:root{font-family:system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:light dark;color:#ffffffde;background-color:#242424;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{font-weight:500;color:#646cff;text-decoration:inherit}a:hover{color:#535bf2}body{margin:0;display:flex;place-items:center;min-width:320px;min-height:100vh}h1{font-size:3.2em;line-height:1.1}button{border-radius:8px;border:1px solid transparent;padding:.6em 1.2em;font-size:1em;font-weight:500;font-family:inherit;background-color:#1a1a1a;cursor:pointer;transition:border-color .25s}button:hover{border-color:#646cff}button:focus,button:focus-visible{outline:4px auto -webkit-focus-ring-color}@media (prefers-color-scheme: light){:root{color:#213547;background-color:#fff}a:hover{color:#747bff}button{background-color:#f9f9f9}}.pomodoro-container{max-width:400px;margin:40px auto;background:#ffffff0d;border-radius:24px;box-shadow:0 4px 32px #0002;padding:2.5rem 2rem 2rem;text-align:center;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px)}.pomodoro-container h1{font-size:2.5rem;margin-bottom:.5rem;letter-spacing:2px}.cycle-info{font-size:1.1rem;color:#888;margin-bottom:.5rem}.mode-label{font-size:1.3rem;font-weight:700;margin-bottom:1.2rem}.timer{font-size:4rem;font-family:Consolas,Menlo,monospace;margin-bottom:1.2rem;letter-spacing:2px}.progress-bar-bg{width:100%;height:14px;background:#3335;border-radius:8px;margin-bottom:1.5rem;overflow:hidden}.progress-bar{height:100%;border-radius:8px;transition:width .5s cubic-bezier(.4,2,.6,1)}.controls{display:flex;justify-content:center;gap:1.2rem;margin-bottom:1.2rem;flex-wrap:wrap}.controls button{min-width:80px;font-size:1.1rem;padding:.6em 1.2em;border-radius:8px;border:none;background:#222;color:#fff;box-shadow:0 2px 8px #0002;cursor:pointer;transition:all .2s}.controls button:hover{background:#444;transform:translateY(-1px)}.controls button.test-sound{background:tomato;min-width:auto}.controls button.test-sound:hover{background:#ff4520}.controls button.stop-sound{background:#dc3545;min-width:auto;animation:pulse 1.5s ease-in-out infinite}.controls button.stop-sound:hover{background:#c82333}@keyframes pulse{0%{transform:scale(1)}50%{transform:scale(1.05)}to{transform:scale(1)}}.tips{color:#aaa;font-size:.95rem;margin-top:1.2rem;line-height:1.6}