:root {
  --bg: #0f1115;
  --bg-card: #181b22;
  --border: #262a33;
  --text: #e6e8ee;
  --text-dim: #8b91a0;
  --accent: #7aa2f7;
  --accent-soft: #2a3550;
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.5;
  min-height: 100vh;
}

.app {
  max-width: 640px;
  margin: 0 auto;
  padding: 3rem 1.5rem 2rem;
}

.app-header h1 {
  margin: 0 0 0.25rem;
  font-size: 2rem;
  letter-spacing: -0.01em;
}

.app-header .subtitle {
  margin: 0;
  color: var(--text-dim);
}

.habits {
  margin-top: 2.5rem;
}

.habits h2 {
  margin: 0 0 0.75rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

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

.habit {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.875rem 1rem;
}

.habit-name {
  font-weight: 500;
}

.habit-category {
  font-size: 0.75rem;
  color: var(--accent);
  background: var(--accent-soft);
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  letter-spacing: 0.02em;
}

.app-footer {
  margin-top: 3rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  color: var(--text-dim);
  font-size: 0.85rem;
}

.app-footer p {
  margin: 0;
}