*{margin:0;padding:0;box-sizing:border-box;}body{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Oxygen,Ubuntu,Cantarell,'Open Sans','Helvetica Neue',sans-serif;line-height:1.6;color:#333;background-color:#f8f9fa;transition:background-color 0.3s ease,color 0.3s ease;}body.dark-mode{background-color:#1a1a1a;color:#e0e0e0;}.container{max-width:1200px;margin:0 auto;padding:20px;min-height:100vh;display:flex;flex-direction:column;}header{margin-bottom:30px;padding:20px 0;}.header-content{display:flex;justify-content:space-between;align-items:flex-start;}.title-section{flex-grow:1;}.title-section h1{font-size:2.5rem;font-weight:700;color:#2c3e50;margin-bottom:10px;transition:color 0.3s ease;}body.dark-mode .title-section h1{color:#e0e0e0;}.title-section p{font-size:1.2rem;color:#7f8c8d;transition:color 0.3s ease;}body.dark-mode .title-section p{color:#b0b0b0;}.header-controls{display:flex;gap:15px;align-items:flex-start;}.theme-switcher{position:relative;}.theme-button{background-color:#fff;border:1px solid #ddd;border-radius:50%;width:40px;height:40px;cursor:pointer;transition:all 0.3s ease;box-shadow:0 2px 4px rgba(0,0,0,0.1);display:flex;align-items:center;justify-content:center;}body.dark-mode .theme-button{background-color:#333;border-color:#555;}.theme-button:hover{background-color:#f1f8ff;box-shadow:0 4px 8px rgba(0,0,0,0.15);}body.dark-mode .theme-button:hover{background-color:#444;}.theme-icon{font-size:1.2rem;transition:transform 0.3s ease;}.theme-button:hover .theme-icon{transform:rotate(15deg);}.language-switcher{position:relative;}.dropdown{position:relative;display:inline-block;}.lang-button{background-color:#fff;border:1px solid #ddd;border-radius:20px;padding:8px 16px;font-size:0.9rem;font-weight:500;color:#2c3e50;cursor:pointer;transition:all 0.3s ease;box-shadow:0 2px 4px rgba(0,0,0,0.1);display:flex;align-items:center;gap:8px;}body.dark-mode .lang-button{background-color:#333;border-color:#555;color:#e0e0e0;}.lang-button:hover{background-color:#f1f8ff;border-color:#3498db;color:#3498db;box-shadow:0 4px 8px rgba(0,0,0,0.15);}body.dark-mode .lang-button:hover{background-color:#444;border-color:#5aaefe;color:#5aaefe;}.arrow{font-size:0.7rem;transition:transform 0.3s ease;}.arrow.rotated{transform:rotate(180deg);}.dropdown-content{display:none;position:absolute;right:0;background-color:#fff;min-width:160px;box-shadow:0 8px 16px rgba(0,0,0,0.15);border-radius:8px;z-index:1;top:100%;margin-top:5px;overflow:hidden;}body.dark-mode .dropdown-content{background-color:#333;box-shadow:0 8px 16px rgba(0,0,0,0.3);}.dropdown-content a{color:#333;padding:12px 16px;text-decoration:none;display:block;font-size:0.9rem;transition:background-color 0.2s ease;}body.dark-mode .dropdown-content a{color:#e0e0e0;}.dropdown-content a:hover{background-color:#f1f8ff;}body.dark-mode .dropdown-content a:hover{background-color:#444;}.dropdown-content a.active{background-color:#3498db;color:white;}body.dark-mode .dropdown-content a.active{background-color:#2980b9;}.dropdown:hover .dropdown-content{display:block;}.dropdown:hover .arrow{transform:rotate(180deg);}main{flex-grow:1;}.description{background-color:white;border-radius:8px;padding:25px;margin-bottom:30px;box-shadow:0 2px 10px rgba(0,0,0,0.1);transition:background-color 0.3s ease,box-shadow 0.3s ease;}body.dark-mode .description{background-color:#2d2d2d;box-shadow:0 2px 10px rgba(0,0,0,0.3);}.description h2{font-size:1.5rem;font-weight:600;color:#2c3e50;margin-bottom:15px;transition:color 0.3s ease;}body.dark-mode .description h2{color:#e0e0e0;}.description p{margin-bottom:15px;font-size:1rem;color:#555;transition:color 0.3s ease;}body.dark-mode .description p{color:#b0b0b0;}.description p:last-child{margin-bottom:0;}.input-section{margin-bottom:30px;}.input-section h2{font-size:1.3rem;font-weight:600;color:#2c3e50;margin-bottom:15px;transition:color 0.3s ease;}body.dark-mode .input-section h2{color:#e0e0e0;}#text-input{width:100%;min-height:200px;padding:20px;font-size:1.1rem;border:1px solid #ddd;border-radius:8px;resize:vertical;box-shadow:0 2px 5px rgba(0,0,0,0.1);transition:all 0.3s ease;margin-bottom:15px;background-color:#fff;color:#333;}body.dark-mode #text-input{background-color:#333;border-color:#555;color:#e0e0e0;box-shadow:0 2px 5px rgba(0,0,0,0.3);}#text-input:focus{outline:none;border-color:#3498db;box-shadow:0 2px 10px rgba(52,152,219,0.2);}body.dark-mode #text-input:focus{border-color:#5aaefe;box-shadow:0 2px 10px rgba(90,174,254,0.3);}.button-group{display:flex;gap:15px;flex-wrap:wrap;}.action-button{padding:16px 28px;font-size:1.1rem;font-weight:600;border:none;border-radius:8px;cursor:pointer;transition:all 0.3s ease;box-shadow:0 4px 8px rgba(0,0,0,0.2);min-width:140px;text-align:center;}body.dark-mode .action-button{box-shadow:0 4px 8px rgba(0,0,0,0.3);}.copy-button{background-color:#27ae60;color:white;flex:1;}.clear-button{background-color:#e74c3c;color:white;flex:1;}.copy-button:hover{background-color:#219653;box-shadow:0 6px 12px rgba(39,174,96,0.3);}.clear-button:hover{background-color:#c0392b;box-shadow:0 6px 12px rgba(231,76,60,0.3);}body.dark-mode .copy-button:hover{box-shadow:0 6px 12px rgba(39,174,96,0.5);}body.dark-mode .clear-button:hover{box-shadow:0 6px 12px rgba(231,76,60,0.5);}.action-button:active{transform:translateY(2px);box-shadow:0 2px 4px rgba(0,0,0,0.2);}body.dark-mode .action-button:active{box-shadow:0 2px 4px rgba(0,0,0,0.3);}.stats-section{background-color:white;border-radius:8px;padding:25px;box-shadow:0 2px 10px rgba(0,0,0,0.1);margin-bottom:30px;transition:background-color 0.3s ease,box-shadow 0.3s ease;}body.dark-mode .stats-section{background-color:#2d2d2d;box-shadow:0 2px 10px rgba(0,0,0,0.3);}.stats-section h2{font-size:1.3rem;font-weight:600;color:#2c3e50;margin-bottom:20px;text-align:center;transition:color 0.3s ease;}body.dark-mode .stats-section h2{color:#e0e0e0;}.stats-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:20px;}.stat-card{background-color:#f1f8ff;border-radius:6px;padding:20px;text-align:center;transition:transform 0.3s ease,box-shadow 0.3s ease,background-color 0.3s ease;}body.dark-mode .stat-card{background-color:#3a3a3a;}.stat-card:hover{transform:translateY(-3px);box-shadow:0 5px 15px rgba(0,0,0,0.1);}body.dark-mode .stat-card:hover{box-shadow:0 5px 15px rgba(0,0,0,0.3);}.stat-card.total{background-color:#2c3e50;color:white;grid-column:span 2;}body.dark-mode .stat-card.total{background-color:#22303c;}.stat-card h3{font-size:1rem;font-weight:600;margin-bottom:10px;color:#2c3e50;transition:color 0.3s ease;}body.dark-mode .stat-card h3{color:#e0e0e0;}.stat-card.total h3{color:white;}.stat-value{font-size:2rem;font-weight:700;transition:color 0.3s ease;}body.dark-mode .stat-value{color:#f0f0f0;}.stat-card.total .stat-value{color:#f1c40f;}footer{text-align:center;margin-top:auto;padding:20px 0;}.footer-content{border-top:1px solid #eee;padding-top:20px;transition:border-color 0.3s ease;}body.dark-mode .footer-content{border-color:#444;}.footer-content p{color:#7f8c8d;font-size:0.9rem;margin:5px 0;transition:color 0.3s ease;}body.dark-mode .footer-content p{color:#b0b0b0;}@media (max-width:768px){.container{padding:15px;}.header-content{flex-direction:column;align-items:center;text-align:center;}.header-controls{position:absolute;top:20px;right:20px;gap:10px;flex-direction:row;}.title-section{margin-bottom:15px;margin-top:50px;}.title-section h1{font-size:2rem;}.description{padding:20px;}.description h2{font-size:1.3rem;}.stats-grid{grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:15px;}.stat-card{padding:15px;}.stat-card.total{grid-column:span 1;}.stat-value{font-size:1.5rem;}.button-group{flex-direction:row;}.action-button{width:auto;flex:1;padding:14px 20px;font-size:1rem;min-width:auto;}}@media (max-width:480px){.container{padding:10px;}header{margin-bottom:20px;padding-top:20px;}.header-controls{top:15px;right:15px;z-index:100;}.theme-button{width:40px;height:40px;padding:8px;}.lang-button{padding:6px 12px;border-radius:16px;font-size:0.8rem;}.title-section{margin-top:40px;}.title-section h1{font-size:1.8rem;}.title-section p{font-size:1rem;}.description{padding:15px;}.description h2{font-size:1.2rem;}#text-input{min-height:150px;padding:15px;font-size:1rem;}.stats-section{padding:15px;}.stats-grid{grid-template-columns:repeat(2,1fr);}.stat-card{padding:10px;}.stat-card h3{font-size:0.9rem;}.stat-value{font-size:1.3rem;}.button-group{flex-direction:row;width:100%;}.action-button{padding:14px;font-size:0.95rem;flex:1;}footer{padding:15px 0;}}