.puzzle-page { display: flex; flex-direction: column; align-items: center; background: linear-gradient(135deg, #ffe6ef 0%, #ffd1e3 50%, #f8c8dc 100%); min-height: 100vh; padding: 1.5rem 1rem; }
.puzzle-title { font-size: 1.75rem; color: #ff6b9d; margin-bottom: 0.25rem; text-align: center; font-weight: 700; }
.puzzle-subtitle { font-size: 0.95rem; color: #c95b93; margin-bottom: 1.25rem; text-align: center; }
.puzzle-level { font-size: 1.1rem; color: #c95b93; margin-bottom: 1.25rem; font-weight: 700; }
.puzzle-container { display: flex; gap: 1.5rem; align-items: center; justify-content: center; flex-wrap: wrap; width: 100%; max-width: 960px; margin-bottom: 1.25rem; }
.puzzle-preview { width: 100%; max-width: 220px; padding: 0.75rem; background: #fff; border-radius: 1rem; box-shadow: 0 6px 20px rgba(255,107,157,0.15); position: relative; }
.puzzle-preview::before { content: ''; position: absolute; inset: -3px; background: linear-gradient(135deg, #ff9abc, #ff6b9d, #c95b93); border-radius: 1rem; z-index: -1; }
.puzzle-preview img { width: 100%; height: auto; border-radius: 0.75rem; display: block; }
#puzzleBoard { width: 90vw; max-width: 420px; display: grid; gap: 0; background: #ffe6ef; padding: 0; border-radius: 0.75rem; box-shadow: 0 8px 20px rgba(255,107,157,0.2); }
.puzzle-piece { aspect-ratio: 1/1; background-repeat: no-repeat; border: none; border-radius: 0; cursor: pointer; transition: transform 0.15s; }
.puzzle-piece:hover { transform: scale(1.03); }
.puzzle-piece.selected { outline: 3px solid #ff4d94; outline-offset: -2px; }
.puzzle-actions { display: flex; gap: 1rem; margin-bottom: 1.25rem; flex-wrap: wrap; justify-content: center; }
.puzzle-btn { padding: 0.75rem 1.75rem; font-size: 1rem; font-weight: 700; border: none; border-radius: 0.75rem; cursor: pointer; transition: transform 0.15s; }
.puzzle-btn:hover { transform: translateY(-2px); }
.puzzle-btn.shuffle { background: linear-gradient(135deg, #ff9abc, #ff6b9d); color: #fff; }
.puzzle-btn.next { background: linear-gradient(135deg, #c95b93, #a64d84); color: #fff; display: none; }
.puzzle-btn.back { background: #fff; color: #c95b93; border: 1px solid #ff6b9d; }
.puzzle-levels { display: grid; grid-template-columns: repeat(8, 1fr); gap: 0.6rem; max-width: 900px; width: 100%; padding: 1rem; background: rgba(255,255,255,0.4); border-radius: 1rem; box-shadow: 0 4px 15px rgba(255,107,157,0.1); }
.puzzle-level-btn { padding: 0.75rem 0.25rem; border-radius: 0.75rem; border: none; background: linear-gradient(135deg, #ffcfe4, #ffc0e0); color: #d95a8f; font-weight: 700; font-size: 0.85rem; cursor: pointer; transition: all 0.2s; box-shadow: 0 3px 8px rgba(255,107,157,0.15); white-space: nowrap; }
.puzzle-level-btn:hover { background: linear-gradient(135deg, #ff84b4, #ff6b9d); color: #fff; transform: scale(1.05); }
.puzzle-level-btn.active { background: linear-gradient(135deg, #ff6b9d, #ff4d94); color: #fff; box-shadow: 0 5px 12px rgba(255,107,157,0.4); transform: scale(1.03); }
@media (max-width: 768px) {
    .puzzle-levels { grid-template-columns: repeat(4, 1fr); }
    .puzzle-container { gap: 1rem; }
}
@media (max-width: 400px) {
    .puzzle-levels { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 600px) {
    .puzzle-page { padding: 1rem 0.75rem; }
    .puzzle-title { font-size: 1.35rem; }
    .puzzle-subtitle { font-size: 0.85rem; margin-bottom: 1rem; }
    .puzzle-container { flex-direction: column; gap: 0.75rem; }
    .puzzle-preview { max-width: 160px; padding: 0.5rem; }
    #puzzleBoard { width: 100%; max-width: 100%; }
    .puzzle-actions { width: 100%; gap: 0.5rem; }
    .puzzle-btn { flex: 1; min-width: 0; padding: 0.65rem 0.75rem; font-size: 0.85rem; }
    .puzzle-levels { grid-template-columns: repeat(2, 1fr); gap: 0.5rem; padding: 0.75rem; }
    .puzzle-level-btn { padding: 0.55rem 0.25rem; font-size: 0.75rem; }
}