: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}}body{background:linear-gradient(to right,#f8edee)}.board{display:flex;gap:20px;padding:20px}.column{flex:1;background:#f4f4f4;border-radius:10px;padding:10px;min-height:300px;box-shadow:0 0 7px #0003}.column h2{text-align:center;color:#003f9f}.column-red{background-color:#ffa5a5}.column-yellow{background-color:#d488f0}.column-green{background-color:#63d963}.card{background:#fff;margin:10px 0;padding:10px;border-radius:6px;box-shadow:0 1px 3px #0000001a;cursor:grab;transition:transform .2s ease}.card:hover{transform:scale(1.03)}.card-content{display:flex;align-items:center;justify-content:space-between}.share-btn{background:none;border:none;cursor:pointer;font-size:1.2rem;margin-left:10px;transition:transform .2s ease}.share-btn:hover{transform:scale(1.2)}.trash-drop-zone{margin:2px auto;padding:16px 24px;border:2px dashed #ff4d4d;border-radius:10px;color:#ff4d4d;font-size:1.2rem;width:fit-content;text-align:center;transition:background-color .3s ease}.trash-drop-zone:hover{background-color:#ffe5e5;cursor:pointer}.model-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background:#00000080;display:flex;align-items:center;justify-content:center;z-index:100}.model{background:#fff;padding:24px 32px;border-radius:12px;box-shadow:0 10px 25px #0000004d;max-width:400px;text-align:center}.model-buttons{margin-top:20px;display:flex;justify-content:center;gap:16px}.delete-btn{background-color:#ff4d4d;color:#fff;border:none;padding:10px 16px;border-radius:6px;cursor:pointer}.cancel-btn{background-color:#6056f3;color:#fff;border:none;padding:10px 16px;border-radius:6px;cursor:pointer}.task-form{display:flex;justify-content:center;align-items:center;margin:20px auto;gap:10px;width:100%}.task-input{padding:10px;border-radius:20px;border:1px solid #ccc;width:500px;font-size:16px;background-color:#a0e7ff}.add-btn{padding:10px 20px;border-radius:20px;background-color:#4caf50;color:#fff;border:none;cursor:pointer;font-weight:700;transition:background-color .3s}.add-btn:hover{background-color:#45a049}.card input.edit-input{width:100%;font-size:1rem;padding:6px;border:1px solid #ccc;border-radius:24px;margin-top:10px}.share-toast{position:fixed;bottom:30px;right:30px;background:#4caf50;color:#fff;padding:12px 24px;border-radius:8px;box-shadow:0 2px 10px #0003;font-weight:700;z-index:999;animation:fadeInOut 3s ease forwards}@keyframes fadeInOut{0%{opacity:0;transform:translateY(20px)}10%{opacity:1;transform:translateY(0)}90%{opacity:1;transform:translateY(0)}to{opacity:0;transform:translateY(20px)}}.login-container{text-align:center;margin-top:100px}.login-form{display:inline-block}.login-input{padding:10px;border-radius:6px;border:1px solid #ccc;width:250px;font-size:16px}.login-input:focus{outline:none;border-color:#4caf50}.login-button{margin-top:10px;padding:10px 20px;border-radius:20px;background-color:#4caf50;color:#fff;border:none;cursor:pointer;font-weight:700;transition:background-color .3s}.login-button:hover{background-color:#45a049}.login-error{color:red;margin-top:20px}.login-switch{margin-top:20px}.signup-container{text-align:center;margin-top:100px}.signup-form{display:inline-block}.signup-input{padding:10px;border-radius:6px;border:1px solid #ccc;width:250px;font-size:16px}.signup-input:focus{outline:none;border-color:#4caf50}.signup-button{margin-top:10px;padding:10px 20px;border-radius:20px;background-color:#007bff;color:#fff;border:none;cursor:pointer;font-weight:700;transition:background-color .3s}.signup-button:hover{background-color:#0056b3}.signup-switch{margin-top:20px}.signup-error{color:red;margin-top:20px}