*{box-sizing:border-box}body{margin:0;padding:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;background:#f0f4ff;color:#0d1b2a;min-height:100vh}.home-container{max-width:480px;margin:0 auto;padding:0 20px 40px;min-height:100vh;display:flex;flex-direction:column;align-items:center}.home-header{text-align:center;padding:48px 0 24px}.home-title{font-size:2.8rem;font-weight:900;letter-spacing:-1px;margin:0 0 4px;background:linear-gradient(135deg,#ff6b6b,#ffd166,#06d6a0);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.home-subtitle{font-size:.85rem;color:#6b7a99;margin:0;letter-spacing:.02em}.home-intro-card{background:#fff;border-radius:20px;padding:20px 24px;margin:4px 0 28px;width:100%;box-shadow:0 4px 24px #0d1b2a12;text-align:center}.home-intro-card p{margin:0 0 6px;font-size:.9rem;color:#3d4f6b;line-height:1.7}.home-intro-card p:last-child{margin:0;font-size:.75rem;color:#9aaabf}.home-levels-title{font-size:.75rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:#9aaabf;align-self:flex-start;margin-bottom:12px}.quiz-level-buttons{display:flex;flex-direction:column;align-items:stretch;gap:12px;width:100%}.quiz-button{display:flex;align-items:center;justify-content:space-between;padding:18px 22px;font-size:.95rem;font-weight:700;background:#fff;color:#0d1b2a;border:none;border-radius:16px;cursor:pointer;box-shadow:0 2px 12px #0d1b2a0f;transition:transform .15s ease,box-shadow .15s ease;text-align:left}.quiz-button:hover{transform:translateY(-2px);box-shadow:0 6px 24px #0d1b2a1f}.quiz-button:active{transform:translateY(0)}.quiz-button-badge{font-size:.75rem;font-weight:700;padding:4px 10px;border-radius:20px;white-space:nowrap;flex-shrink:0}.badge-1{background:#ffe5e5;color:#ff6b6b}.badge-2{background:#fff3d6;color:#f4a621}.badge-3{background:#d6f5ed;color:#06d6a0}.badge-4{background:#e5eeff;color:#4a90e2}.badge-5{background:#ede5ff;color:#9b5de5}.home-loading{color:#9aaabf;font-size:.9rem;margin:24px 0}.home-footer{margin-top:auto;padding-top:32px;display:flex;gap:8px;justify-content:center}.footer-button{padding:8px 16px;font-size:.75rem;font-weight:600;color:#9aaabf;background:transparent;border:none;border-radius:8px;cursor:pointer;transition:color .15s}.footer-button:hover{color:#6b7a99}.quiz-container{max-width:480px;margin:0 auto;padding:0 20px 40px;min-height:100vh}.quiz-top-bar{display:flex;align-items:center;padding:20px 0 16px;gap:12px}.quiz-back-btn{background:#fff;border:none;border-radius:10px;width:36px;height:36px;display:flex;align-items:center;justify-content:center;cursor:pointer;font-size:1rem;color:#6b7a99;box-shadow:0 2px 8px #0d1b2a14;flex-shrink:0;transition:background .15s}.quiz-back-btn:hover{background:#f0f4ff}.quiz-progress-wrap{flex:1}.quiz-progress-label{font-size:.7rem;font-weight:700;color:#9aaabf;letter-spacing:.05em;margin-bottom:5px}.quiz-progress-bar{height:6px;background:#e4eaf6;border-radius:3px;overflow:hidden}.quiz-progress-fill{height:100%;background:linear-gradient(90deg,#06d6a0,#4a90e2);border-radius:3px;transition:width .4s ease}.quiz-question-card{background:#fff;border-radius:24px;padding:28px 24px;margin-bottom:16px;box-shadow:0 4px 24px #0d1b2a12}.quiz-level-badge{display:inline-block;font-size:.7rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:#06d6a0;background:#d6f5ed;padding:4px 10px;border-radius:20px;margin-bottom:14px}.quiz-question-text{font-size:1.05rem;font-weight:700;line-height:1.6;color:#0d1b2a;margin:0}.answers-section{display:flex;flex-direction:column;gap:10px}.answer-button{width:100%;padding:16px 20px;font-size:.9rem;font-weight:600;text-align:left;background:#fff;color:#0d1b2a;border:2px solid #E4EAF6;border-radius:14px;cursor:pointer;transition:all .15s ease;line-height:1.4}.answer-button:hover:not(:disabled){border-color:#06d6a0;background:#f0fdf9;transform:translate(3px)}.answer-button.selected{border-color:#4a90e2;background:#eef4ff;color:#1a5db8}.answer-button.correct{border-color:#06d6a0;background:#d6f5ed;color:#047857}.answer-button.incorrect{border-color:#ff6b6b;background:#ffe5e5;color:#cc2b2b}.answer-button:disabled{cursor:default}.judge-banner{border-radius:14px;padding:14px 20px;font-size:1rem;font-weight:800;text-align:center;letter-spacing:.02em}.judge-banner.correct{background:linear-gradient(135deg,#06d6a0,#00b884);color:#fff}.judge-banner.incorrect{background:linear-gradient(135deg,#ff6b6b,#e84040);color:#fff}.explanation-card{background:#fff;border-radius:16px;padding:18px 20px;box-shadow:0 2px 12px #0d1b2a0f}.correct-answer-label{font-size:.75rem;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:#06d6a0;margin:0 0 6px}.correct-answer-text{font-size:.95rem;font-weight:700;color:#0d1b2a;margin:0 0 12px}.explanation-text{font-size:.875rem;color:#4a5568;line-height:1.7;margin:0}.next-button{width:100%;padding:17px;font-size:.95rem;font-weight:800;background:linear-gradient(135deg,#06d6a0,#4a90e2);color:#fff;border:none;border-radius:16px;cursor:pointer;transition:opacity .15s,transform .15s;letter-spacing:.02em}.next-button:hover{opacity:.92;transform:translateY(-1px)}.result-container{max-width:480px;margin:0 auto;padding:40px 20px;min-height:100vh;display:flex;flex-direction:column;align-items:center;text-align:center}.result-emoji{font-size:4rem;margin-bottom:16px}.result-title{font-size:1.3rem;font-weight:800;color:#0d1b2a;margin:0 0 24px}.result-score-card{background:#fff;border-radius:24px;padding:32px 40px;box-shadow:0 4px 24px #0d1b2a17;margin-bottom:24px;width:100%}.result-rate{font-size:5rem;font-weight:900;line-height:1;background:linear-gradient(135deg,#ff6b6b,#ffd166,#06d6a0);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;margin-bottom:8px}.result-detail{font-size:.9rem;color:#6b7a99;font-weight:600}.result-message{font-size:1rem;color:#3d4f6b;margin:0 0 32px;font-weight:600}.home-back{width:100%;padding:17px;font-size:.95rem;font-weight:800;background:#fff;color:#0d1b2a;border:2px solid #E4EAF6;border-radius:16px;cursor:pointer;transition:all .15s}.home-back:hover{border-color:#06d6a0;background:#f0fdf9}.static-page{max-width:480px;margin:0 auto;padding:24px 20px 40px;font-size:.9rem;line-height:1.8;color:#3d4f6b}.static-page h1{font-size:1.4rem;font-weight:800;color:#0d1b2a}.static-page button{display:inline-flex;align-items:center;gap:6px;background:none;border:none;color:#06d6a0;font-weight:700;font-size:.85rem;cursor:pointer;padding:0;margin-bottom:20px}