.tt-wrapper{font-family:’Segoe UI’,system-ui,-apple-system,sans-serif;max-width:900px;margin:0 auto;padding:20px;color:#2c3e50} .tt-wrapper *{box-sizing:border-box} .tt-nav{display:flex;gap:10px;margin-bottom:30px;flex-wrap:wrap;justify-content:center} .tt-nav-btn{padding:12px 28px;border:2px solid #3498db;background:#fff;color:#3498db;border-radius:8px;cursor:pointer;font-size:16px;font-weight:600;transition:all .3s} .tt-nav-btn:hover,.tt-nav-btn.active{background:#3498db;color:#fff} .tt-section{display:none}.tt-section.active{display:block} .tt-hero{text-align:center;margin-bottom:25px} .tt-hero h2{font-size:28px;color:#2c3e50;margin:0 0 8px} .tt-hero p{color:#7f8c8d;font-size:16px;margin:0} .tt-controls{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin-bottom:20px} .tt-control-group{display:flex;gap:6px;align-items:center} .tt-control-label{font-weight:600;color:#555;margin-right:4px;font-size:14px} .tt-btn{padding:8px 18px;border:2px solid #ddd;background:#fff;border-radius:6px;cursor:pointer;font-size:14px;transition:all .2s} .tt-btn:hover{border-color:#3498db;color:#3498db} .tt-btn.active{background:#3498db;color:#fff;border-color:#3498db} .tt-text-display{background:#f8f9fa;border:2px solid #e9ecef;border-radius:12px;padding:25px;font-size:20px;line-height:1.8;margin-bottom:20px;min-height:120px;user-select:none} .tt-char.correct{color:#27ae60}.tt-char.incorrect{color:#e74c3c;background:#fde8e8;border-radius:2px}.tt-char.current{border-bottom:2px solid #3498db} .tt-input{width:100%;padding:15px 20px;font-size:18px;border:2px solid #ddd;border-radius:10px;outline:none;transition:border-color .3s;font-family:inherit} .tt-input:focus{border-color:#3498db;box-shadow:0 0 0 3px rgba(52,152,219,.1)} .tt-input:disabled{background:#f5f5f5} .tt-stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(120px,1fr));gap:15px;margin:20px 0} .tt-stat-card{background:#fff;border:2px solid #e9ecef;border-radius:10px;padding:15px;text-align:center} .tt-stat-value{font-size:32px;font-weight:700;color:#3498db} .tt-stat-label{font-size:12px;color:#95a5a6;text-transform:uppercase;letter-spacing:1px;margin-top:4px} .tt-timer{font-size:48px;font-weight:700;text-align:center;color:#3498db;margin:10px 0} .tt-timer.warning{color:#e67e22}.tt-timer.danger{color:#e74c3c} .tt-start-btn{display:block;margin:20px auto;padding:14px 40px;background:#3498db;color:#fff;border:none;border-radius:10px;font-size:18px;font-weight:600;cursor:pointer;transition:background .3s} .tt-start-btn:hover{background:#2980b9} .tt-results{text-align:center;background:linear-gradient(135deg,#f8f9fa,#e9ecef);border-radius:12px;padding:30px;margin-top:20px} .tt-results h3{font-size:24px;margin:0 0 20px;color:#2c3e50} .tt-ad-space{background:#f0f0f0;border:2px dashed #ccc;border-radius:8px;padding:20px;text-align:center;color:#999;margin:30px 0;min-height:90px;display:flex;align-items:center;justify-content:center;font-size:14px} .tt-lesson-card{background:#fff;border:2px solid #e9ecef;border-radius:12px;padding:25px;margin-bottom:20px} .tt-lesson-card h3{color:#2c3e50;margin:0 0 10px}.tt-lesson-card p{color:#666;line-height:1.6} .tt-keyboard{display:flex;flex-direction:column;align-items:center;gap:6px;margin:20px 0} .tt-kb-row{display:flex;gap:4px} .tt-key{width:42px;height:42px;border:2px solid #ddd;border-radius:6px;display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:600;background:#fff;color:#555} .tt-key.home{background:#ebf5fb;border-color:#3498db;color:#3498db} .tt-key.space{width:240px} .tt-progress-bar{width:100%;height:8px;background:#e9ecef;border-radius:4px;overflow:hidden;margin:10px 0} .tt-progress-fill{height:100%;background:#3498db;border-radius:4px;transition:width .3s} .tt-lesson-nav{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:20px;justify-content:center} @media(max-width:600px){.tt-wrapper{padding:10px}.tt-text-display{font-size:16px;padding:15px}.tt-timer{font-size:36px}.tt-key{width:28px;height:28px;font-size:10px}.tt-key.space{width:140px}.tt-stat-value{font-size:24px}}