:root {
  color-scheme: light dark;
  --bg: #f7f6f3;
  --card: #ffffff;
  --text: #1f2320;
  --muted: #6b7268;
  --accent: #3f7d5c;
  --accent-dim: #e4efe8;
  --danger: #b3543f;
  --border: #e2ddd3;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14161a;
    --card: #1d2025;
    --text: #eceae5;
    --muted: #9aa19b;
    --accent: #6fbf94;
    --accent-dim: #1f2e26;
    --danger: #d97f6a;
    --border: #2a2d33;
  }
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
}

header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--border);
}

header h1 {
  font-size: 1.15rem;
  margin: 0;
}

nav a {
  color: var(--muted);
  text-decoration: none;
  margin-left: 1rem;
  font-size: 0.9rem;
}

nav a.active,
nav a:hover {
  color: var(--accent);
}

main {
  max-width: 640px;
  margin: 0 auto;
  padding: 2rem 1.5rem 4rem;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 2rem;
  text-align: center;
}

.phrase {
  font-size: 1.6rem;
  font-weight: 600;
  margin-bottom: 1rem;
}

.notes {
  color: var(--muted);
  min-height: 1.5rem;
  margin-bottom: 1.5rem;
  white-space: pre-wrap;
}

.hidden {
  visibility: hidden;
}

button {
  font: inherit;
  border: none;
  border-radius: 8px;
  padding: 0.6rem 1.1rem;
  cursor: pointer;
}

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

.btn-secondary {
  background: var(--accent-dim);
  color: var(--accent);
}

.btn-danger {
  background: transparent;
  color: var(--danger);
  border: 1px solid var(--danger);
}

.rating-row {
  display: flex;
  gap: 0.75rem;
  justify-content: center;
}

.progress {
  color: var(--muted);
  font-size: 0.85rem;
  margin-bottom: 1rem;
}

.empty-state {
  text-align: center;
  color: var(--muted);
  padding: 3rem 1rem;
}

form.add-form {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.25rem;
  margin-bottom: 2rem;
}

form.add-form input,
form.add-form textarea {
  font: inherit;
  padding: 0.55rem 0.7rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg);
  color: var(--text);
}

table {
  width: 100%;
  border-collapse: collapse;
}

th, td {
  text-align: left;
  padding: 0.6rem 0.5rem;
  border-bottom: 1px solid var(--border);
  font-size: 0.9rem;
}

th {
  color: var(--muted);
  font-weight: 500;
}

.badge {
  display: inline-block;
  background: var(--accent-dim);
  color: var(--accent);
  border-radius: 999px;
  padding: 0.1rem 0.6rem;
  font-size: 0.75rem;
}

.row-actions button {
  padding: 0.35rem 0.7rem;
  font-size: 0.8rem;
}