:root {
  --bg: #0d1117;
  --surface: #161b22;
  --border: #30363d;
  --accent: #58a6ff;
  --accent-hover: #79c0ff;
  --text: #e6edf3;
  --text-muted: #8b949e;
  --success: #3fb950;
  --error: #f85149;
  --card-selected: #1f3a5f;
  --radius: 8px;
  --gap: 16px;
}

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

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

header {
  padding: 32px 24px 16px;
  border-bottom: 1px solid var(--border);
  text-align: center;
}

header h1 { font-size: 2rem; margin-bottom: 8px; }
header p { color: var(--text-muted); }

main {
  flex: 1;
  max-width: 1200px;
  margin: 0 auto;
  padding: 24px;
  width: 100%;
}

.controls {
  display: flex;
  align-items: flex-end;
  gap: var(--gap);
  flex-wrap: wrap;
  margin-bottom: 16px;
}

label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 0.875rem;
  color: var(--text-muted);
}

select, input[type="password"] {
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 8px 12px;
  border-radius: var(--radius);
  font-size: 0.9rem;
  min-width: 200px;
}

select:focus, input:focus { outline: 2px solid var(--accent); border-color: transparent; }

.select-actions { display: flex; gap: 8px; align-items: flex-end; }

.token-section {
  margin-bottom: 20px;
}

.token-section label { flex-direction: row; align-items: center; gap: 12px; }
.token-section input { flex: 1; max-width: 400px; }
.hint { font-size: 0.75rem; color: var(--text-muted); }

.app-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: var(--gap);
  margin-bottom: 24px;
}

.app-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
  user-select: none;
}

.app-card:hover { border-color: var(--accent); }
.app-card.selected { background: var(--card-selected); border-color: var(--accent); }
.app-card.disabled-app { opacity: 0.4; cursor: not-allowed; }

.app-card h3 { font-size: 0.95rem; margin-bottom: 4px; }
.app-card .pkg { font-size: 0.72rem; color: var(--text-muted); word-break: break-all; }
.app-card .source-badge {
  display: inline-block;
  margin-top: 8px;
  padding: 2px 8px;
  border-radius: 12px;
  font-size: 0.7rem;
  background: #21262d;
  color: var(--text-muted);
}
.app-card .dep-badge {
  display: inline-block;
  margin-top: 4px;
  margin-left: 4px;
  padding: 2px 8px;
  border-radius: 12px;
  font-size: 0.7rem;
  background: #1a2a1a;
  color: var(--success);
}

.build-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  position: sticky;
  bottom: 16px;
}

#selected-count { color: var(--text-muted); font-size: 0.9rem; }

.btn-primary {
  background: var(--accent);
  color: #0d1117;
  border: none;
  padding: 10px 24px;
  border-radius: var(--radius);
  font-weight: 600;
  cursor: pointer;
  font-size: 0.95rem;
  transition: background 0.15s;
}

.btn-primary:hover:not(:disabled) { background: var(--accent-hover); }
.btn-primary:disabled { opacity: 0.4; cursor: not-allowed; }

.btn-secondary {
  background: transparent;
  color: var(--text-muted);
  border: 1px solid var(--border);
  padding: 8px 14px;
  border-radius: var(--radius);
  cursor: pointer;
  font-size: 0.85rem;
  transition: border-color 0.15s, color 0.15s;
}

.btn-secondary:hover { border-color: var(--accent); color: var(--accent); }

.status {
  margin-top: 16px;
  padding: 14px 18px;
  border-radius: var(--radius);
  font-size: 0.9rem;
}

.status.success { background: #1a2e1a; border: 1px solid var(--success); color: var(--success); }
.status.error { background: #2e1a1a; border: 1px solid var(--error); color: var(--error); }
.status.hidden { display: none; }

.loading { color: var(--text-muted); padding: 32px; text-align: center; grid-column: 1/-1; }

footer {
  text-align: center;
  padding: 16px;
  color: var(--text-muted);
  font-size: 0.8rem;
  border-top: 1px solid var(--border);
}

footer a { color: var(--accent); text-decoration: none; }
footer a:hover { text-decoration: underline; }

@media (max-width: 600px) {
  .app-grid { grid-template-columns: 1fr 1fr; }
  .build-bar { flex-direction: column; gap: 12px; }
}