/* ---------------------------------------------------------------------------
   KuraClaw Test Dashboard — styles
   Mirrors skillhub visual language (dark theme, accent purple).
   --------------------------------------------------------------------------- */

:root {
  --bg: #0f1117;
  --bg-card: #1a1d27;
  --bg-card-hover: #222636;
  --bg-header: #141720;
  --border: #2a2e3d;
  --text: #e4e6ed;
  --text-muted: #8b8fa3;
  --accent: #6c72cb;
  --accent-light: #8b90e0;

  --radius: 10px;
  --radius-sm: 6px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* --- Header --- */

header {
  background: var(--bg-header);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0.75rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.logo-icon {
  width: 32px;
  height: 32px;
  background: var(--accent);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1rem;
  color: #fff;
}

.logo-text {
  font-size: 1.15rem;
  font-weight: 600;
}

.header-host {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.host-label {
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-size: 0.7rem;
}

.host-value {
  font-family: 'SF Mono', 'Fira Code', monospace;
  font-size: 0.8rem;
  padding: 0.2rem 0.45rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
}

/* --- Main --- */

main {
  max-width: 1200px;
  margin: 0 auto;
  padding: 3rem 1.5rem 4rem;
  flex: 1;
  width: 100%;
}

/* --- Hero --- */

.hero {
  text-align: center;
  margin-bottom: 2.5rem;
}

.hero h1 {
  font-size: 1.85rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.hero p {
  color: var(--text-muted);
  font-size: 1rem;
}

/* --- Grid --- */

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1rem;
}

/* --- Card --- */

.card {
  display: block;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem 1.25rem 1rem;
  text-decoration: none;
  color: inherit;
  transition: background 0.2s, border-color 0.2s, transform 0.1s;
}

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

.card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.75rem;
}

.card-num {
  font-family: 'SF Mono', 'Fira Code', monospace;
  font-size: 0.75rem;
  color: var(--text-muted);
  letter-spacing: 0.05em;
}

.card-port {
  font-family: 'SF Mono', 'Fira Code', monospace;
  font-size: 0.75rem;
  padding: 0.15rem 0.5rem;
  background: rgba(108, 114, 203, 0.15);
  color: var(--accent-light);
  border-radius: 999px;
  font-weight: 600;
}

.card-name {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.card-link {
  color: var(--accent-light);
  font-size: 0.85rem;
}

/* --- Note --- */

.note {
  margin-top: 2rem;
  padding: 0.9rem 1rem;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  font-size: 0.8rem;
  line-height: 1.5;
}

/* --- Footer --- */

footer {
  border-top: 1px solid var(--border);
  text-align: center;
  padding: 1.5rem;
  color: var(--text-muted);
  font-size: 0.8rem;
}

/* --- Responsive --- */

@media (max-width: 640px) {
  .header-inner { flex-wrap: wrap; }
  .hero h1 { font-size: 1.35rem; }
  .grid { grid-template-columns: 1fr; }
}