:root {
  color-scheme: light dark;
  --bg: #f7f7f8;
  --card-bg: #ffffff;
  --border: #ddd;
  --text: #1a1a1a;
  --muted: #666;
  --accent: #2563eb;
  --danger: #dc2626;
  --success: #16a34a;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
}

header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--border);
  background: var(--card-bg);
}

header h1 { font-size: 1.1rem; margin: 0; }

main {
  max-width: 720px;
  margin: 0 auto;
  padding: 1.5rem;
}

#login-section {
  text-align: center;
  padding: 4rem 1rem;
}

button {
  cursor: pointer;
  border: none;
  border-radius: 6px;
  padding: 0.5rem 1rem;
  font-size: 0.95rem;
}

.btn-primary { background: var(--accent); color: white; }
.btn-approve { background: var(--success); color: white; }
.btn-reject { background: var(--danger); color: white; }
.btn-secondary { background: transparent; color: var(--muted); border: 1px solid var(--border); }

button:disabled { opacity: 0.5; cursor: not-allowed; }

#weak-spots {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1rem;
  margin-bottom: 1.5rem;
}

.candidate-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1rem;
  margin-bottom: 1rem;
}

.candidate-card h3 { margin: 0 0 0.25rem; }
.candidate-card .meta { color: var(--muted); font-size: 0.85rem; margin-bottom: 0.5rem; }
.candidate-card .reasoning { margin: 0.5rem 0; }
.candidate-card ul { margin: 0.25rem 0; padding-left: 1.2rem; font-size: 0.85rem; color: var(--muted); }

.candidate-actions {
  display: flex;
  gap: 0.5rem;
  align-items: center;
  margin-top: 0.75rem;
}

select { padding: 0.4rem; border-radius: 6px; border: 1px solid var(--border); flex: 1; }

.error { color: var(--danger); }
.hidden { display: none; }