:root {
  --bg: #ffffff;
  --fg: #1a1a1a;
  --muted: #6b7280;
  --border: #d1d5db;
  --accent: #16a34a;
  --live: #dc2626;
  --card-bg: #f9fafb;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #121212;
    --fg: #f3f4f6;
    --muted: #9ca3af;
    --border: #374151;
    --accent: #4ade80;
    --live: #f87171;
    --card-bg: #1e1e1e;
  }
}

* {
  box-sizing: border-box;
}

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

main {
  max-width: 480px;
  margin: 0 auto;
  padding: 2rem 1.25rem 4rem;
}

h1 {
  margin: 0 0 0.5rem;
}

.intro {
  color: var(--muted);
  line-height: 1.5;
}

form {
  margin-top: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

label {
  font-weight: 600;
}

input[type='tel'] {
  font-size: 1.1rem;
  padding: 0.6rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--card-bg);
  color: var(--fg);
}

.hint {
  margin: 0;
  font-size: 0.85rem;
  color: var(--muted);
}

button {
  font-size: 1rem;
  padding: 0.65rem 1rem;
  border: none;
  border-radius: 8px;
  background: var(--accent);
  color: #052e16;
  font-weight: 600;
  cursor: pointer;
}

button#change-number {
  background: transparent;
  color: var(--muted);
  border: 1px solid var(--border);
  margin-top: 1.5rem;
}

#result {
  margin-top: 2rem;
}

#categories {
  list-style: none;
  padding: 0;
  margin: 1rem 0;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

#categories li {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0.85rem 1rem;
  background: var(--card-bg);
}

.category-label {
  font-weight: 600;
}

.category-status {
  margin-top: 0.35rem;
  color: var(--muted);
  font-size: 0.95rem;
}

.category-status.is-live {
  color: var(--live);
  font-weight: 600;
}

.score-line {
  margin-top: 0.35rem;
  font-size: 1.05rem;
}

.polling-note {
  color: var(--muted);
  font-size: 0.85rem;
}

.error {
  margin-top: 1.5rem;
  color: var(--live);
}