.login-form{max-width:400px;margin:200px auto;padding:30px;background-color:#fff;border-radius:15px;box-shadow:0 12px 12px #0000001a}.login-form label{display:block;font-weight:700;font-size:20px;margin-bottom:8px}.login-form input[type=text],.login-form input[type=password]{width:95%;padding:10px;margin-bottom:20px;font-size:larger;border:2px solid #ccc;border-radius:6px}.login-form input:focus{border-color:#007bff;outline:none}.login button,.signup button{width:100%;padding:10px;font-size:20px;font-weight:700;color:#fff;background-color:#007bff;border:none;border-radius:6px;cursor:pointer;margin-bottom:10px}.login button:disabled{background-color:#6c757d;cursor:not-allowed}.signup button{background-color:#28a745}.login-error p{margin:10px 0;color:red;font-size:20px;text-align:center}.todo-card{width:400px;border:1px solid #ddd;border-radius:12px;padding:16px;margin:12px auto;background-color:#fefefe;box-shadow:0 2px 8px #0000000d;transition:all .3s ease}.todo-card:hover{box-shadow:0 4px 12px #0000001a}.list-item{display:flex;flex-direction:column;gap:8px}.todo-text h4{margin:0;font-size:1.1rem;color:#333}.todo-text p{margin:8px 0;font-size:large;color:#555}.checkbox-label{font-size:20px;color:#444;display:flex;align-items:center;gap:6px}.todo-buttons{display:flex;gap:10px;margin-top:10px}.edit-form{display:flex;flex-direction:column;gap:10px}.edit-input{padding:8px;font-size:1rem;border:1px solid #ccc;border-radius:8px}.button-group{display:flex;gap:10px}.btn{padding:8px 14px;font-size:.9rem;border:none;border-radius:8px;cursor:pointer;transition:background-color .2s ease}.btn.edit{background-color:#007bff;color:#fff}.btn.delete{background-color:#dc3545;color:#fff}.btn.save{background-color:#28a745;color:#fff}.btn.cancel{background-color:#6c757d;color:#fff}.btn:hover{opacity:.9}.user-container{max-width:600px;margin:2rem auto;padding:2rem;background-color:#fdfdfd;box-shadow:0 0 15px #00000014;border-radius:10px;font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif}.user-container label{font-weight:500;margin-bottom:20px}.user-container input[type=text]{padding:.6rem;border:1px solid #ccc;border-radius:6px;font-size:1rem;width:100%;margin-bottom:10px;margin-top:10px}.user-container button[type=submit]{padding:.6rem 1.2rem;width:80px;background-color:#007bff;color:#fff;border:none;border-radius:6px;cursor:pointer;font-weight:500;transition:background-color .2s ease-in-out}.logout-button{text-align:center;margin-top:10px}.logout-button button{text-align:center;padding:10px 20px;color:#fff;background-color:red;border:none;border-radius:6px}body{background-color:#f5f7fa;margin:0;padding:0}.signup-form{max-width:400px;background-color:#fff;border:2px;border-radius:12px;margin:200px auto;padding:40px;box-shadow:0 12px 12px #0000001a}.signup-form label{display:block;font-weight:700;font-size:20px;margin-bottom:8px}.signup-form input{width:95%;padding:10px;margin-bottom:20px;font-size:larger;border:2px solid #ccc;border-radius:6px}.signup-form input:focus{border-color:#007bff;outline:none}.signup-button button{width:100%;padding:10px;font-size:20px;font-weight:700;color:#fff;background-color:#007bff;border:none;border-radius:6px;cursor:pointer;margin-bottom:10px}.signup-button button:disabled{background-color:#6c757d;cursor:not-allowed}.signup-error p{margin:10px 0;color:red;font-size:20px;text-align:center}.tologin{margin-top:20px;text-align:center;font-size:20px;color:#333}.tologin a{color:#007bff;text-decoration:none;font-weight:700}.tologin a:hover{text-decoration:underline}