.levels { display: flex; gap: .5rem; flex-wrap: wrap; margin-bottom: 1.5rem; }
.levels button { font-size: .95rem; padding: .35rem .9rem; background: transparent; color: var(--ink); border: 2px solid var(--line); }
.levels button[aria-pressed="true"] { background: var(--accent); border-color: var(--accent); color: var(--bg); }
button.secondary { background: transparent; color: var(--accent); border: 2px solid var(--accent); }

#modes { margin-bottom: .75rem; }
.weak { display: inline-flex; align-items: center; gap: .5rem; color: var(--muted); margin-bottom: 1.25rem; cursor: pointer; }
.weak input { flex: none; width: 1.1rem; height: 1.1rem; accent-color: var(--accent); }
.progress { color: var(--muted); font-weight: 600; margin: 0 0 .5rem; }
.actions { display: flex; gap: .75rem; flex-wrap: wrap; margin-top: 1rem; }
.dash { margin-top: 2rem; }
#results h2 { margin: 0 0 .5rem; }
.big-score { font-size: 2.25rem; font-weight: 700; margin: 0 0 .5rem; }
#learn label { display: block; color: var(--muted); margin-bottom: .25rem; }
#learn select { width: 100%; font-size: 1.1rem; padding: .5rem; border: 2px solid var(--line); border-radius: 8px; background: var(--bg); color: inherit; }
#learn h3 { margin: 1.5rem 0 .25rem; font-size: 1rem; color: var(--accent); }
#learn p { margin: .25rem 0; }
.learn-q { font-size: 1.5rem; font-weight: 700; font-variant-numeric: tabular-nums; }
#learnSteps { padding-left: 1.25rem; font-variant-numeric: tabular-nums; }

.home { margin-bottom: 1rem; font-size: .95rem; padding: .35rem .9rem; }

/* ---- nicer buttons everywhere ---- */
button { border-radius: 10px; box-shadow: 0 1px 3px rgba(0, 0, 0, .2); transition: transform .1s, box-shadow .15s, filter .15s, border-color .15s; }
button:hover:not(:disabled) { filter: brightness(1.08); }
button:active:not(:disabled) { transform: translateY(1px) scale(.98); box-shadow: none; }
button:disabled { opacity: .45; cursor: not-allowed; box-shadow: none; }
button.secondary { box-shadow: none; }
button.secondary:hover:not(:disabled) { background: color-mix(in srgb, var(--accent) 12%, transparent); filter: none; }
.levels button { box-shadow: none; }
.levels button:hover:not([aria-pressed="true"]) { border-color: var(--accent); filter: none; }