:root {
  --bg: #f6f7f9;
  --card: #ffffff;
  --text: #1a1d23;
  --muted: #6b7280;
  --border: #e5e7eb;
  --accent: #c1272d;
  --accent-dark: #97181d;
  --mh-badge: #0f7a3d;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14161a;
    --card: #1e2126;
    --text: #f0f1f3;
    --muted: #9aa1ab;
    --border: #2c3036;
    --mh-badge: #35c47a;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
}

.topbar {
  background: linear-gradient(120deg, var(--accent), var(--accent-dark));
  color: #fff;
  padding: 20px 16px;
  text-align: center;
}
.brand { font-size: 22px; font-weight: 700; }
.brand span { font-weight: 400; opacity: 0.9; }
.tagline { font-size: 13px; opacity: 0.9; margin-top: 4px; }

.container {
  max-width: 900px;
  margin: 0 auto;
  padding: 20px 16px 60px;
}

.search-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px;
}

.row { display: flex; gap: 10px; flex-wrap: wrap; }
.row + .row { margin-top: 10px; }

#q {
  flex: 1;
  min-width: 200px;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg);
  color: var(--text);
  font-size: 15px;
}

button {
  padding: 12px 20px;
  border: none;
  border-radius: 8px;
  background: var(--accent);
  color: #fff;
  font-weight: 600;
  font-size: 15px;
  cursor: pointer;
}
button:hover { background: var(--accent-dark); }
button:disabled { opacity: 0.6; cursor: default; }

select, .filters input[type="number"] {
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
}
.filters input[type="number"] { width: 110px; }

.checkbox {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  color: var(--muted);
}

.status {
  margin-top: 16px;
  padding: 10px 14px;
  border-radius: 8px;
  background: var(--card);
  border: 1px solid var(--border);
  font-size: 14px;
  color: var(--muted);
}

.results {
  margin-top: 20px;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 14px;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  text-decoration: none;
  color: var(--text);
  transition: transform 0.1s ease, box-shadow 0.1s ease;
}
.card:hover { transform: translateY(-2px); box-shadow: 0 6px 18px rgba(0,0,0,0.08); }

.card-top { display: flex; justify-content: space-between; align-items: flex-start; gap: 8px; }
.card-title { font-weight: 600; font-size: 15px; line-height: 1.3; }
.source-badge {
  font-size: 11px;
  font-weight: 600;
  padding: 3px 8px;
  border-radius: 999px;
  background: var(--bg);
  color: var(--muted);
  white-space: nowrap;
}
.card-price { font-size: 18px; font-weight: 700; color: var(--accent); }
.card-meta { font-size: 13px; color: var(--muted); }
.mh-badge {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  color: #fff;
  background: var(--mh-badge);
  padding: 2px 7px;
  border-radius: 5px;
  margin-top: 2px;
  width: fit-content;
}

.deeplinks { margin-top: 32px; }
.deeplinks h2 { font-size: 16px; margin-bottom: 4px; }
.muted { color: var(--muted); font-size: 13px; margin-top: 0; }
.deeplink-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 10px;
  margin-top: 10px;
}
.deeplink-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px;
  text-decoration: none;
  color: var(--text);
  font-size: 13px;
}
.deeplink-card strong { display: block; margin-bottom: 4px; }
.deeplink-card span { color: var(--muted); font-size: 12px; }

.empty { color: var(--muted); text-align: center; padding: 30px 0; grid-column: 1 / -1; }