:root {
  --bg: #ffffff;
  --text: #111111;
  --muted: #6b7280;
  --line: #e5e7eb;
  --accent: #2563eb;
  --radius: 12px;
  --shadow: 0 6px 24px rgba(0,0,0,0.08);
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: "Noto Sans", system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  position: relative;
}

/* Topbar */
.topbar {
  position: sticky; top: 0; z-index: 20;
  display: grid; grid-template-columns: 1fr auto auto; gap: 16px;
  align-items: center;
  padding: 16px 20px; border-bottom: 1px solid var(--line);
  background: rgba(255,255,255,0.9); backdrop-filter: saturate(1.2) blur(6px);
}
.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 700; }
.logo-dot { width: 14px; height: 14px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 4px #1111; }
.brand-text { letter-spacing: 0.4px; }

.search-area { display: grid; grid-template-columns: 1fr 220px; gap: 12px; }
.search-area input, .search-area select {
  height: 40px; padding: 0 12px; border: 1px solid var(--line); border-radius: 10px; background: #fff;
}
.cart-button {
  height: 40px; padding: 0 12px 0 44px; border: 1px solid var(--line); border-radius: 10px; background: #fff; cursor: pointer;
  position: relative; transition: transform .08s ease;
}
.cart-button:active { transform: scale(0.98); }
.cart-count {
  position: absolute; left: 10px; top: 50%; transform: translateY(-50%);
  background: var(--accent); color: #fff; font-size: 12px; padding: 2px 8px; border-radius: 999px;
}

/* Filters */
.game-filter .pill {
  background: linear-gradient(45deg, #ff0044, #5500ff);
  border: none;
  border-radius: 25px;
  padding: 8px 16px;
  font-weight: 600;
  color: #fff;
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s;
}
.game-filter .pill:hover,
.game-filter .pill.active {
  transform: translateY(-2px);
  box-shadow: 0 0 10px #ff0044, 0 0 15px #5500ff;
}

/* Layout */
.container { max-width: 1200px; margin: 0 auto; padding: 20px; }
.grid {
  display: grid; gap: 16px;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
}

/* Product card */
.card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: #fff;
  box-shadow: var(--shadow);

  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  align-items: center;
  text-align: center;

  transition: transform .12s ease;
}
.card:hover { transform: translateY(-2px); }

.thumb {
  width: 100%;
  height: 180px;
  object-fit: contain;
  background: #f6f6f6;
  display: block;
}

.card-body {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 8px;
  padding: 12px;
}

.game {
  color: var(--muted);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: .06em;
}
.title { font-weight: 700; line-height: 1.2; }
.price { font-weight: 600; }

.add-btn {
  height: 36px;
  border-radius: 10px;
  border: 1px solid var(--accent);
  background: var(--accent);
  color: #fff;
  cursor: pointer;
  padding: 0 16px;
  margin-top: 10px;
}

/* Cart drawer */
.cart-drawer {
  position: fixed; top: 0; right: -420px; width: 380px; max-width: 90vw; height: 100%;
  background: #fff; border-left: 1px solid var(--line); box-shadow: -6px 0 24px rgba(0,0,0,0.08);
  display: grid; grid-template-rows: auto 1fr auto; transition: right .18s ease;
  z-index: 40;
}
.cart-drawer.open { right: 0; }
.cart-header { display: flex; justify-content: space-between; align-items: center; padding: 16px; border-bottom: 1px solid var(--line); }
.icon-btn { background: transparent; border: 1px solid var(--line); border-radius: 10px; height: 36px; padding: 0 10px; cursor: pointer; }
.cart-items { padding: 12px; overflow: auto; display: grid; gap: 12px; }
.cart-item { display: grid; grid-template-columns: 56px 1fr auto; gap: 10px; align-items: center; }
.cart-item img { width: 56px; height: 56px; object-fit: cover; border-radius: 8px; border: 1px solid var(--line); }
.cart-item .name { font-weight: 600; }
.cart-item .meta { color: var(--muted); font-size: 12px; }
.qty {
  display: inline-flex; align-items: center; border: 1px solid var(--line); border-radius: 8px; overflow: hidden;
}
.qty button { width: 28px; height: 28px; border: 0; background: #f7f7f7; cursor: pointer; }
.qty span { width: 34px; text-align: center; }
.cart-footer { border-top: 1px solid var(--line); padding: 12px; display: grid; gap: 8px; }
.cart-footer .row { display: flex; justify-content: space-between; align-items: center; }
.cart-footer .small { color: var(--muted); font-size: 12px; }
.primary { height: 40px; background: var(--accent); color: #fff; border: 1px solid var(--accent); border-radius: 10px; cursor: pointer; }
.ghost { height: 40px; background: #fff; color: #111; border: 1px solid var(--line); border-radius: 10px; cursor: pointer; }

/* Overlay */
.overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,0.28); z-index: 30;
  opacity: 0; transition: opacity .18s ease;
}
.overlay.show { opacity: 1; }

/* Modal */
.modal { border: 0; border-radius: 14px; padding: 0; width: min(720px, 92vw); }
.checkout-form { padding: 16px; display: grid; gap: 14px; }
.modal-header { display: flex; justify-content: space-between; align-items: center; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.form-grid label { display: grid; gap: 6px; }
.form-grid input, .form-grid select {
  height: 40px; border: 1px solid var(--line); border-radius: 10px; padding: 0 10px;
}
.summary { border-top: 1px solid var(--line); padding-top: 12px; color: var(--muted); font-size: 14px; }
.actions { display: flex; justify-content: end; gap: 8px; }

/* Responsive */
@media (max-width: 820px) {
  .search-area { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
}

/* Force two columns on small screens (mobile) */
@media (max-width: 520px) {
  html, body { overflow-x: hidden; }
  .container { padding-left: 12px; padding-right: 12px; }
  .grid { grid-template-columns: repeat(2, 1fr) !important; gap: 12px; }
  .card .thumb { height: 140px; }
  .topbar { padding-left: 12px; padding-right: 12px; }
  .search-area input, .search-area select, .cart-button { height: 36px; }
}

body::before {
  content: "";
  position: fixed; inset: 0; z-index: -1;
  background:
    radial-gradient(60vmax 60vmax at 10% 20%, rgba(37,99,235,0.20), transparent 60%),
    radial-gradient(50vmax 50vmax at 80% 30%, rgba(255,255,255,0.9), transparent 60%),
    radial-gradient(55vmax 55vmax at 30% 80%, rgba(37,99,235,0.18), transparent 60%),
    radial-gradient(45vmax 45vmax at 70% 75%, rgba(255,255,255,0.85), transparent 60%);
  filter: saturate(1.05) blur(0.2px);
  animation: bg-drift 22s ease-in-out infinite alternate;
}
@keyframes bg-drift {
  0% { background-position: 0% 0%, 0% 0%, 0% 0%, 0% 0%; }
  100% { background-position: 10% 5%, -8% 6%, 6% -8%, -6% -10%; }
}