:root {
  --bg: #0b0d10;
  --card: #12161b;
  --muted: #9aa6b2;
  --text: #e6edf3;
  --brand: #0ea5e9;
  --brand-2: #22d3ee;
  --danger: #ef4444;
  --success: #10b981;
  --ring: 0 0 0 2px rgba(34, 211, 238, 0.25);
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, Noto Sans, Helvetica Neue, Arial, "Apple Color Emoji", "Segoe UI Emoji";
  color: var(--text);
  background: radial-gradient(1200px 600px at 10% -10%, rgba(14,165,233,0.15), transparent),
              radial-gradient(1200px 600px at 90% -10%, rgba(34,211,238,0.15), transparent),
              var(--bg);
}

.container {
  width: min(1200px, 92%);
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(10px);
  background: linear-gradient(to bottom, rgba(11,13,16,0.9), rgba(11,13,16,0.6));
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 0;
}
.logo { font-weight: 800; font-size: 22px; color: var(--text); text-decoration: none; }
.logo span { background: linear-gradient(90deg, var(--brand), var(--brand-2)); -webkit-background-clip: text; color: transparent; }

.search { display: flex; gap: 8px; flex: 1; max-width: 560px; }
.search input {
  flex: 1;
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid rgba(255,255,255,0.08);
  background: #0f1317;
  color: var(--text);
}
.search input:focus { outline: none; box-shadow: var(--ring); border-color: rgba(34,211,238,0.35); }
.search button { padding: 10px 12px; border-radius: 10px; border: 1px solid rgba(255,255,255,0.08); background: #0f1317; color: var(--text); cursor: pointer; }
.search button:hover { background: #141a21; }

.nav { display: flex; align-items: center; gap: 12px; }
.nav select { padding: 10px 12px; border-radius: 10px; border: 1px solid rgba(255,255,255,0.08); background: #0f1317; color: var(--text); }
.cart-link { position: relative; color: var(--text); text-decoration: none; font-size: 18px; }
.cart-count { position: absolute; top: -8px; right: -12px; background: var(--brand); color: #001018; border-radius: 999px; padding: 2px 6px; font-size: 12px; font-weight: 700; }

.hero { margin: 26px 0 10px; padding: 22px; border-radius: 16px; background: linear-gradient(180deg, rgba(34,211,238,0.1), rgba(14,165,233,0.08)); border: 1px solid rgba(34,211,238,0.25); }
.hero h1 { margin: 0 0 6px; font-size: 28px; }
.hero p { margin: 0; color: var(--muted); }

.toolbar { display: flex; justify-content: flex-end; margin: 18px 0; }
.sort select { padding: 8px 10px; border-radius: 10px; border: 1px solid rgba(255,255,255,0.08); background: #0f1317; color: var(--text); }

.grid { display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap: 16px; }
@media (max-width: 1100px) { .grid { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 800px)  { .grid { grid-template-columns: repeat(2, 1fr); } .search{ display:none; } }
@media (max-width: 520px)  { .grid { grid-template-columns: 1fr; } }

.card { background: var(--card); border: 1px solid rgba(255,255,255,0.06); border-radius: 14px; overflow: hidden; display: flex; flex-direction: column; }
.card .thumb { aspect-ratio: 16/11; background: linear-gradient(135deg, #0f1317, #11161b); display: flex; align-items: center; justify-content: center; padding: 14px; }
.card .thumb img { max-width: 100%; max-height: 100%; object-fit: contain; }
.card .body { padding: 12px 12px 14px; display: grid; gap: 8px; }
.card .title { font-size: 14px; line-height: 1.3; min-height: 36px; }
.card .meta { display: flex; align-items: center; justify-content: space-between; }
.price { font-weight: 800; font-size: 18px; }
.badge { padding: 3px 8px; border-radius: 999px; background: #102027; color: var(--brand-2); font-size: 12px; border: 1px solid rgba(34,211,238,0.25) }

.card .actions { display: grid; grid-template-columns: 1fr auto; gap: 8px; }
.btn { padding: 10px 12px; border-radius: 10px; border: 1px solid rgba(255,255,255,0.08); background: #0f1317; color: var(--text); cursor: pointer; }
.btn.primary { background: linear-gradient(90deg, var(--brand), var(--brand-2)); color: #001018; border: none; font-weight: 700; }
.btn:hover { filter: brightness(1.05); }

.empty { text-align: center; color: var(--muted); margin: 32px 0 64px; }

.site-footer { margin: 40px 0 28px; color: var(--muted); font-size: 14px; }
.footer-inner { display: flex; justify-content: center; }

/* Cart page */
.cart-page { display: grid; grid-template-columns: 1.5fr 1fr; gap: 18px; margin: 26px 0; }
@media (max-width: 900px) { .cart-page { grid-template-columns: 1fr; } }
.panel { background: var(--card); border: 1px solid rgba(255,255,255,0.06); border-radius: 14px; padding: 14px; }
.panel h2 { margin: 0 0 12px; font-size: 18px; }
.cart-items { display: grid; gap: 10px; }
.cart-item { display: grid; grid-template-columns: 80px 1fr auto; gap: 10px; align-items: center; background: #0f1317; border-radius: 12px; padding: 10px; }
.cart-item img { width: 80px; height: 80px; object-fit: contain; }
.qty { display: inline-flex; align-items: center; gap: 8px; }
.qty button { width: 28px; height: 28px; border-radius: 8px; border: 1px solid rgba(255,255,255,0.08); background: #0d1115; color: var(--text); cursor: pointer; }
.summary { display: grid; gap: 8px; }
.summary-row { display: flex; justify-content: space-between; color: var(--muted); }
.summary .total { font-size: 20px; font-weight: 800; color: var(--text); }

/* Modal */
.modal[aria-hidden="false"] { display: block; }
.modal { position: fixed; inset: 0; display: none; }
.modal-backdrop { position: absolute; inset: 0; background: rgba(0,0,0,0.6); }
.modal-content { position: relative; margin: 6vh auto; width: min(680px, 92%); background: var(--card); border: 1px solid rgba(255,255,255,0.08); border-radius: 14px; padding: 14px; box-shadow: 0 20px 60px rgba(0,0,0,0.5); }
.modal-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 10px; }
.modal-close { background: transparent; border: none; color: var(--text); font-size: 18px; cursor: pointer; }

.form { display: grid; gap: 12px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
@media (max-width: 700px) { .form-row { grid-template-columns: 1fr; } }
.form-field { display: grid; gap: 6px; }
.form-field label { font-size: 14px; color: var(--muted); }
.form-field input { padding: 10px 12px; border-radius: 10px; border: 1px solid rgba(255,255,255,0.08); background: #0f1317; color: var(--text); }
.form-field input:focus { outline: none; box-shadow: var(--ring); border-color: rgba(34,211,238,0.35); }
.error { color: var(--danger); min-height: 16px; font-size: 12px; }
.modal-actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 6px; }