*{box-sizing:border-box}

body{
  margin:0;
  font-family:'Inter',sans-serif;
  background:
    linear-gradient(rgba(2,6,23,.78), rgba(0,0,0,.84)),
    url('../uploads/site-background.png') center/cover fixed no-repeat;
  background-color:#000;
  color:#e2e8f0;
}

button,
input{
  transition:border-color .2s ease, box-shadow .2s ease, transform .2s ease, background .2s ease, opacity .2s ease;
}

header{
  text-align:center;
  padding:30px;
  position:relative;
}

h1{
  font-family:'Orbitron';
  color:#22c55e;
  text-shadow:0 0 15px #22c55e;
}

.cart-toggle{
  position:absolute;
  right:20px;
  top:30px;
  background:#22c55e;
  border:none;
  padding:8px 12px;
  border-radius:8px;
  cursor:pointer;
  display:flex;
  align-items:center;
  gap:5px;
  font-size:14px;
  width:auto;
  color:#04110a;
}

.cart-toggle:hover,
.cart-toggle:focus-visible{
  transform:translateY(-1px);
  background:#16a34a;
  box-shadow:0 0 0 3px rgba(34,197,94,.16);
}

.search{
  max-width:360px;
  margin:10px auto 20px;
}

.search input{
  width:100%;
  padding:10px 12px;
  border-radius:10px;
  border:1px solid rgba(255,255,255,.1);
  background:rgba(2,6,23,.6);
  backdrop-filter:blur(6px);
  color:white;
  font-size:13px;
}

.search input:hover{
  border-color:rgba(34,197,94,.28);
}

.search input:focus{
  outline:none;
  border-color:rgba(34,197,94,.5);
  box-shadow:0 0 0 3px rgba(34,197,94,.12);
}

#shop{
  display:grid;
  grid-template-columns:repeat(4, 1fr);
  gap:20px;
  padding:20px;
}

.item{
  background:rgba(2,6,23,.78);
  backdrop-filter:blur(8px);
  border:1px solid rgba(255,255,255,.08);
  border-radius:12px;
  padding:15px;
  transition:.2s;
  display:flex;
  flex-direction:column;
  justify-content:space-between;
  box-shadow:0 16px 40px rgba(0,0,0,.2);
}

.item:hover{
  transform:translateY(-5px);
  box-shadow:0 0 15px rgba(34,197,94,.3);
}

.item img{
  width:100%;
  height:180px;
  object-fit:contain;
  object-position:center;
  display:block;
  background:rgba(255,255,255,.02);
  border-radius:8px;
  margin-bottom:10px;
}

.item h3{
  margin:5px 0;
  font-size:16px;
}

.item p{
  font-size:12px;
  color:#94a3b8;
  margin-bottom:10px;
}

.buy-row{
  display:flex;
  align-items:flex-end;
  gap:12px;
  margin-top:auto;
}

.buy-row button{
  flex:1;
}

.qty-field{
  display:flex;
  flex-direction:column;
  gap:6px;
  min-width:92px;
}

.qty-field span{
  font-size:11px;
  font-weight:700;
  letter-spacing:.06em;
  text-transform:uppercase;
  color:#94a3b8;
}

.qty-input{
  width:100%;
  height:44px;
  padding:10px 12px;
  border-radius:10px;
  border:1px solid rgba(255,255,255,.08);
  background:rgba(2,6,23,.72);
  color:#e2e8f0;
  font-weight:700;
  text-align:center;
}

.qty-input:hover{
  border-color:rgba(34,197,94,.28);
}

.qty-input:focus{
  outline:none;
  border-color:rgba(34,197,94,.5);
  box-shadow:0 0 0 3px rgba(34,197,94,.12);
}

.price{
  display:flex;
  justify-content:space-between;
  align-items:center;
  color:#22c55e;
  font-weight:bold;
  margin:10px 0;
}

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

.price-old{
  color:#ef4444;
  text-decoration:line-through;
}

.price-dirty{
  color:#22c55e;
  display:flex;
  flex-direction:column;
  gap:4px;
  align-items:flex-end;
  align-self:flex-end;
}

button{
  width:100%;
  padding:10px;
  border:none;
  border-radius:10px;
  background:linear-gradient(135deg,#ff2e63,#ff4d4d);
  color:white;
  cursor:pointer;
}

button:hover,
button:focus-visible{
  transform:translateY(-1px);
  filter:brightness(1.05);
  outline:none;
  box-shadow:0 0 0 3px rgba(255,255,255,.08);
}

button:disabled{
  cursor:not-allowed;
  opacity:.45;
  transform:none;
  filter:none;
  box-shadow:none;
}

.cart{
  position:fixed;
  right:-320px;
  top:0;
  height:100vh;
  width:300px;
  background:rgba(2,6,23,.92);
  backdrop-filter:blur(15px);
  padding:20px;
  transition:.3s;
  z-index:100;
  border-left:1px solid rgba(255,255,255,.08);
  box-shadow:-18px 0 40px rgba(0,0,0,.25);
}

.cart.active{ right:0; }

.cart h3{
  margin-top:0;
}

.cart-item{
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:12px;
  margin:12px 0;
  padding:12px 14px;
  border:1px solid rgba(255,255,255,.06);
  border-radius:14px;
  background:linear-gradient(180deg, rgba(15,23,42,.82), rgba(2,6,23,.76));
  box-shadow:0 12px 30px rgba(0,0,0,.16);
}

.cart-item-info{
  display:flex;
  flex-direction:column;
  gap:6px;
  flex:1;
}

.cart-item-name{
  font-size:15px;
  line-height:1.3;
  color:#f8fafc;
}

.cart-item-qty{
  display:inline-flex;
  align-items:center;
  width:fit-content;
  padding:4px 10px;
  border-radius:999px;
  background:rgba(34,197,94,.12);
  border:1px solid rgba(34,197,94,.2);
  color:#86efac;
  font-size:12px;
  font-weight:700;
  letter-spacing:.04em;
}

.controls{
  display:flex;
  gap:6px;
  align-items:center;
}

.controls button{
  width:34px;
  height:34px;
  border:1px solid transparent;
  border-radius:10px;
  cursor:pointer;
  font-weight:bold;
  display:flex;
  align-items:center;
  justify-content:center;
  transition:.2s;
  padding:0;
  box-shadow:none;
}

.controls button:hover{
  transform:translateY(-1px);
}

.controls .control-add{
  background:rgba(34,197,94,.16);
  color:#86efac;
  border-color:rgba(34,197,94,.22);
}

.controls .control-remove{
  background:rgba(250,204,21,.14);
  color:#fde047;
  border-color:rgba(250,204,21,.2);
}

.controls .control-delete{
  background:rgba(239,68,68,.14);
  color:#fda4af;
  border-color:rgba(239,68,68,.22);
}

.total{
  margin-top:15px;
  margin-bottom:15px;
  font-weight:bold;
  color:#22c55e;
  text-align:center;
  font-size:15px;
}

.payment-select{
  display:flex;
  flex-direction:column;
  gap:10px;
  margin-bottom:15px;
}

.payment-select button{
  flex:1;
  padding:10px;
  border:none;
  border-radius:10px;
  cursor:pointer;
  font-weight:bold;
  font-size:13px;
  background:#020617;
  color:#22c55e;
  border:1px solid rgba(255,255,255,.1);
  transition:.2s;
}

.payment-select button.active{
  background:#22c55e;
  color:black;
  box-shadow:0 0 10px #22c55e;
}

.payment-select button:hover,
.payment-select button:focus-visible{
  transform:translateY(-2px);
  box-shadow:0 0 8px rgba(34,197,94,.5);
}

.order-btn{
  width:100%;
  padding:12px;
  border:none;
  border-radius:10px;
  background:linear-gradient(135deg,#ff2e63,#ff4d4d);
  color:white;
  font-weight:bold;
  cursor:pointer;
  transition:.2s;
}

.order-btn:hover{
  transform:translateY(-2px);
  box-shadow:0 0 12px rgba(255,50,80,.6);
}

.toast{
  position:fixed;
  bottom:20px;
  left:50%;
  transform:translateX(-50%) scale(0.8);
  background:#22c55e;
  color:black;
  padding:10px 20px;
  border-radius:10px;
  opacity:0;
  transition:.3s;
  z-index:150;
}

.toast.show{
  opacity:1;
  transform:translateX(-50%) scale(1);
}

.empty-state{
  display:none;
  text-align:center;
  border:1px dashed rgba(34,197,94,.22);
  border-radius:14px;
  padding:24px 18px;
  background:rgba(2,6,23,.45);
  color:#94a3b8;
}

.empty-state.visible{
  display:block;
}

#shop > .empty-state{
  display:grid;
  place-items:center;
  min-height:220px;
  grid-column:1 / -1;
}

.empty-state strong{
  display:block;
  margin-bottom:6px;
  color:#e2e8f0;
}

.cart-empty{
  margin:18px 0;
}

.modal-overlay{
  display:none;
  position:fixed;
  inset:0;
  background:rgba(0,0,0,.72);
  justify-content:center;
  align-items:center;
  z-index:200;
  padding:20px;
}

.modal-overlay.active{
  display:flex;
}

.modal-card{
  width:min(100%, 420px);
  background:rgba(2,6,23,.96);
  border:1px solid rgba(255,255,255,.08);
  border-radius:16px;
  padding:24px;
  box-shadow:0 24px 60px rgba(0,0,0,.38);
  text-align:center;
}

.modal-card h3{
  margin-top:0;
  margin-bottom:10px;
  color:#22c55e;
}

.modal-card p{
  color:#cbd5e1;
  margin-bottom:18px;
}

.modal-confirm{
  background:linear-gradient(135deg,#22c55e,#16a34a);
  color:#04110a;
}

.skeleton{
  position:relative;
  overflow:hidden;
  background:rgba(15,23,42,.9);
}

.skeleton::after{
  content:"";
  position:absolute;
  inset:0;
  transform:translateX(-100%);
  background:linear-gradient(90deg, transparent, rgba(148,163,184,.14), transparent);
  animation:shimmer 1.3s infinite;
}

.product-skeleton{
  pointer-events:none;
}

.skeleton-image{
  width:100%;
  height:120px;
  border-radius:8px;
  margin-bottom:10px;
}

.skeleton-line{
  height:12px;
  border-radius:999px;
  margin-bottom:10px;
}

.skeleton-line.short{
  width:55%;
}

.skeleton-button{
  height:38px;
  border-radius:10px;
  margin-top:auto;
}

@keyframes shimmer{
  100%{transform:translateX(100%)}
}

@media (max-width: 1024px){
  #shop{
    grid-template-columns:repeat(3, 1fr);
  }
}

@media (max-width: 768px){
  #shop{
    grid-template-columns:repeat(2, 1fr);
  }

  .cart{
    width:100%;
    right:-100%;
  }
}

@media (max-width: 560px){
  header{
    padding:24px 16px 70px;
  }

  .cart-toggle{
    top:auto;
    right:16px;
    bottom:18px;
  }

  #shop{
    grid-template-columns:1fr;
    padding:16px;
  }

  .search{
    padding:0 16px;
  }
}