#level-groups:empty{min-height:100vh}.tg-group{margin-top:18px}.tg-group:first-child{margin-top:12px}.tg-group-title{color:var(--fg-subtle);text-transform:uppercase;letter-spacing:.05em;margin-bottom:8px;font-size:.78rem;font-weight:800}.tg-level-grid{grid-template-columns:repeat(5,1fr);gap:8px;display:grid}.tg-level-btn{aspect-ratio:1;border-radius:var(--r-md);border:1.5px solid var(--card-border);background:rgb(var(--ink) / .04);color:var(--fg);cursor:pointer;transition:border-color .12s, background .12s, transform .15s var(--ease);place-items:center;font-family:inherit;font-size:1rem;font-weight:800;display:grid}.tg-level-btn:hover:not(:disabled){border-color:var(--accent);background:#38bdf814;transform:translateY(-2px)}.tg-level-btn:active:not(:disabled){transform:scale(.97)}.tg-level-btn.solved{background:var(--accent-gradient);color:var(--on-accent);border-color:#0000}.tg-level-btn.locked{opacity:.45;cursor:not-allowed;font-size:1.1rem}.tg-clue{text-align:center;margin:10px 0 6px;font-size:clamp(2.4rem,14vw,3.2rem);line-height:1.2}.tg-hint-category{text-align:center;color:var(--fg-muted);margin-bottom:18px;font-size:.85rem;font-weight:600}.tg-letters{flex-wrap:wrap;justify-content:center;gap:6px;margin-bottom:20px;display:flex}.tg-letter-box{border-bottom:2.5px solid var(--card-border);width:30px;height:36px;color:var(--fg);text-transform:uppercase;place-items:center;font-size:1rem;font-weight:800;display:grid}.tg-letter-box.revealed{border-color:var(--accent);color:var(--accent-hover)}.tg-letter-gap{width:14px}.tg-answer-row{gap:8px;display:flex}.tg-answer-row .input{flex:1}