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.15s;position:absolute;top:8px;right:8px}.diagram-fullscreen-btn:hover{background:#8a65084d;border-color:#8a6508}.interactive-diagram:fullscreen{background:#0f0b07}.interactive-diagram:fullscreen .interactive-excalidraw-canvas{min-height:calc(100vh - 120px)}.interactive-diagram:fullscreen .excalidraw-step-img{max-height:calc(100vh - 160px)}@media (width<=768px){.stepper-buttons{flex-wrap:wrap;gap:8px}.stepper-speed{order:3;justify-content:center;width:100%}.stepper-counter{order:2}.stepper-nav{order:1}}@media (width<=480px){.stepper-buttons{flex-direction:column;gap:8px}.stepper-nav{justify-content:center;width:100%}.stepper-counter{text-align:center}.stepper-speed{justify-content:center;width:100%}}.reading-nav-bar{background:var(--paper-dark,#2a2318);border-top:1px solid #8a650840;border-radius:0 0 4px 4px;flex-shrink:0;justify-content:space-between;align-items:center;padding:10px 20px;display:flex}.reading-nav-btn{color:#c4b78a;cursor:pointer;background:0 0;border:1px solid #8a65084d;border-radius:6px;align-items:center;gap:6px;max-width:40%;padding:8px 14px;font-family:inherit;font-size:.82rem;transition:all .2s;display:flex}.reading-nav-btn:hover{color:#e8d5a0;background:#8a650826;border-color:#b8860b}.reading-nav-btn:focus-visible{outline-offset:2px;outline:2px solid #d4a017}.reading-nav-arrow{flex-shrink:0;font-size:1.1rem}.reading-nav-label{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.reading-nav-btn.next .reading-nav-label{text-align:right}.reading-nav-spacer{flex:1}.reading-nav-indicator{color:#c4b78a80;font-variant:small-caps;letter-spacing:.05em;flex-shrink:0;font-size:.75rem}@media (width<=768px){.reading-nav-bar{padding:8px 12px}.reading-nav-btn{max-width:42%;padding:6px 10px;font-size:.75rem}.reading-nav-indicator{display:none}}