:root{
  /* Simple light theme palette */
  --bg:#f3f4f6;
  --card:#ffffff;

  --muted:#6b7280;
  --text:#111827;

  --line:rgba(15,23,42,.10);

  --brand:#2563eb;    /* primary */
  --brand2:#10b981;   /* accent */

  --danger:#ef4444;
  --warning:#f59e0b;

  --shadow:0 10px 24px rgba(15,23,42,.10);
  --radius:18px;
}

*{box-sizing:border-box}

html,body{height:100%}

body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji","Segoe UI Emoji";
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}

a{color:inherit}

.container{
  max-width:980px;
  margin:0 auto;
  padding:14px 14px 90px;
}

.topbar{
  position:sticky;
  top:0;
  z-index:20;
  backdrop-filter:blur(10px);
  background:rgba(243,244,246,.96);
  border-bottom:1px solid var(--line);
}

.topbar-inner{
  max-width:980px;
  margin:0 auto;
  padding:12px 14px;
  display:flex;
  gap:10px;
  align-items:center;
}

.title{font-weight:800;font-size:16px}

.badge{
  font-size:12px;
  padding:4px 10px;
  border:1px solid var(--line);
  border-radius:999px;
  color:var(--muted);
  background:#ffffff;
}

.spacer{flex:1}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:10px 14px;
  border-radius:14px;
  border:1px solid var(--line);
  background:#ffffff;
  color:var(--text);
  text-decoration:none;
  touch-action:manipulation;
  cursor:pointer;
}

.btn:active{transform:translateY(1px)}

.btn.primary{
  background:var(--brand);
  border-color:var(--brand);
  color:#ffffff;
}

.btn.danger{
  background:rgba(239,68,68,.08);
  border-color:rgba(239,68,68,.4);
  color:#b91c1c;
}

.btn.ghost{
  background:transparent;
  border-color:transparent;
  color:var(--muted);
}

.btn.small{
  padding:8px 10px;
  border-radius:12px;
  font-size:13px;
}

.card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  padding:14px;
}

.card + .card{margin-top:12px}

.grid{display:grid;gap:12px}

.grid.two{grid-template-columns:1fr}

@media(min-width:860px){
  .grid.two{grid-template-columns:1fr 1fr}
}

.field{
  display:flex;
  flex-direction:column;
  gap:6px;
  margin-bottom:12px;
}

label{
  font-size:12px;
  color:var(--muted);
}

input,
select,
textarea{
  width:100%;
  border-radius:14px;
  border:1px solid var(--line);
  background:#ffffff;
  color:var(--text);
  padding:11px 12px;
  font-size:15px;
  outline:none;
}

input:focus,
select:focus,
textarea:focus{
  border-color:var(--brand);
  box-shadow:0 0 0 1px rgba(37,99,235,.15);
}

textarea{min-height:90px;resize:vertical}

.helper{
  font-size:12px;
  color:var(--muted);
}

.row{
  display:flex;
  gap:10px;
  align-items:center;
  flex-wrap:wrap;
}

.table{
  width:100%;
  border-collapse:collapse;
}

.table th,
.table td{
  padding:10px 8px;
  border-bottom:1px solid var(--line);
  font-size:13px;
  text-align:left;
  vertical-align:top;
}

.table th{
  color:var(--muted);
  font-weight:700;
}

.kpi{
  display:flex;
  flex-direction:column;
  gap:4px;
}

.kpi .n{
  font-size:24px;
  font-weight:900;
}

.kpi .l{
  font-size:12px;
  color:var(--muted);
}

.list{
  display:flex;
  flex-direction:column;
  gap:10px;
}

.item{
  display:grid;
  grid-template-columns:54px 1fr;
  gap:12px;
  align-items:center;
  border:1px solid var(--line);
  border-radius:16px;
  padding:10px;
  background:#f9fafb;
}

.thumb{
  width:54px;
  height:54px;
  border-radius:14px;
  overflow:hidden;
  border:1px solid var(--line);
  background:#e5e7eb;
}

.thumb img{
  width:100%;
  height:100%;
  object-fit:cover;
}

.meta{
  display:flex;
  flex-direction:column;
  gap:2px;
}

.meta .name{font-weight:800}

.meta .sub{
  color:var(--muted);
  font-size:12px;
}

.pill{
  display:inline-flex;
  padding:4px 10px;
  border-radius:999px;
  font-size:12px;
  border:1px solid var(--line);
  color:var(--muted);
  background:#ffffff;
}

.pill.ok{
  color:#047857;
  border-color:rgba(16,185,129,.4);
  background:rgba(16,185,129,.06);
}

.pill.off{
  color:#b91c1c;
  border-color:rgba(239,68,68,.4);
  background:rgba(239,68,68,.06);
}

.note{
  padding:10px 12px;
  border:1px dashed rgba(37,99,235,.4);
  border-radius:16px;
  color:var(--muted);
  font-size:13px;
  background:rgba(37,99,235,.04);
}

.bottomnav{
  position:fixed;
  left:0;
  right:0;
  bottom:0;
  z-index:50;
  background:rgba(243,244,246,.97);
  backdrop-filter:blur(12px);
  border-top:1px solid var(--line);
}

.bottomnav-inner{
  max-width:980px;
  margin:0 auto;
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:8px;
  padding:10px 12px;
}

.navbtn{
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:6px;
  padding:10px;
  border-radius:16px;
  text-decoration:none;
  border:1px solid transparent;
  color:var(--muted);
}

.navbtn.active{
  color:var(--text);
  border-color:rgba(37,99,235,.35);
  background:rgba(37,99,235,.06);
}

.icon{
  width:20px;
  height:20px;
  opacity:.95;
}

hr{
  border:none;
  border-top:1px solid var(--line);
  margin:14px 0;
}

.alert{
  padding:10px 12px;
  border-radius:16px;
  border:1px solid var(--line);
  background:#ffffff;
  color:var(--text);
  font-size:13px;
}

.alert.ok{
  border-color:rgba(16,185,129,.4);
  background:rgba(16,185,129,.06);
}

.alert.err{
  border-color:rgba(239,68,68,.4);
  background:rgba(239,68,68,.06);
}

.small{
  font-size:12px;
  color:var(--muted);
}

/* Qty strip */
.qtywrap{
  display:flex;
  gap:8px;
  align-items:center;
}

.qtywrap input{
  padding:8px 10px;
  border-radius:12px;
}

/* Lightbox */
#lbOverlay{
  position:fixed;
  inset:0;
  z-index:9999;
  display:none;
}

#lbOverlay.open{display:block}

#lbOverlay .lbBackdrop{
  position:absolute;
  inset:0;
  background:rgba(0,0,0,.55);
  backdrop-filter:blur(4px);
}

#lbOverlay .lbBox{
  position:absolute;
  inset:0;
  display:flex;
  align-items:center;
  justify-content:center;
  padding:18px;
}

#lbOverlay .lbImg{
  max-width:94vw;
  max-height:82vh;
  border-radius:18px;
  border:1px solid rgba(0,0,0,.15);
  background:#ffffff;
}

#lbOverlay .lbClose,
#lbOverlay .lbPrev,
#lbOverlay .lbNext{
  width:44px;
  height:44px;
  border-radius:999px;
  border:1px solid rgba(0,0,0,.18);
  background:#ffffff;
  color:#111827;
  font-size:24px;
  line-height:1;
}

#lbOverlay .lbClose{
  position:absolute;
  top:16px;
  right:16px;
}

#lbOverlay .lbPrev,
#lbOverlay .lbNext{
  position:absolute;
  top:50%;
  transform:translateY(-50%);
  font-size:28px;
}

#lbOverlay .lbPrev{left:14px}
#lbOverlay .lbNext{right:14px}

#lbOverlay .lbCount{
  position:absolute;
  bottom:16px;
  left:50%;
  transform:translateX(-50%);
  padding:6px 12px;
  border-radius:999px;
  border:1px solid rgba(0,0,0,.18);
  background:rgba(17,24,39,.85);
  color:#f9fafb;
  font-size:12px;
}

/* Package pill */
.packPill{
  display:flex;
  flex-direction:column;
  gap:2px;
  padding:10px 12px;
  border-radius:999px;
  border:1px solid rgba(15,23,42,.12);
  background:#ffffff;
  color:#111827;
  font-size:12px;
}

.packPill .pkLbl{font-weight:700}
.packPill .pkPrice{opacity:.9}

.packPill.active{
  background:rgba(37,99,235,.06);
  border-color:rgba(37,99,235,.5);
}