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

:root {
  --bg: #0f0f0f;
  --surface: #1a1a1a;
  --border: #2e2e2e;
  --text: #e8e8e8;
  --muted: #888;
  --radius: 10px;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, sans-serif;
  min-height: 100vh;
}

header {
  padding: 2rem 2rem 1rem;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

header h1 {
  font-size: 1.4rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.user-bar {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  font-size: 0.85rem;
}
.user-name {
  color: var(--muted);
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}
.user-admin {
  background: #854d0e;
  color: #fef3c7;
  font-size: 9px;
  font-weight: 700;
  letter-spacing: .08em;
  padding: 2px 6px;
  border-radius: 4px;
  text-transform: uppercase;
}
.user-link {
  color: var(--muted);
  text-decoration: none;
}
.user-link:hover { color: var(--text); }

.tool-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 1rem;
  padding: 1.5rem 2rem;
}

.card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  padding: 1.25rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-top: 3px solid var(--accent, #555);
  border-radius: var(--radius);
  text-decoration: none;
  color: inherit;
  transition: background 0.15s, transform 0.1s;
}

.card-beta {
  position: absolute;
  top: 8px;
  right: 8px;
  background: #854d0e;
  color: #fef3c7;
  font-size: 9px;
  font-weight: 700;
  letter-spacing: .08em;
  padding: 2px 6px;
  border-radius: 4px;
}

.card:hover {
  background: #222;
  transform: translateY(-2px);
}

.card-icon { font-size: 1.8rem; }
.card-name { font-weight: 600; font-size: 1rem; }
.card-desc { font-size: 0.8rem; color: var(--muted); line-height: 1.4; }

/* tool-frame top bar */
.topbar {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.5rem 1rem;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  height: 42px;
}

.topbar a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.85rem;
}

.topbar a:hover { color: var(--text); }

.topbar .tool-title {
  font-size: 0.9rem;
  font-weight: 500;
}

.tool-viewport {
  position: fixed;
  top: 42px; left: 0; right: 0; bottom: 0;
}

.tool-viewport iframe {
  width: 100%;
  height: 100%;
  border: none;
  display: block;
}

.loading, .empty, .error {
  color: var(--muted);
  font-size: 0.9rem;
  padding: 1rem 0;
}

.error { color: #e05; }