background:rgba(56,189,248,.15);color:#7dd3fc}
.badge.cond{background:rgba(148,163,184,.18);color:#cbd5e1}
.badge.cen-good{background:rgba(34,197,94,.18);color:#4ade80}
.badge.cen-bad{background:rgba(239,68,68,.18);color:#f87171}
.badge.cen-mid{background:rgba(251,191,36,.18);color:#fbbf24}

.pagination{display:flex;gap:8px;align-items:center;justify-content:center;margin-top:18px;flex-wrap:wrap}
.pagination button{min-width:38px;padding:8px 12px;border-radius:9px;background:var(--surface);
  border:1px solid var(--border);color:var(--text);font-weight:600}
.pagination button:disabled{opacity:.4;cursor:default}
.pagination .pg-info{color:var(--muted);font-size:13px;padding:0 6px}

.empty{text-align:center;padding:48px 20px;color:var(--muted)}
.empty .big{font-size:40px;margin-bottom:10px;opacity:.5}
.skel{height:90px;border-radius:var(--radius);background:linear-gradient(90deg,var(--surface),var(--surface2),var(--surface));
  background-size:200% 100%;animation:sh 1.2s infinite}
@keyframes sh{0%{background-position:200% 0}100%{background-position:-200% 0}}

/* charts */
.bars{display:flex;align-items:flex-end;gap:10px;height:160px;padding-top:10px}
.bars .bar{flex:1;display:flex;flex-direction:column;align-items:center;gap:6px;justify-content:flex-end;height:100%}
.bars .bar .fill{width:100%;max-width:46px;border-radius:8px 8px 0 0;
  background:linear-gradient(180deg,var(--primary2),var(--primary));transition:.4s;min-height:4px}
.bars .bar .cap{font-size:10px;color:var(--muted)}
.bars .bar .val{font-size:10px;color:var(--text);font-weight:700}

/* forms / modal */
.modal-host{position:fixed;inset:0;background:rgba(2,6,18,.7);backdrop-filter:blur(4px);z-index:100;
  display:grid;place-items:center;padding:16px;overflow-y:auto}
.modal{width:100%;max-width:540px;background:var(--surface);border:1px solid var(--border);border-radius:20px;
  box-shadow:var(--shadow);max-height:92dvh;overflow-y:auto;animation:pop .18s ease}
@keyframes pop{from{transform:scale(.96);opacity:0}to{transform:scale(1);opacity:1}}
.modal-head{display:flex;align-items:center;justify-content:space-between;padding:18px 22px;border-bottom:1px solid var(--border);
  position:sticky;top:0;background:var(--surface);z-index:2}
.modal-head h3{font-size:17px;font-weight:700}
.modal-body{padding:22px}
.modal-foot{padding:16px 22px;border-top:1px solid var(--border);display:flex;gap:10px;justify-content:flex-end;
  position:sticky;bottom:0;background:var(--surface)}
.close-x{background:none;color:var(--muted);font-size:22px;width:34px;height:34px;border-radius:8px}
.close-x:hover{background:var(--surface2);color:#fff}
.field{margin-bottom:14px}
.field label{display:block;font-size:12px;color:var(--muted);font-weight:600;margin-bottom:6px}
.field input,.field select,.field textarea{width:100%;padding:11px 13px;background:var(--bg);border:1px solid var(--border);
  border-radius:var(--radius-sm);color:var(--text);outline:none}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--primary)}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.grid3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:14px}

/* POS */
.pos{display:grid;grid-template-columns:1.4fr 1fr;gap:20px;align-items:start}
.cart-item{display:flex;align-items:center;gap:10px;padding:10px 0;border-bottom:1px solid var(--border)}
.cart-item .ci-name{flex:1;font-weight:600;font-size:14px}
.cart-item .ci-name small{display:block;color:var(--muted);font-weight:400}
.qty{display:flex;align-items:center;gap:6px}
.qty button{width:28px;height:28px;border-radius:8px;background:var(--surface2);border:1px solid var(--border);color:var(--text);font-weight:700}
.qty input{width:46px;text-align:center;padding:6px;background:var(--bg);border:1px solid var(--border);border-radius:8px;color:var(--text)}
.summary-row{display:flex;justify-content:space-between;padding:7px 0;font-size:14px}
.summary-row.total{font-size:20px;font-weight:800;border-top:1px solid var(--border);margin-top:8px;padding-top:14px}
.prod-pick{max-height:420px;overflow-y:auto;display:flex;flex-direction:column;gap:8px}
.pick-item{display:flex;align-items:center;gap:12px;padding:10px 12px;border:1px solid var(--border);border-radius:12px;
  background:var(--bg2);cursor:pointer;transition:.12s}
.pick-item:hover{border-color:var(--primary);transform:translateX(2px)}
.pick-item .pi-meta{flex:1}
.pick-item .pi-meta b{font-size:14px}
.pick-item .pi-meta small{display:block;color:var(--muted)}
.pick-item .pi-price{font-weight:700;color:var(--primary2)}
.pick-item.out{opacity:.45;pointer-events:none}

/* imports */
.set-list{display:flex;flex-direction:column;gap:6px;max-height:520px;overflow-y:auto;padding-right:4px}
.set-row{display:flex;align-items:center;gap:12px;padding:10px 12px;border:1px solid var(--border);border-radius:10px;background:var(--bg2)}
.set-row:hover{border-color:var(--primary)}
.set-row input{width:18px;height:18px;accent-color:var(--primary)}
.set-row .sr-name{flex:1}
.set-row .sr-name b{font-size:14px}
.set-row .sr-name small{display:block;color:var(--muted)}
.chip{font-size:11px;padding:2px 8px;border-radius:999px;background:var(--surface2);color:var(--muted)}
.chip.done{background:rgba(34,197,94,.15);color:#4ade80}

.toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%) translateY(20px);background:var(--surface2);
  color:#fff;padding:13px 20px;border-radius:12px;border:1px solid var(--border);box-shadow:var(--shadow);z-index:200;
  font-weight:600;font-size:14px;opacity:0;transition:.25s;max-width:90vw}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}
.toast.err{border-color:var(--red)}
.toast.ok{border-color:var(--green)}

.bottom-nav{display:none}

/* product cards (mobile) */
.prod-cards{display:flex;flex-direction:column;gap:10px}
.pcard{background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:14px}
.pcard.inactive{opacity:.6}
.pcard-row{display:flex;align-items:flex-start;justify-content:space-between;gap:12px}
.pcard-name b{font-size:15px}
.pcard-name .muted{font-size:12px;margin-top:2px}
.pcard-stock{flex-shrink:0;text-align:center;min-width:46px;background:var(--surface2);border-radius:10px;padding:6px 4px}
.pcard-stock b{font-size:18px;display:block;line-height:1}
.pcard-stock small{font-size:10px;color:var(--muted)}
.pcard-stock.low{background:rgba(239,68,68,.15)}
.pcard-stock.low b{color:#f87171}
.pcard-badges{display:flex;flex-wrap:wrap;gap:6px;margin:10px 0}
.pcard-badges:empty{display:none}
.pcard-foot{align-items:center;border-top:1px solid var(--border);padding-top:10px;margin-top:2px}
.pcard-price{display:flex;flex-direction:column}
.pcard-price b{font-size:16px;color:var(--primary2)}
.pcard-price small{font-size:11px}
.pcard-act{display:flex;gap:8px;flex-shrink:0}

/* ---------- RESPONSIVE ---------- */
@media(max-width:900px){
  .pos{grid-template-columns:1fr}
}
@media(max-width:768px){
  .app-shell{grid-template-columns:1fr}
  .sidebar{position:fixed;left:0;top:0;z-index:60;width:260px;transform:translateX(-105%);transition:.25s;box-shadow:var(--shadow)}
  .sidebar.open{transform:translateX(0)}
  .icon-btn{display:grid;place-items:center}
  .view{padding:16px 14px 96px}
  .topbar{padding:14px 16px}
  .grid3{grid-template-columns:1fr}
  .bottom-nav{display:flex;position:fixed;bottom:0;left:0;right:0;z-index:50;background:rgba(15,23,42,.96);
    backdrop-filter:blur(12px);border-top:1px solid var(--border);padding:8px 8px calc(8px + env(safe-area-inset-bottom));
    justify-content:space-around;align-items:center}
  .bn-item{display:flex;flex-direction:column;align-items:center;gap:2px;color:var(--muted);font-size:18px;padding:4px 10px;border-radius:10px}
  .bn-item b{font-size:10px;font-weight:600}
  .bn-item.active{color:var(--primary2)}
  .bn-fab{background:linear-gradient(135deg,var(--primary),var(--primary-d));color:#fff;width:52px;height:52px;
    border-radius:50%;justify-content:center;margin-top:-22px;box-shadow:0 8px 20px rgba(99,102,241,.5);font-size:26px}
  .bn-fab b{display:none}
}
.backdrop{position:fixed;inset:0;background:rgba(0,0,0,.5);z-index:55}