backend/mcp_server/ui_src/src/styles.css

:root {
  color-scheme: light dark;
  font-family: -apple-system, BlinkMacSystemFont, "Inter", "Segoe UI", Roboto,
    sans-serif;
  --b2v-fg: #111;
  --b2v-fg-muted: #555;
  --b2v-bg: #fff;
  --b2v-border: #e6e6ea;
  --b2v-accent: #7c3aed;
  --b2v-card-bg: #fff;
}

@media (prefers-color-scheme: dark) {
  :root {
    --b2v-fg: #f5f5f7;
    --b2v-fg-muted: #a8a8af;
    --b2v-bg: #0f0f12;
    --b2v-border: #2a2a30;
    --b2v-card-bg: #16161a;
  }
}

* { box-sizing: border-box; }

html, body, #root {
  margin: 0;
  padding: 0;
  background: var(--b2v-bg);
  color: var(--b2v-fg);
}

body {
  padding: 16px;
}

.loading {
  padding: 32px;
  text-align: center;
  color: var(--b2v-fg-muted);
  font-size: 14px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 14px;
}

.card {
  background: var(--b2v-card-bg);
  border: 1px solid var(--b2v-border);
  border-radius: 12px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: border-color 0.15s ease, transform 0.15s ease;
}

.card:hover {
  border-color: var(--b2v-accent);
  transform: translateY(-2px);
}

.preview {
  aspect-ratio: 16 / 9;
  background: #000;
  overflow: hidden;
  position: relative;
}

.preview-fallback {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 18px;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.92);
  background-size: cover;
  background-position: center;
}

.meta {
  padding: 12px 14px 14px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.meta h3 {
  margin: 0;
  font-size: 13px;
  font-weight: 600;
  text-transform: lowercase;
  letter-spacing: 0.3px;
  color: var(--b2v-accent);
}

.meta .name {
  margin: 0;
  font-size: 14px;
  font-weight: 600;
  color: var(--b2v-fg);
}

.meta .desc {
  margin: 2px 0 6px;
  font-size: 12px;
  line-height: 1.35;
  color: var(--b2v-fg-muted);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.actions {
  display: flex;
  gap: 6px;
  margin-top: 6px;
}

.actions button {
  flex: 1;
  font: inherit;
  font-size: 12px;
  padding: 7px 10px;
  border-radius: 8px;
  border: 1px solid transparent;
  cursor: pointer;
  font-weight: 500;
  transition: background 0.12s ease, border-color 0.12s ease;
}

.actions button:first-child {
  background: var(--b2v-accent);
  color: #fff;
}

.actions button:first-child:hover {
  filter: brightness(1.1);
}

.actions button.ghost {
  background: transparent;
  border-color: var(--b2v-border);
  color: var(--b2v-fg-muted);
}

.actions button.ghost:hover {
  border-color: var(--b2v-accent);
  color: var(--b2v-fg);
}