:root {
  color-scheme: light;
  --bg: #f4f7f6;
  --fg: #12333d;
  --primary: #0d4758;
  --primary-dark: #082e38;
  --accent: #ffb03b;
  --card-bg: #ffffff;
  --border: #d7e0e0;
  --danger: #b3261e;
  font-size: 16px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--fg);
  padding-bottom: env(safe-area-inset-bottom);
}

.app-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 1rem 0.5rem;
  background: var(--primary);
  color: white;
}

.app-header h1 {
  margin: 0;
  font-size: 1.4rem;
}

.tagline {
  margin: 0.15rem 0 0;
  font-size: 0.85rem;
  opacity: 0.9;
}

.logo {
  border-radius: 8px;
}

main {
  max-width: 640px;
  margin: 0 auto;
  padding: 1rem;
}

.screen h2 {
  font-size: 1.1rem;
  margin-top: 1.25rem;
}

.hint {
  color: #4a6068;
  font-size: 0.9rem;
}

.interest-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 0.4rem;
  margin: 0.75rem 0;
}

.interest-grid label {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.5rem 0.6rem;
  font-size: 0.9rem;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin: 1rem 0;
}

button {
  font: inherit;
  border-radius: 999px;
  padding: 0.7rem 1.2rem;
  border: none;
  cursor: pointer;
}

button.primary {
  background: var(--primary);
  color: white;
}

button.secondary {
  background: white;
  color: var(--primary);
  border: 1px solid var(--primary);
}

button.link-button {
  background: none;
  border: none;
  color: var(--primary);
  padding: 0.4rem 0;
  text-decoration: underline;
}

.error {
  color: var(--danger);
  background: #fdecea;
  border: 1px solid #f3b5b0;
  border-radius: 8px;
  padding: 0.6rem 0.8rem;
  font-size: 0.9rem;
}

.api-status {
  font-size: 0.75rem;
  color: #6b7c81;
}

.guide-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.position-status {
  font-size: 0.85rem;
  color: #4a6068;
  margin: 0;
}

.story-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1rem;
  margin: 1rem 0;
}

.story-card h3 {
  margin-top: 0;
}

.story-card .summary {
  color: #33474d;
}

.story-card .distance {
  font-size: 0.8rem;
  color: #6b7c81;
}

.voice-settings {
  margin-top: 0.75rem;
  font-size: 0.85rem;
}

.voice-settings label {
  display: block;
  margin: 0.4rem 0;
}

.sources {
  font-size: 0.75rem;
  color: #6b7c81;
  word-break: break-word;
}

.story-list {
  list-style: none;
  padding: 0;
  margin: 0.5rem 0 2rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.story-list li {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0.7rem 0.9rem;
  cursor: pointer;
}

.story-list li.heard {
  opacity: 0.55;
}

.story-list li.active {
  border-color: var(--primary);
  box-shadow: 0 0 0 2px rgba(13, 71, 88, 0.15);
}

.story-list li h4 {
  margin: 0 0 0.2rem;
  font-size: 1rem;
}

.story-list li p {
  margin: 0;
  font-size: 0.85rem;
  color: #4a6068;
}

.story-meta {
  font-size: 0.75rem;
  color: #6b7c81;
}

footer {
  max-width: 640px;
  margin: 0 auto;
  padding: 1rem;
  font-size: 0.75rem;
  color: #6b7c81;
}