:root {
  color-scheme: dark;
  --ink: #edf6f8;
  --muted: #91a7b5;
  --line: #264653;
  --panel: #10232d;
  --panel-soft: #142f3a;
  --page: #08151d;
  --accent: #26a7c8;
  --accent-strong: #5ed0e7;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--page);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  border-bottom: 1px solid var(--line);
  padding: 18px clamp(18px, 4vw, 44px);
}

nav { display: flex; flex-wrap: wrap; gap: 14px; }
a { color: var(--accent-strong); text-decoration: none; }
main { width: min(1180px, calc(100% - 32px)); margin: 0 auto; padding: 28px 0 46px; }

.hero {
  display: grid;
  gap: 12px;
  border-bottom: 1px solid var(--line);
  padding: 18px 0 26px;
}

.hero h1 { margin: 0; font-size: clamp(32px, 5vw, 54px); }
.hero p { max-width: 760px; margin: 0; color: var(--muted); line-height: 1.55; }

.filters {
  display: grid;
  grid-template-columns: 1.4fr repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin: 22px 0;
}

input, select {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  color: var(--ink);
  padding: 12px;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 14px;
}

.content-card {
  display: grid;
  gap: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel-soft);
  padding: 16px;
}

.content-card:hover { border-color: #317386; background: #173441; }
.content-card h2 { margin: 0; font-size: 1.12rem; }
.content-card p { margin: 0; color: var(--muted); line-height: 1.5; }

.meta-row, .badge-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  color: var(--muted);
  font-size: 0.86rem;
}

.badge {
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  border: 1px solid #317386;
  border-radius: 999px;
  color: var(--accent-strong);
  padding: 0 10px;
  font-size: 0.78rem;
  font-weight: 800;
}

.featured {
  border-color: rgba(94, 208, 231, 0.7);
  box-shadow: 0 16px 42px rgba(38, 167, 200, 0.14);
}

.detail {
  display: grid;
  gap: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  padding: clamp(18px, 4vw, 34px);
}

.detail h1 { margin: 0; font-size: clamp(30px, 5vw, 48px); }
.detail img { width: 100%; max-height: 420px; object-fit: cover; border-radius: 8px; }
.empty { border: 1px solid var(--line); border-radius: 8px; background: var(--panel); padding: 24px; color: var(--muted); }

@media (max-width: 820px) {
  header { align-items: flex-start; flex-direction: column; }
  .filters { grid-template-columns: 1fr; }
}