:root {
  --bg: #0b1220;
  --bg-alt: #101a2e;
  --card: #16223b;
  --card-alt: #1d2c4a;
  --border: #263654;
  --text: #eef2ff;
  --text-dim: #9fb0d0;
  --accent: #4f8cff;
  --accent-2: #7c5cff;
  --good: #35d6a4;
  --bad: #ff6b7a;
  --radius: 16px;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #f4f7fd;
    --bg-alt: #ffffff;
    --card: #ffffff;
    --card-alt: #f0f4fd;
    --border: #e1e8f7;
    --text: #101828;
    --text-dim: #5b6b8c;
    --accent: #3b6fe0;
    --accent-2: #6a4fe0;
    --good: #0f9d78;
    --bad: #d13b4c;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: "Segoe UI", -apple-system, BlinkMacSystemFont, Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
}

.bg-decor {
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(circle at 15% -10%, rgba(79, 140, 255, 0.25), transparent 40%),
    radial-gradient(circle at 90% 10%, rgba(124, 92, 255, 0.2), transparent 45%);
}

.hero {
  padding: 3.5rem 1.5rem 5rem;
  text-align: center;
}

.hero h1 {
  font-size: 2.6rem;
  margin: 0 0 0.5rem;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero p {
  color: var(--text-dim);
  margin: 0;
  font-size: 1.05rem;
}

.container {
  max-width: 960px;
  margin: -3.5rem auto 3rem;
  padding: 0 1.25rem;
}

.search-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem 1.25rem;
  box-shadow: 0 20px 50px -20px rgba(0, 0, 0, 0.4);
}

.field {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  position: relative;
}

.field label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.field input {
  background: var(--card-alt);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0.7rem 0.85rem;
  color: var(--text);
  font-size: 1rem;
}

.field input:focus {
  outline: none;
  border-color: var(--accent);
}

.suggestions {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  margin-top: 4px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
  z-index: 20;
  max-height: 240px;
  overflow-y: auto;
  display: none;
  box-shadow: 0 12px 30px -10px rgba(0, 0, 0, 0.5);
}

.suggestions.open { display: block; }

.suggestion-item {
  padding: 0.6rem 0.85rem;
  cursor: pointer;
  font-size: 0.9rem;
  display: flex;
  justify-content: space-between;
  gap: 0.5rem;
}

.suggestion-item:hover,
.suggestion-item.active {
  background: var(--card-alt);
}

.suggestion-item .code {
  color: var(--accent);
  font-weight: 700;
}

#search-btn {
  grid-column: span 2;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  color: white;
  border: none;
  border-radius: 10px;
  padding: 0.9rem;
  font-size: 1.05rem;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

#search-btn:hover { transform: translateY(-1px); box-shadow: 0 10px 25px -10px rgba(79, 140, 255, 0.6); }
#search-btn:disabled { opacity: 0.6; cursor: wait; transform: none; }

.status {
  text-align: center;
  color: var(--text-dim);
  margin: 1.25rem 0;
  min-height: 1.2rem;
}

.results { display: flex; flex-direction: column; gap: 1.5rem; }

.source-block {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
}

.source-title {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 0.9rem;
}

.badge {
  font-size: 0.7rem;
  font-weight: 700;
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.badge.live { background: rgba(53, 214, 164, 0.15); color: var(--good); }
.badge.unavailable { background: rgba(255, 107, 122, 0.15); color: var(--bad); }
.badge.link { background: rgba(79, 140, 255, 0.15); color: var(--accent); }

.offer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 0.8rem;
}

.offer-card {
  background: var(--card-alt);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 0.9rem 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.offer-price {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--accent);
}

.offer-meta {
  font-size: 0.82rem;
  color: var(--text-dim);
}

.offer-link {
  margin-top: 0.4rem;
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent);
  text-decoration: none;
}

.offer-link:hover { text-decoration: underline; }

.unavailable-note {
  color: var(--text-dim);
  font-size: 0.9rem;
}

.deeplink-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 0.7rem;
}

.deeplink-card {
  background: var(--card-alt);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 0.85rem 1rem;
  text-decoration: none;
  color: var(--text);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-weight: 600;
  transition: border-color 0.15s ease, transform 0.15s ease;
}

.deeplink-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}

footer {
  text-align: center;
  color: var(--text-dim);
  font-size: 0.85rem;
  padding: 2rem 1rem 3rem;
}

@media (max-width: 640px) {
  .search-card { grid-template-columns: 1fr; }
  #search-btn { grid-column: span 1; }
  .hero h1 { font-size: 2rem; }
}