.panel.svelte-rkvyqj{max-width:500px;margin:2rem auto;padding:1.5rem;border:1px solid #bbb;border-radius:8px;background:#f8f8ff;transition:opacity .3s}.panel.hidden.svelte-rkvyqj{display:none}label.svelte-rkvyqj{display:block;margin-bottom:1rem}input.svelte-rkvyqj,select.svelte-rkvyqj{margin-left:.5rem;padding:.3rem .7rem;font-size:1rem}button.svelte-rkvyqj{padding:.5rem 1.5rem;font-size:1rem;border-radius:4px;border:1px solid #888;background:#e0e0e0;cursor:pointer;margin-top:1rem}button.svelte-rkvyqj:disabled{opacity:.6;cursor:not-allowed}.operations-section.svelte-rkvyqj,.range-section.svelte-rkvyqj,.timer-section.svelte-rkvyqj{margin:1.5rem 0;padding:1rem;border:1px solid #ddd;border-radius:4px}h4.svelte-rkvyqj{margin:0 0 1rem;font-size:1.1rem}.checkbox-label.svelte-rkvyqj,.radio-label.svelte-rkvyqj{display:flex;align-items:center;margin-bottom:.5rem;cursor:pointer}.checkbox-label.svelte-rkvyqj input:where(.svelte-rkvyqj),.radio-label.svelte-rkvyqj input:where(.svelte-rkvyqj){margin-right:.5rem}.loading-container.svelte-rkvyqj{position:fixed;top:0;left:0;width:100vw;height:100vh;display:flex;flex-direction:column;justify-content:center;align-items:center;background:#ffffffe6;z-index:1000}.spinner.svelte-rkvyqj{width:50px;height:50px;border:5px solid #f3f3f3;border-top:5px solid #3498db;border-radius:50%;animation:svelte-rkvyqj-spin 1s linear infinite;margin-bottom:2rem}.loading-message.svelte-rkvyqj{font-size:1.2rem;color:#333;text-align:center;max-width:80%;animation:svelte-rkvyqj-fadeInOut 3s ease infinite}@keyframes svelte-rkvyqj-spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}@keyframes svelte-rkvyqj-fadeInOut{0%{opacity:.5}50%{opacity:1}to{opacity:.5}}.time-input-label.svelte-rkvyqj{margin-top:.5rem;display:flex;align-items:center;gap:.5rem}.time-input-label.svelte-rkvyqj input:where(.svelte-rkvyqj){width:80px}.game-container.svelte-qdxje0{position:fixed;top:0;left:0;width:100vw;height:100vh;background-repeat:no-repeat;background-color:#000;background-position:center;background-size:contain;display:flex;justify-content:center;align-items:center;overflow:hidden}.blur-circles.svelte-qdxje0{position:absolute;top:0;left:0;width:100%;height:100%;pointer-events:none}.blur-circle.svelte-qdxje0{position:absolute;border-radius:50%;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);transition:all 1s ease;transform:translate(-50%,-50%)}.blur-circle.revealed.svelte-qdxje0{-webkit-backdrop-filter:blur(0);backdrop-filter:blur(0)}.problem-container.svelte-qdxje0{background:#ffffffe6;padding:2rem;border-radius:8px;box-shadow:0 4px 6px #0000001a;width:90%;max-width:500px;position:relative;z-index:1;transition:opacity .5s ease,transform .5s ease}.problem-container.fade-out.svelte-qdxje0{opacity:0;transform:translateY(20px);pointer-events:none}.progress-bar.svelte-qdxje0{width:100%;height:10px;background:#eee;border-radius:5px;margin-bottom:1rem;overflow:hidden}.progress.svelte-qdxje0{height:100%;background:#4caf50;transition:width .3s ease}.problem.svelte-qdxje0{text-align:center;margin-bottom:2rem}.problem.svelte-qdxje0 h2:where(.svelte-qdxje0){font-size:2rem;margin-bottom:1.5rem}.answers.svelte-qdxje0{display:flex;flex-direction:column;gap:1rem;margin-bottom:1.5rem}.answers.svelte-qdxje0 button:where(.svelte-qdxje0){padding:1rem;font-size:1.2rem;border:2px solid #ddd;border-radius:8px;background:#fff;cursor:pointer;transition:all .2s}.answers.svelte-qdxje0 button:where(.svelte-qdxje0):hover:not(:disabled){background:#f0f0f0;transform:translateY(-2px)}.answers.svelte-qdxje0 button:where(.svelte-qdxje0):disabled{cursor:not-allowed}.answers.svelte-qdxje0 button.correct:where(.svelte-qdxje0){background:#4caf50;color:#fff;border-color:#4caf50}.answers.svelte-qdxje0 button.incorrect:where(.svelte-qdxje0){background:#f44336;color:#fff;border-color:#f44336}.next-button.svelte-qdxje0{padding:.8rem 2rem;font-size:1.2rem;background:#4caf50;color:#fff;border:none;border-radius:4px;cursor:pointer;margin-top:1rem}.next-button.svelte-qdxje0:hover{background:#45a049}.feedback.svelte-qdxje0{font-size:1.2rem;margin:1rem 0;font-weight:700}.feedback.correct.svelte-qdxje0{color:#4caf50}.explanation.svelte-qdxje0{margin:1rem 0;color:#666;font-style:italic}.stats.svelte-qdxje0{display:flex;justify-content:space-between;font-size:1.1rem;color:#666;margin-top:2rem;padding-top:1rem;border-top:1px solid #ddd}.final-score.svelte-qdxje0{margin-top:2rem;padding:1.5rem;background:#f8f8f8;border-radius:8px;text-align:center}.final-score.svelte-qdxje0 h3:where(.svelte-qdxje0){margin:0 0 1rem;color:#333}.score-text.svelte-qdxje0{font-size:2.5rem;font-weight:700;color:#4caf50;margin:1rem 0}.view-image-button.svelte-qdxje0{padding:1rem 2rem;font-size:1.2rem;background:#2196f3;color:#fff;border:none;border-radius:4px;cursor:pointer;transition:background-color .3s}.view-image-button.svelte-qdxje0:hover{background:#1976d2}.timer.svelte-qdxje0{font-size:1.2rem;margin-bottom:1rem;padding:.5rem;background:#e0e0e0;border-radius:4px;transition:all .3s}.timer.warning.svelte-qdxje0{background:#ffebee;color:#d32f2f;animation:svelte-qdxje0-pulse 1s infinite}@keyframes svelte-qdxje0-pulse{0%{opacity:1}50%{opacity:.7}to{opacity:1}}main.svelte-1xi31po{padding:1rem;max-width:1200px;margin:0 auto}button.svelte-1xi31po{display:block;margin:2rem auto;padding:1rem 2rem;font-size:1.2rem;background:#4caf50;color:#fff;border:none;border-radius:4px;cursor:pointer;transition:background-color .3s}button.svelte-1xi31po:hover{background:#45a049}