:root {
  --bg: #0b1020;
  --bg-soft: #121a30;
  --panel: #182238;
  --panel-2: #1f2c47;
  --border: #2a3a5c;
  --text: #e8edf7;
  --text-dim: #9aa8c6;
  --accent: #38bdf8;
  --accent-2: #818cf8;
  --amber: #f59e0b;
  --green: #34d399;
  --red: #f87171;
  --radius: 14px;
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Inter", system-ui, -apple-system, sans-serif;
  background: radial-gradient(1200px 600px at 80% -10%, rgba(56, 189, 248, 0.12), transparent),
    radial-gradient(900px 500px at 0% 10%, rgba(129, 140, 248, 0.1), transparent),
    var(--bg);
  color: var(--text);
  line-height: 1.55;
  min-height: 100vh;
}

.container {
  width: min(1120px, 92vw);
  margin: 0 auto;
}

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(12px);
  background: rgba(11, 16, 32, 0.8);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
  gap: 16px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text);
}

.brand:hover {
  text-decoration: none;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #0b1020;
  font-weight: 800;
  font-size: 15px;
  letter-spacing: 0.5px;
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.brand-text strong {
  font-size: 17px;
  font-weight: 700;
}

.brand-text small {
  color: var(--text-dim);
  font-size: 12px;
}

.header-nav {
  display: flex;
  gap: 22px;
  font-size: 14px;
  font-weight: 500;
}

.header-nav a {
  color: var(--text-dim);
}

.header-nav a:hover {
  color: var(--text);
}

.hero {
  text-align: center;
  padding: 56px 0 28px;
}

.hero h1 {
  font-size: clamp(28px, 4.5vw, 46px);
  font-weight: 800;
  letter-spacing: -0.02em;
  background: linear-gradient(120deg, #fff, var(--accent));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-sub {
  margin-top: 12px;
  color: var(--text-dim);
  max-width: 620px;
  margin-left: auto;
  margin-right: auto;
  font-size: 17px;
}

.search-panel {
  padding-bottom: 12px;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
  box-shadow: var(--shadow);
}

.category-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 18px;
}

.chip {
  padding: 9px 18px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--panel-2);
  color: var(--text-dim);
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  transition: all 0.18s ease;
}

.chip:hover {
  color: var(--text);
  border-color: var(--accent);
}

.chip.is-active {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #0b1020;
  border-color: transparent;
}

.search-form {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.row.between {
  grid-template-columns: 1fr auto;
  align-items: end;
}

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

.field label {
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-dim);
}

input[type="text"],
input[type="number"],
select {
  width: 100%;
  padding: 12px 14px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--bg-soft);
  color: var(--text);
  font-size: 15px;
  font-family: inherit;
  outline: none;
  transition: border-color 0.15s ease;
}

input:focus,
select:focus {
  border-color: var(--accent);
}

.query-field input {
  font-size: 17px;
  padding: 13px 14px;
}

.site-toggle {
  display: flex;
  gap: 18px;
  align-items: center;
}

.toggle {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text);
  cursor: pointer;
  user-select: none;
}

.toggle input {
  width: 17px;
  height: 17px;
  accent-color: var(--accent);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 26px;
  border-radius: 10px;
  border: 1px solid transparent;
  font-size: 15px;
  font-weight: 700;
  font-family: inherit;
  cursor: pointer;
  transition: transform 0.12s ease, filter 0.12s ease;
}

.btn:hover {
  filter: brightness(1.08);
  transform: translateY(-1px);
}

.btn:active {
  transform: translateY(0);
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #0b1020;
}

.btn-ghost {
  background: transparent;
  border-color: var(--border);
  color: var(--text-dim);
  padding: 10px 18px;
  font-size: 13px;
}

.btn-ghost:hover {
  color: var(--text);
  border-color: var(--accent);
}

.notice {
  display: none;
  margin-top: 18px;
  padding: 14px 18px;
  border-radius: 12px;
  font-size: 14px;
  line-height: 1.5;
}

.notice.is-visible {
  display: block;
}

.notice.info {
  background: rgba(56, 189, 248, 0.12);
  border: 1px solid rgba(56, 189, 248, 0.35);
  color: var(--accent);
}

.results-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin: 30px 0 16px;
}

.results-header h2 {
  font-size: 20px;
  font-weight: 700;
}

.results-header .count {
  color: var(--text-dim);
  font-size: 13px;
  font-weight: 500;
  margin-left: 8px;
}

.results-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 16px;
  padding-bottom: 30px;
}

.product-card {
  display: flex;
  flex-direction: column;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform 0.18s ease, border-color 0.18s ease;
}

.product-card:hover {
  transform: translateY(-3px);
  border-color: rgba(56, 189, 248, 0.5);
}

.product-thumb {
  height: 150px;
  display: grid;
  place-items: center;
  background: linear-gradient(160deg, var(--panel-2), var(--bg-soft));
  font-size: 46px;
}

.product-body {
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  flex: 1;
}

.product-title {
  font-size: 14.5px;
  font-weight: 600;
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.product-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--text-dim);
}

.badge {
  padding: 3px 9px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 11px;
}

.badge-amazon {
  background: rgba(245, 158, 11, 0.15);
  color: var(--amber);
}

.badge-noon {
  background: rgba(248, 113, 113, 0.15);
  color: var(--red);
}

.product-price {
  font-size: 22px;
  font-weight: 800;
  letter-spacing: -0.01em;
}

.product-price small {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-dim);
}

.product-seller {
  font-size: 12.5px;
  color: var(--text-dim);
}

.product-seller strong {
  color: var(--text);
  font-weight: 600;
}

.product-rating {
  color: var(--amber);
  font-size: 13px;
  font-weight: 600;
}

.product-actions {
  margin-top: auto;
  display: flex;
  gap: 10px;
}

.product-actions a {
  flex: 1;
  text-align: center;
  padding: 10px;
  border-radius: 9px;
  font-size: 13px;
  font-weight: 600;
}

.link-buy {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #0b1020;
}

.link-buy:hover {
  filter: brightness(1.08);
  text-decoration: none;
}

.link-view {
  border: 1px solid var(--border);
  color: var(--text-dim);
}

.link-view:hover {
  color: var(--text);
  border-color: var(--accent);
  text-decoration: none;
}

.empty-state {
  grid-column: 1 / -1;
  text-align: center;
  padding: 40px;
  color: var(--text-dim);
  border: 1px dashed var(--border);
  border-radius: var(--radius);
}

.section {
  margin-top: 30px;
}

.section h2 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 12px;
}

.section p {
  color: var(--text-dim);
  margin-bottom: 14px;
  max-width: 760px;
}

.code-block {
  background: #0d1526;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px 18px;
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  font-size: 13.5px;
  color: var(--accent);
  overflow-x: auto;
  margin-bottom: 16px;
}

.feature-list {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 10px;
}

.feature-list li {
  padding: 12px 14px;
  background: var(--panel-2);
  border-radius: 10px;
  font-size: 13.5px;
  color: var(--text-dim);
  border: 1px solid var(--border);
}

.feature-list li::before {
  content: "✓";
  color: var(--green);
  font-weight: 800;
  margin-right: 8px;
}

.site-footer {
  border-top: 1px solid var(--border);
  margin-top: 40px;
  padding: 24px 0;
  color: var(--text-dim);
  font-size: 13px;
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 8px;
}

@media (max-width: 720px) {
  .row {
    grid-template-columns: 1fr;
  }

  .row.between {
    grid-template-columns: 1fr;
    align-items: stretch;
  }

  .site-toggle {
    justify-content: space-between;
  }

  .header-nav {
    display: none;
  }

  .footer-inner {
    flex-direction: column;
  }
}