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var(--border-color);z-index:1000}.back-link{color:var(--harvest);text-decoration:none;font-weight:600;font-size:1rem;transition:opacity var(--transition-base)}.back-link:hover{opacity:.8}.theme-toggle-simple{background:transparent;border:2px solid var(--border-color);padding:.5rem;border-radius:8px;cursor:pointer;font-size:1.25rem;transition:all var(--transition-base);display:flex;align-items:center;justify-content:center}.theme-toggle-simple:hover{border-color:var(--harvest);transform:scale(1.1)}[data-theme=light] .theme-toggle-simple{border-color:#8b7640;color:#2c2a28}[data-theme=light] .theme-toggle-simple:hover{border-color:#b8691a}.info-panel{position:fixed;bottom:var(--spacing-xl);left:50%;transform:translate(-50%);background:#0d0b09e6;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border:2px solid var(--border-color);border-radius:12px;padding:var(--spacing-lg);text-align:center;z-index:100;max-width:500px;pointer-events:none}.info-panel h1{font-size:1.5rem;font-weight:700;letter-spacing:.1em;color:var(--harvest);margin:0 0 .5rem;text-transform:uppercase}.info-panel p{font-size:.875rem;color:var(--text-secondary);margin:0 0 1rem}.controls-info{display:flex;flex-direction:column;gap:.5rem;border-top:1px solid var(--border-color);padding-top:1rem;margin-top:1rem}.controls-info p{font-size:.75rem;margin:0;color:var(--text-primary)}.controls-info strong{color:var(--harvest);font-weight:600}@media (max-width: 768px){.tesseract-header{padding:0 var(--spacing-md)}.info-panel{bottom:var(--spacing-lg);left:var(--spacing-md);right:var(--spacing-md);transform:none;padding:var(--spacing-md)}.info-panel h1{font-size:1.25rem}.info-panel p{font-size:.75rem}.controls-info p{font-size:.625rem}}