:root{
  --bg0:#060a1a;
  --bg1:#071027;
  --ink:#e9f2ff;
  --muted:#a8c0e8;
  --glass: rgba(13, 26, 58, .45);
  --stroke: rgba(160, 200, 255, .18);
  --shadow: 0 20px 60px rgba(0,0,0,.35);
  --primary:#5bbcff;
  --primary2:#7a5cff;
  --danger:#ff5b7a;
  --ok:#40f2c4;
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, "Apple Color Emoji","Segoe UI Emoji";
  color:var(--ink);
  background: radial-gradient(1200px 700px at 15% 10%, rgba(91,188,255,.18), transparent 55%),
              radial-gradient(900px 700px at 85% 20%, rgba(122,92,255,.14), transparent 55%),
              radial-gradient(1000px 700px at 40% 90%, rgba(64,242,196,.10), transparent 55%),
              linear-gradient(180deg, var(--bg1), var(--bg0));
  overflow-x:hidden;
}

.bg{
  position:fixed; inset:-80px;
  background:
    radial-gradient(900px 500px at 10% 15%, rgba(91,188,255,.16), transparent 60%),
    radial-gradient(850px 520px at 90% 10%, rgba(122,92,255,.16), transparent 60%),
    radial-gradient(900px 520px at 70% 95%, rgba(64,242,196,.08), transparent 60%);
  filter: blur(0px);
  z-index:-1;
}

.glass{
  background: var(--glass);
  border: 1px solid var(--stroke);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: var(--shadow);
}

.topbar{
  position: sticky;
  top: 0;
  z-index: 20;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap: 12px;
  padding: 14px 16px;
  margin: 14px;
  border-radius: 18px;
}

.brand{
  display:flex;
  align-items:center;
  gap: 12px;
}
.logo-dot{
  width: 14px;
  height: 14px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--primary), var(--primary2));
  box-shadow: 0 0 18px rgba(91,188,255,.55);
}
.title{font-weight: 800; letter-spacing: .2px}
.subtitle{font-size: 12px; color: var(--muted); margin-top: 2px}

.actions{display:flex; gap: 10px; flex-wrap:wrap; justify-content:flex-end}

.container{
  width: min(1100px, calc(100% - 28px));
  margin: 0 auto 30px;
}

.panel{
  border-radius: 18px;
  padding: 14px;
}

.panel-row{
  display:flex;
  gap: 12px;
  align-items:center;
  justify-content:space-between;
  flex-wrap:wrap;
  padding: 4px 4px 14px;
}

.search-wrap{flex:1; min-width: 220px}
.input{
  width:100%;
  padding: 12px 12px;
  border-radius: 14px;
  border: 1px solid rgba(160,200,255,.18);
  background: rgba(4,10,25,.35);
  color: var(--ink);
  outline: none;
}
.input::placeholder{color: rgba(168,192,232,.65)}
.input:focus{
  border-color: rgba(91,188,255,.55);
  box-shadow: 0 0 0 4px rgba(91,188,255,.14);
}

.chip-row{display:flex; gap: 10px; flex-wrap:wrap}
.chip{
  padding: 10px 12px;
  border-radius: 999px;
  border: 1px solid rgba(160,200,255,.18);
  background: rgba(4,10,25,.35);
  color: var(--ink);
  cursor:pointer;
}

.btn{
  padding: 11px 14px;
  border-radius: 14px;
  border: 1px solid rgba(160,200,255,.18);
  background: rgba(4,10,25,.35);
  color: var(--ink);
  cursor:pointer;
  user-select:none;
  transition: transform .08s ease, filter .2s ease, box-shadow .2s ease, border-color .2s ease;
}

.btn-primary{
  background: linear-gradient(135deg, rgba(91,188,255,.20), rgba(122,92,255,.18));
  border-color: rgba(91,188,255,.35);
}
.btn-ghost{
  background: rgba(4,10,25,.22);
}

.icon-btn{
  width: 38px;
  height: 38px;
  border-radius: 14px;
  border: 1px solid rgba(160,200,255,.18);
  background: rgba(4,10,25,.35);
  color: var(--ink);
  cursor:pointer;
}

.press-glow:active{
  transform: translateY(1px) scale(.98);
  filter: brightness(1.08);
  box-shadow: 0 0 0 4px rgba(91,188,255,.18), 0 0 24px rgba(91,188,255,.25);
  border-color: rgba(91,188,255,.55);
}

.grid{
  display:grid;
  gap:14px;
  grid-template-columns: repeat(4, 1fr);
}

@media (max-width:500px){
  .grid{
    grid-template-columns: 1fr;
  }
}

.card{
  border-radius: 18px;
  padding: 12px;
  display:flex;
  flex-direction:column;
  gap: 10px;
  position:relative;
  overflow:hidden;
}
.card::before{
  content:"";
  position:absolute; inset:-2px;
  background: radial-gradient(500px 180px at 30% 0%, rgba(91,188,255,.14), transparent 65%),
              radial-gradient(500px 180px at 90% 20%, rgba(122,92,255,.12), transparent 65%);
  pointer-events:none;
}

.thumb{
  width:100%;
  aspect-ratio: 16/10;
  border-radius: 14px;
  border: 1px solid rgba(160,200,255,.16);
  background: rgba(4,10,25,.35);
  overflow:hidden;
  display:flex;
  align-items:center;
  justify-content:center;
  position:relative;
  z-index:1;
}
.thumb img{
  width:100%;
  height:100%;
  object-fit:cover;
  display:block;
}
.thumb .fallback{
  color: rgba(168,192,232,.75);
  font-size: 12px;
}

.card h3{
  margin:0;
  font-size: 16px;
  position:relative;
  z-index:1;
}
.meta{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap: 10px;
  position:relative;
  z-index:1;
}
.price{
  font-weight: 800;
  letter-spacing: .2px;
}
.stock{
  font-size: 12px;
  color: var(--muted);
}
.note{
  font-size: 12px;
  color: rgba(168,192,232,.85);
  position:relative;
  z-index:1;
}

.row{
  display:flex;
  gap: 10px;
  position:relative;
  z-index:1;
  flex-wrap:wrap;
}

.btn-buy{
  flex: 1;
  min-width: 120px;
  background: linear-gradient(135deg, rgba(64,242,196,.18), rgba(91,188,255,.16));
  border-color: rgba(64,242,196,.25);
}
.btn-danger{
  background: rgba(255,91,122,.10);
  border-color: rgba(255,91,122,.25);
}
.btn-small{padding: 10px 12px; border-radius: 14px}

.modal{
  position:fixed; inset:0;
  display:none;
  z-index: 50;
}
.modal.show{display:block}
.modal-backdrop{
  position:absolute; inset:0;
  background: rgba(0,0,0,.45);
}
.modal-card{
  position:relative;
  width: min(560px, calc(100% - 28px));
  margin: 60px auto;
  border-radius: 18px;
  padding: 14px;
}
.modal-head{
  display:flex;
  justify-content:space-between;
  align-items:flex-start;
  gap: 10px;
  padding-bottom: 8px;
}
.modal-title{font-weight: 800}
.modal-sub{font-size: 12px; color: var(--muted); margin-top: 3px}

.form{display:flex; flex-direction:column; gap: 12px; padding-top: 6px}
.label{display:flex; flex-direction:column; gap: 6px; font-size: 12px; color: rgba(233,242,255,.9)}
.two{display:grid; grid-template-columns: 1fr 1fr; gap: 10px}
.form-actions{
  display:flex;
  justify-content:flex-end;
  gap: 10px;
  padding-top: 4px;
}

.toast{
  position: fixed;
  bottom: 16px;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(4,10,25,.65);
  border: 1px solid rgba(160,200,255,.18);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  color: var(--ink);
  padding: 10px 12px;
  border-radius: 999px;
  box-shadow: var(--shadow);
  opacity: 0;
  pointer-events:none;
  transition: opacity .2s ease, transform .2s ease;
}
.toast.show{
  opacity: 1;
  transform: translateX(-50%) translateY(-2px);
}

@media (max-width: 520px){
  .topbar{margin: 10px; padding: 12px}
  .container{width: calc(100% - 20px)}
  .two{grid-template-columns: 1fr}
}

/* Admin image upload helpers */
.hint{
  margin-top:6px;
  font-size:12px;
  color: var(--muted);
  opacity:.9;
}
.img-preview{
  margin-top:10px;
  width: 160px;
  height: 160px;
  object-fit: cover;
  border-radius: 16px;
  border: 1px solid var(--stroke);
  box-shadow: var(--shadow);
}
.login-card{
  max-width: 520px;
  margin: 40px auto;
}
.split{
  display:grid;
  grid-template-columns: 1fr;
  gap: 14px;
}
@media(min-width:860px){
  .split{grid-template-columns: 1fr 1fr;}
}