:root {
  --bg: #0a1020;
  --bg-soft: #131b2f;
  --text: #e8ecf7;
  --muted: #a9b6d3;
  --card: #ffffff;
  --card-text: #1a2440;
  --border: rgba(255, 255, 255, 0.14);
  --accent: #39c0ff;
  --accent-2: #4f7cff;
  --success: #2cc590;
  --shadow: 0 14px 30px rgba(5, 12, 25, 0.25);
  --radius: 16px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Segoe UI", Roboto, Arial, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 10% 10%, rgba(57, 192, 255, 0.2), transparent 30%),
    radial-gradient(circle at 90% 10%, rgba(79, 124, 255, 0.2), transparent 35%),
    var(--bg);
  min-height: 100vh;
}

.container {
  width: min(1160px, calc(100% - 2rem));
  margin: 0 auto;
}

.hero {
  padding: 3rem 0 2rem;
}

.hero h1 {
  margin: 0 0 0.8rem;
  font-size: clamp(1.8rem, 4vw, 3rem);
}

.hero p {
  margin: 0;
  color: var(--muted);
  max-width: 760px;
}

.category-section {
  margin: 2rem 0 2.5rem;
}

.category-title {
  margin: 0 0 1rem;
  font-size: 1.35rem;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 1rem;
}

.agent-card {
  grid-column: span 4;
  background: var(--card);
  color: var(--card-text);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1rem;
  text-decoration: none;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  border: 1px solid rgba(26, 36, 64, 0.06);
}

.agent-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 18px 34px rgba(5, 12, 25, 0.3);
}

.agent-name {
  margin: 0 0 0.45rem;
  font-size: 1.05rem;
}

.agent-desc {
  margin: 0 0 0.9rem;
  color: #4f5f84;
  min-height: 48px;
}

.agent-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.6rem;
}

.badge {
  font-size: 0.78rem;
  background: #e9f9f3;
  color: #0d7853;
  border-radius: 999px;
  padding: 0.28rem 0.65rem;
  white-space: nowrap;
}

.btn {
  display: inline-block;
  border-radius: 999px;
  padding: 0.4rem 0.8rem;
  background: linear-gradient(120deg, var(--accent), var(--accent-2));
  color: white;
  font-weight: 600;
  font-size: 0.8rem;
}

.topbar {
  position: sticky;
  top: 0;
  background: rgba(10, 16, 32, 0.84);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}

.topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  flex-wrap: wrap;
  padding: 0.8rem 0;
}

.topbar a {
  color: var(--text);
  text-decoration: none;
  overflow-wrap: anywhere;
}

.agent-page {
  padding: 2rem 0 3rem;
}

.agent-layout {
  display: grid;
  grid-template-columns: 330px 1fr;
  gap: 1rem;
}

.panel {
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem;
}

.agent-page h1 {
  margin-top: 0;
}

.muted {
  color: var(--muted);
}

.id-chip {
  display: inline-block;
  margin-top: 0.8rem;
  padding: 0.35rem 0.65rem;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.06);
  font-family: Consolas, monospace;
  font-size: 0.8rem;
  word-break: break-all;
}

@media (max-width: 960px) {
  .container {
    width: min(1160px, calc(100% - 1.5rem));
  }

  .agent-card {
    grid-column: span 6;
  }

  .hero {
    padding: 2.2rem 0 1.4rem;
  }

  .hero p {
    font-size: 0.97rem;
  }

  .agent-layout {
    grid-template-columns: 1fr;
  }

  .panel {
    padding: 0.9rem;
  }
}

@media (max-width: 620px) {
  .container {
    width: min(1160px, calc(100% - 1rem));
  }

  .topbar {
    position: static;
  }

  .topbar-inner {
    padding: 0.65rem 0;
    align-items: flex-start;
  }

  .topbar-inner a {
    font-size: 0.92rem;
  }

  .hero h1 {
    font-size: clamp(1.55rem, 8vw, 2rem);
  }

  .category-section {
    margin: 1.35rem 0 1.8rem;
  }

  .agent-card {
    grid-column: span 12;
    padding: 0.9rem;
  }

  .agent-name {
    font-size: 1rem;
  }

  .agent-desc {
    min-height: 0;
    font-size: 0.93rem;
  }

  .agent-meta {
    align-items: stretch;
    flex-direction: column;
  }

  .badge,
  .btn {
    width: 100%;
    text-align: center;
  }

  .agent-page {
    padding: 1.25rem 0 2rem;
  }

  .agent-layout {
    gap: 0.75rem;
  }

  .panel h1 {
    font-size: 1.2rem;
  }

  .id-chip {
    font-size: 0.72rem;
    line-height: 1.4;
  }
}