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p{color:#666;line-height:1.5}.lessons-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:20px;margin-top:20px}.missions-grid{display:grid;grid-template-columns:1fr;gap:20px;margin-top:20px;max-width:600px}@media (max-width: 768px){.dashboard-content{margin-left:0;padding:10px}.lessons-grid{grid-template-columns:1fr}.missions-grid{max-width:100%}}.auth-container{display:flex;justify-content:center;align-items:center;min-height:100vh;background-color:#f5f6fa;padding:20px}.auth-card{background-color:#fff;border-radius:8px;padding:30px;box-shadow:0 2px 10px #0000001a;width:100%;max-width:450px}.auth-header{margin-bottom:30px;text-align:center}.auth-header h1{margin:0 0 10px;color:#2c3e50;font-size:2rem}.auth-header p{color:#666;margin:0}.auth-form,.form-group{margin-bottom:20px}.form-group label{display:block;margin-bottom:8px;color:#2c3e50;font-weight:500}.form-group input{width:100%;padding:12px 15px;border:1px solid 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input{padding:10px 12px}.auth-button{padding:12px}}.lesson-module-page{max-width:800px;margin:0 auto;padding:20px}.lesson-header{margin-bottom:40px}.lesson-header h1{color:#2c3e50;margin-bottom:15px}.lesson-description{color:#666;font-size:1.1rem;line-height:1.6}.lesson-section{background-color:#fff;border-radius:8px;padding:25px;margin-bottom:30px;border:1px solid #e0e0e0}.lesson-section h2{color:#2c3e50;margin-bottom:15px}.lesson-section p{color:#666;margin-bottom:25px;line-height:1.6}.exercises{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:20px}.exercise-card{background-color:#f9f9f9;border-radius:8px;padding:20px;display:flex;align-items:flex-start;gap:15px;border:1px solid #e0e0e0}.exercise-icon{background-color:#e1f0fa;border-radius:8px;padding:12px;display:flex;align-items:center;justify-content:center}.exercise-icon svg{width:24px;height:24px;color:#53baff}.exercise-content{flex:1}.exercise-content h3{color:#2c3e50;margin:0 0 10px;font-size:1rem}.start-exercise{background-color:#53baff;color:#fff;border:none;padding:8px 16px;border-radius:4px;font-size:.9rem;cursor:pointer;transition:background-color .2s ease}.start-exercise:hover{background-color:#4a90e2}@media (max-width: 768px){.lesson-module-page{padding:15px}.exercises{grid-template-columns:1fr}}