#aula-guide[hidden]{display:none}.guide-shade{position:fixed;inset:0;background:#112d4540;z-index:1000}.guide-highlight{position:fixed;z-index:1001;border:3px solid #e2a538;border-radius:10px;pointer-events:none;box-shadow:0 0 0 5px #fff9;animation:guide-pulse 1.8s ease-in-out infinite}.guide-panel{position:fixed;z-index:1002;bottom:16px;right:16px;width:min(440px,calc(100vw - 32px));max-height:48vh;overflow:auto;background:#fff;border:1px solid #b3c8d5;border-radius:14px;padding:18px 22px;box-shadow:0 10px 45px #102e4550;font-size:14px}.guide-panel h2{font-size:20px;margin:4px 0 10px}.guide-panel p{line-height:1.6;margin:8px 0 12px}.guide-top{display:flex;align-items:center;justify-content:space-between;color:#587086;font-size:12px}.guide-top button{font-size:23px;padding:0 10px;border:0}.guide-actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px}.guide-actions button{padding:9px 12px;font-size:13px}.guide-preference{display:flex;align-items:center;gap:8px;margin:12px 0 6px}.guide-preference input{width:18px;height:18px;flex-shrink:0}.guide-panel details{margin:8px 0;font-size:13px}.guide-panel small{font-size:11px;display:block;line-height:1.4}body.guide-open{padding-bottom:50vh}#open-guide{font-size:13px;border-color:#91b4c8}.guide-panel :focus-visible{outline:3px solid #3982ab;outline-offset:3px}@keyframes guide-pulse{50%{box-shadow:0 0 0 8px #ffffffb0}}@media(max-width:650px){.guide-panel{right:8px;bottom:8px;width:calc(100vw - 16px);padding:12px 16px;max-height:48vh}.guide-panel h2{font-size:18px}.guide-panel p{font-size:13px;margin:6px 0 8px}.guide-actions button{min-height:40px}.guide-preference{font-size:11px}}@media(prefers-reduced-motion:reduce){.guide-highlight{animation:none}html{scroll-behavior:auto}}@media print{#aula-guide,#open-guide{display:none}}