.app{width:100%;display:flex;flex-direction:column;justify-content:center;align-items:center;min-height:100vh;padding:2rem 1rem}.container{text-align:center;width:100%;max-width:600px}.title{font-size:3rem;margin-bottom:2rem;text-shadow:1px 1px 2px rgba(0,0,0,.1);font-weight:300;color:#34495e}.language-selector{margin-bottom:1.5rem;display:flex;justify-content:center;align-items:center;gap:.5rem}.language-selector label{font-size:1rem;color:#34495e;font-weight:500}.language-selector select{padding:.5rem 1rem;border-radius:20px;border:1px solid rgba(52,73,94,.2);background-color:#fffc;font-size:.9rem;color:#34495e;cursor:pointer;outline:none;transition:all .3s ease}.language-selector select:hover{border-color:#34495e66;background-color:#ffffffe6}.language-selector select:focus{border-color:#3498db;box-shadow:0 0 0 2px #3498db33}.notification-banner{background:linear-gradient(135deg,#f39c12,#e67e22);color:#fff;padding:1rem;border-radius:15px;margin-bottom:2rem;text-align:center;box-shadow:0 4px 15px #f39c124d;border:1px solid rgba(255,255,255,.2)}.notification-banner p{margin:0 0 1rem;font-size:1rem;font-weight:500}.notification-btn{background:rgba(255,255,255,.2);color:#fff;border:2px solid rgba(255,255,255,.3);padding:.75rem 1.5rem;border-radius:25px;font-size:1rem;font-weight:600;cursor:pointer;transition:all .3s ease;text-transform:uppercase;letter-spacing:1px}.notification-btn:hover{background:rgba(255,255,255,.3);border-color:#ffffff80;transform:translateY(-2px);box-shadow:0 4px 15px #0003}.notification-btn:active{transform:translateY(0)}.timer-card{background:rgba(255,255,255,.8);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-radius:20px;padding:2.5rem;margin-bottom:2rem;box-shadow:0 8px 32px #00000014;border:1px solid rgba(255,255,255,.9);transition:all .3s ease}.mode-display{font-size:1.8rem;font-weight:600;margin-bottom:1.5rem;text-transform:uppercase;letter-spacing:3px}.timer-display{font-size:6rem;font-weight:300;margin-bottom:2rem;font-family:Courier New,monospace;text-shadow:1px 1px 2px rgba(0,0,0,.1)}.progress-bar{width:100%;height:10px;background:rgba(52,73,94,.1);border-radius:5px;margin-bottom:2.5rem;overflow:hidden}.progress-fill{height:100%;transition:width .3s ease;border-radius:4px}.controls{display:flex;gap:1.5rem;justify-content:center;flex-wrap:wrap}.control-btn{padding:1.2rem 2.5rem;border:none;border-radius:50px;font-size:1.2rem;font-weight:600;cursor:pointer;transition:all .3s ease;color:#fff;text-transform:uppercase;letter-spacing:1px;min-width:120px;box-shadow:0 2px 10px #0000001a}.control-btn:hover{transform:translateY(-2px);box-shadow:0 4px 15px #00000026}.control-btn:active{transform:translateY(0)}.control-btn.start,.control-btn.pause{background:linear-gradient(135deg,#e74c3c,#c0392b)}.control-btn.reset{background:linear-gradient(135deg,#95a5a6,#7f8c8d)}.control-btn.skip{background:linear-gradient(135deg,#f39c12,#e67e22)}.stats{margin-bottom:2rem}.stat-item{display:flex;flex-direction:column;align-items:center;background:rgba(255,255,255,.6);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-radius:15px;padding:2rem;box-shadow:0 4px 15px #00000014;border:1px solid rgba(255,255,255,.8)}.stat-number{font-size:3.5rem;font-weight:700;color:#e67e22;text-shadow:1px 1px 2px rgba(0,0,0,.1)}.stat-label{font-size:1.1rem;opacity:.7;margin-top:.5rem;color:#34495e}.instructions{background:rgba(255,255,255,.6);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-radius:15px;padding:2rem;box-shadow:0 4px 15px #00000014;border:1px solid rgba(255,255,255,.8)}.instructions h3{margin-bottom:1.5rem;font-size:1.4rem;color:#e67e22}.instructions ul{list-style:none;padding:0;text-align:left}.instructions li{margin-bottom:.5rem;padding:.5rem;background:rgba(255,255,255,.4);border-radius:8px;font-size:1rem;color:#34495e;border:1px solid rgba(255,255,255,.6)}@media (min-width: 768px){.container{max-width:700px}}@media (min-width: 1024px){.container{max-width:800px}}@media (max-width: 480px){.title{font-size:2.5rem}.timer-display{font-size:4rem}.timer-card{padding:1.5rem}.controls{flex-direction:column;align-items:center}.control-btn{width:100%;max-width:200px}}.footer{margin-top:3rem;padding:2rem 1rem;background:rgba(255,255,255,.1);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-radius:15px;border:1px solid rgba(255,255,255,.2);box-shadow:0 8px 32px #0000001a}.footer-content{display:flex;flex-direction:column;align-items:center;gap:1rem}.footer-content p{margin:0;color:#34495e;font-size:1rem;font-weight:500}.github-link{display:inline-flex;align-items:center;gap:.5rem;color:#34495e;text-decoration:none;padding:.75rem 1.5rem;background:rgba(255,255,255,.3);border-radius:25px;border:1px solid rgba(255,255,255,.4);transition:all .3s ease;font-weight:500}.github-link:hover{background:rgba(255,255,255,.5);transform:translateY(-2px);box-shadow:0 4px 15px #0000001a;color:#2c3e50}@media (max-width: 480px){.footer{margin-top:2rem;padding:1.5rem 1rem}.footer-content{gap:.75rem}.footer-content p{font-size:.9rem}.github-link{font-size:.9rem;padding:.5rem 1rem}}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif;background:linear-gradient(135deg,#f5f7fa 0%,#c3cfe2 100%);min-height:100vh;display:flex;align-items:center;justify-content:center;color:#2c3e50}#root{width:100%;max-width:1200px;padding:20px}