:root {
  --bg: #0b0e14;
  --panel: #131722;
  --border: #232838;
  --text: #e6e9f0;
  --muted: #9aa3b5;
  --accent: #5b9dff;
  --accent2: #34d399;
  --danger: #f87171;
  --radius: 10px;
}
@media (prefers-color-scheme: light) {
  :root {
    --bg: #f7f8fa;
    --panel: #ffffff;
    --border: #e3e6ec;
    --text: #1a1d24;
    --muted: #5b6272;
    --accent: #2563eb;
    --accent2: #059669;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.55;
}
.wrap { max-width: 1040px; margin: 0 auto; padding: 0 20px; }
header.site {
  border-bottom: 1px solid var(--border);
  padding: 18px 0;
}
header.site .wrap { display: flex; align-items: center; justify-content: space-between; }
.logo { font-weight: 700; font-size: 1.25rem; color: var(--text); text-decoration: none; }
.logo span { color: var(--accent); }
nav a { color: var(--muted); text-decoration: none; margin-left: 22px; font-size: 0.95rem; }
nav a:hover { color: var(--text); }
main { padding: 40px 0 80px; }
.hero { text-align: center; padding: 40px 0 20px; }
.hero h1 { font-size: 2.2rem; margin-bottom: 10px; }
.hero p { color: var(--muted); font-size: 1.1rem; max-width: 640px; margin: 0 auto; }
.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  margin: 24px 0;
}
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.grid3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
@media (max-width: 720px) { .grid2, .grid3 { grid-template-columns: 1fr; } }
label { display: block; font-size: 0.85rem; color: var(--muted); margin-bottom: 6px; }
input[type=number], select {
  width: 100%;
  padding: 10px 12px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  font-size: 1rem;
  margin-bottom: 16px;
}
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
table { width: 100%; border-collapse: collapse; font-size: 0.92rem; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--border); }
th { color: var(--muted); font-weight: 600; font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.03em; }
tr.cheapest td { color: var(--accent2); font-weight: 600; }
.badge {
  display: inline-block;
  font-size: 0.72rem;
  padding: 2px 8px;
  border-radius: 999px;
  background: rgba(91,157,255,0.15);
  color: var(--accent);
  margin-left: 8px;
}
.section-title { font-size: 1.4rem; margin: 40px 0 8px; }
.muted { color: var(--muted); }
.ad-slot {
  border: 1px dashed var(--border);
  border-radius: var(--radius);
  padding: 30px;
  text-align: center;
  color: var(--muted);
  font-size: 0.85rem;
  margin: 24px 0;
}
.article-list { list-style: none; padding: 0; }
.article-list li { padding: 16px 0; border-bottom: 1px solid var(--border); }
.article-list a { color: var(--text); font-weight: 600; text-decoration: none; font-size: 1.05rem; }
.article-list a:hover { color: var(--accent); }
.article-list p { color: var(--muted); margin: 6px 0 0; font-size: 0.92rem; }
article.content { max-width: 720px; margin: 0 auto; }
article.content h1 { font-size: 1.9rem; }
article.content h2 { font-size: 1.3rem; margin-top: 32px; }
article.content p { color: var(--text); }
footer {
  border-top: 1px solid var(--border);
  padding: 24px 0;
  text-align: center;
  color: var(--muted);
  font-size: 0.85rem;
}
.btn {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  padding: 10px 20px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  border: none;
  cursor: pointer;
  font-size: 0.95rem;
}
.updated-note { font-size: 0.8rem; color: var(--muted); text-align: right; margin-top: -8px; }